MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 D D D D D D D D D D Low Supply Voltage Range, 2.7 V – 5.5 V Low Operation Current, 3 mA at 1 MHz, 3V Ultralow Power Consumption (Standby Mode Down to 0.1 mA) Five Power-Saving Modes Wakeup From Standby Mode in 6 ms 16-Bit RISC Architecture, 300 ns Instruction Cycle Time Single Common 32 kHz Crystal, Internal System Clock up to 3.3 MHz Integrated LCD Driver for up to 84 Segments D D D D Integrated 12+2 Bit A/D Converter Family Members Include: – MSP430P325, 16KB OTP, 512 Byte RAM EPROM Version Available for Prototyping: PMS430E325 Serial Onboard Programming Programmable Code Protection by Security Fuse Avaliable in 64 Pin Quad Flatpack (QFP), 68 Pin Plastic J-Leaded Chip Carrier (PLCC), 68 Pin J-Leaded Ceramic Chip Carrier (JLCC) Package (EPROM Version) description The Texas Instruments MSP430 is an ultralow-power mixed-signal microcontroller family consisting of several devices which feature different sets of modules targeted to various applications. The microcontroller is designed to be battery operated for an extended application lifetime. With 16-bit RISC architecture, 16-bit integrated registers on the CPU, and a constant generator, the MSP430 achieves maximum code efficiency. The digitallycontrolled oscillator, together with the frequency-locked-loop (FLL), provides a wakeup from a low-power mode to active mode in less than 6 ms. DVSS AVSS A1 A0 XBUF RST/NMI TCK TMS TDI/VPP TDO/TDI COM3 COM2 COM1 PG Package (TOP VIEW) 64 63 6261 60 59 58 57 56 55 54 5352 AVCC DVCC SVCC Rext A2 A3 A4 A5 Xin Xout/TCLK CIN TP0.0 TP0.1 TP0.2 TP0.3 TP0.4 TP0.5 P0.0 P0.1/RXD 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 COM0 S20/O20/CMPI S19/O19 S18/O18 S17/O17 S16/O16 S15/O15 S14/O14 S13/O13 S12/O12 S11/O11 S10/O10 S9/O9 S8/O8 S7/O7 S6/O6 S5/O5 S4/O4 S3/O3 P0.2/TXD P0.3 P0.4 P0.5 P0.6 P0.7 R33 R23 R13 R03 S0 S1 S2/O2 20 2122 23 2425 26 272829 30 31 32 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2000, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 description (continued) Typical applications include sensor systems that capture analog signals, convert them to digital values, and then process the data and display them or transmit them to a host system. The MSP430x32x offers an integrated 12+2 bit A/D converter with six multiplexed inputs. AVAILABLE OPTIONS PACKAGED DEVICES TA PLASTIC 64-PIN QFP (PG) PLASTIC 64-PIN QFP (PM) PLASTIC 68-PIN PLCC (FN) CERAMIC 68-PIN JLCC (FZ) – 40°C to 85°C MSP430P325IPG MSP430P325IPM MSP430P325IFN — 25°C — — — PMS430E325FZ functional block diagram XIN Xout/TCLK Oscillator FLL System Clock RST/NMI XBUF ACLK MCLK 8/16 kB ROM 16 kB OTP 256/512 B Power-on- RAM Reset 8 b Timer/ Counter P0.7 I/O Port TXD Serial Protocol ’C’: ROM ’P’: OTP TDI/VPP P0.0 Support 8 I/O’s, All With Interr. Cap. 3 Int. Vectors RXD TDO/TDI MAB, 16 Bit CPU Test Incl. 16 Reg. JTAG MAB, 4 Bit MCB MDB, 16 Bit MDB, 8 Bit Bus Conv TMS TCK ADC 12 + 2 Bit 6 Channels Current S. Watchdog Timer Applications: Timer/Port 15/16 Bit A/D Conv. Timer, O/P Basic Timer1 f LCD LCD 84 Segments 1, 2, 3, 4 MUX CMPI 6 6 A0–5 SVCC Rext 2 POST OFFICE BOX 655303 TP0.0–5 CIN • DALLAS, TEXAS 75265 R33 R23 R13 R03 Com0–3 S0–19/O2–19 S20/O20CMPI MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 Terminal Functions TERMINAL NAME NO. I/O AVCC AVSS 63 A0 61 I Analog-to-digital converter input port 0 or digital input port 0 A1 62 I Analog-to-digital converter input port 1 or digital input port 1 A2–A5 5–8 I Analog-to-digital converter inputs ports 2–5 or digital inputs ports 2–5 11 I Input used as enable of counter TPCNT1 – Timer/Port 51–54 O Common outputs, used for LCD backplanes – LCD CIN COM0–3 1 DESCRIPTION Positive analog supply voltage Analog ground reference DVCC 2 Positive digital supply voltage DVSS 64 P0.0 18 I/O General-purpose digital I/O P0.1/RXD 19 I/O General-purpose digital I/O, receive digital input port, 8-Bit Timer/Counter P0.2/TXD 20 I/O General-purpose digital I/O, transmit data output port, 8-Bit Timer/Counter P0.3–P0.7 21–25 I/O Five general-purpose digital I/Os, bit 3 to bit 7 Rext 4 I Programming resistor input of internal current source RST/NMI 59 I Reset input or non-maskable interrupt input R03 29 I Input of fourth positive analog LCD level (V4) – LCD R13 28 I Input of third positive analog LCD level (V3) – LCD R23 27 I Input of second positive analog LCD level (V2) – LCD R33 26 O Output of first positive analog LCD level (V1) – LCD SVCC S0 3 30 O Segment line S0 – LCD S1 31 O Segment line S1 – LCD S2–S5/O2–O5 32–35 O Segment lines S2 to S5 or digital output ports O2–O5, group 1 – LCD S20/O20/CMPI 50 I/O Segment line S20 can be used as comparator input port CMPI – Timer/Port S6–S9/O6–O9 36–39 O Segment lines S6 to S9 or digital output ports O6–O9, group 2 – LCD S10–S13/O10–O13 40–43 O Segment lines S10 to S13 or digital output ports O10–O13, group 3 – LCD S14–S17/O14–O17 44–47 O Segment lines S14 to S17 or digital output ports O14 to O17, group 4 – LCD S18-S19/O18-O19 48, 49 O Segment lines S18 and S19 or digital output port O18 and O19, group 5 – LCD TCK 58 I Test clock, clock input terminal for device programming and test TDO/TDI 55 I/O TDI/VPP 56 I Test data input, data input terminal or input of programming voltage TMS 57 I Test mode select, input terminal for device programming and test TP0.0 12 O General-purpose 3-state digital output port, bit 0 – Timer/Port TP0.1 13 O General-purpose 3-state digital output port, bit 1 – Timer/Port TP0.2 14 O General-purpose 3-state digital output port, bit 2 – Timer/Port TP0.3 15 O General-purpose 3-state digital output port, bit 3 – Timer/Port TP0.4 16 O General-purpose 3-state digital output port, bit 4 – Timer/Port TP0.5 17 I/O General-purpose digital input/output port, bit 5 – Timer/Port XBUF 60 O Clock signal output of system clock MCLK or crystal clock ACLK Xin 9 I Input terminal of crystal oscillator Xout/TCLK 10 I/O Digital ground reference Switched AVCC to analog-to-digital converter Test data output, data output terminal or data input during programming Output terminal of crystal oscillator or test clock input POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 short-form description processing unit The processing unit is based on a consistent and orthogonally-designed CPU and instruction set. This design structure results in a RISC-like architecture, highly transparent to the application development, and it is distinguished by ease of programming. All operations other than program-flow instructions are consequently performed as register operations in conjunction with seven addressing modes for source and four modes for destination operand. Program Counter PC/R0 Stack Pointer SP/R1 CPU Sixteen registers are located inside the CPU, providing reduced instruction execution time. This reduces a register-register operation execution time to one cycle of the processor frequency. Status Register Constant Generator Four of the registers are reserved for special use as a program counter, a stack pointer, a status register, and a constant generator. The remaining registers are available as general-purpose registers. Peripherals are connected to the CPU using a data address and control bus and can be handled easily with all instructions for memory manipulation. SR/CG1/R2 CG2/R3 General-Purpose Register R4 General-Purpose Register R5 General-Purpose Register R14 General-Purpose Register R15 instruction set The instruction set for this register-register architecture provides a powerful and easy-to-use assembler language. The instruction set consists of 51 instructions with three formats and seven addressing modes. Table 1 provides a summation and example of the three types of instruction formats; the addressing modes are listed in Table 2. Table 1. Instruction Word Formats Dual operands, source-destination e.g. ADD R4, R5 R4 + R5 → R5 Single operands, destination only e.g. CALL R8 PC → (TOS), R8 → PC Relative jump, un-/conditional e.g. JNE Jump-on equal bit = 0 Each instruction that operates on word and byte data is identified by the suffix B. Examples: 4 Instructions for word operation Instructions for byte operation MOV EDE, TONI MOV.B EDE, TONI ADD #235h, &MEM ADD.B #35h, &MEM PUSH R5 PUSH.B R5 SWPB R5 — POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 Table 2. Address Mode Descriptions ADDRESS MODE s d Register √ √ MOV Rs, Rd MOV R10, R11 R10 → R11 Indexed √ √ MOV X(Rn), Y(Rm) MOV 2(R5), 5(R6) M(2 + R5) → M(6 + R6) Symbolic (PC relative) √ √ MOV EDE, TONI Absolute √ √ MOV &MEM, &TCDAT Indirect √ MOV @Rn, Y(Rm) MOV @R10, Tab(R6) M(R10) → M(Tab + R6) Indirect autoincrement √ MOV @Rn+, RM MOV @R10+, R11 M(R10) → R11, R10 + 2 → R10 Immediate √ MOV #X, TONI MOV #45, TONI #45 → M(TONI) NOTE: s = source SYNTAX EXAMPLE OPERATION M(EDE) → M(TONI) M(MEM) → M(TCDAT) d = destination Computed branches (BR) and subroutine calls (CALL) instructions use the same addressing modes as the other instructions. These addressing modes provide indirect addressing, ideally suited for computed branches and calls. The full use of this programming capability permits a program structure different from conventional 8- and 16-bit controllers. For example, numerous routines can easily be designed to deal with pointers and stacks instead of using flag type programs for flow control. operation modes and interrupts The MSP430 operating modes support various advanced requirements for ultralow power and ultralow energy consumption. This is achieved by the intelligent management of the operations during the different module operation modes and CPU states. The requirements are fully supported during interrupt event handling. An interrupt event awakens the system from each of the various operating modes and returns with the RETI instruction to the mode that was selected before the interrupt event. The clocks used are ACLK and MCLK. ACLK is the crystal frequency and MCLK is a multiple of ACLK and is used as the system clock. The software can configure five operating modes: D D D D D D Active mode (AM). The CPU is enabled with different combinations of active peripheral modules. Low power mode 0 (LPM0). The CPU is disabled, peripheral operation continues, ACLK and MCLK signals are active, and loop control for MCLK is active. Low power mode 1 (LPM1). The CPU is disabled, peripheral operation continues, ACLK and MCLK signals are active, and loop control for MCLK is inactive. Low power mode 2 (LPM2). The CPU is disabled, peripheral operation continues, ACLK signal is active, and MCLK and loop control for MCLK are inactive. Low power mode 3 (LPM3). The CPU is disabled, peripheral operation continues, ACLK signal is active, MCLK and loop control for MCLK are inactive, and the dc generator for the digital controlled oscillator (DCO) ( MCLK generator) is switched off. ³ Low power mode 4 (LPM4). The CPU is disabled, peripheral operation continues, ACLK signal is inactive (crystal oscillator stopped), MCLK and loop control for MCLK are inactive, and the dc generator for the DCO is switched off. The special function registers (SFR) include module-enable bits that stop or enable the operation of the specific peripheral module. All registers of the peripherals may be accessed if the operational function is stopped or enabled. However, some peripheral current-saving functions are accessed through the state of local register bits. An example is the enable/disable of the analog voltage generator in the LCD peripheral, which is turned on or off using one register bit. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 operation modes and interrupts (continued) The most general bits that influence current consumption and support fast turnon from low-power operating modes are located in the status register (SR). Four of these bits control the CPU and the system clock generator: SCG1, SCG0, OscOff, and CPUOff. 15 9 Reserved For Future Enhancements 8 V 7 0 SCG1 SCG0 OscOff CPUOff GIE N Z C rw-0 interrupt vector addresses The interrupt vectors and the power-up starting address are located in the ROM with an address range of 0FFFFh-0FFE0h. The vector contains the 16-bit address of the appropriate interrupt handler instruction sequence. INTERRUPT SOURCE SYSTEM INTERRUPT WORD ADDRESS PRIORITY WDTIFG (see Note1) Reset 0FFFEh 15, highest NMI, oscillator fault NMIIFG (see Notes 1 and 3) OFIFG (see Notes 1 and 4) Non-maskable, (Non)-maskable 0FFFCh 14 Dedicated I/O P0.0 P0.0IFG Maskable 0FFFAh 13 Dedicated I/O P0.1 or 8-Bit Timer/Counter RXD P0.1IFG Maskable 0FFF8h 12 Watchdog Timer WDTIFG Maskable Power-up, external reset, watchdog ADC Timer/Port Basic Timer1 I/O port 0, P0.2–7 NOTES: 1. 2. 3. 4. 6 INTERRUPT FLAG 0FFF6h 11 0FFF4h 10 0FFF2h 9 0FFF0h 8 0FFEEh 7 0FFECh 6 ADCIFG Maskable 0FFEAh 5 RC1FG, RC2FG, EN1FG (see Note 2) Maskable 0FFE8h 4 0FFE6h 3 0FFE4h 2 BTIFG Maskable 0FFE2h 1 P0.27IFG (see Note 1) Maskable 0FFE0h 0, lowest Multiple source flags Timer/Port interrupt flags are located in the T/P registers Non-maskable: neither the individual nor the general interrupt enable bit will disable an interrupt event. (Non)-maskable: the individual interrupt enable bit can disable on interrupt event, but the general interrupt enable bit cannot. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 operation modes and interrupts (continued) special function registers Most interrupt and module enable bits are collected into the lowest address space. Special function register bits that are not allocated to a functional purpose are not physically present in the device. Simple SW access is provided with this arrangement. interrupt enable 1 and 2 7 Address 6 5 4 0h 3 2 1 P0IE.1 P0IE.0 OFIE rw-0 WDTIE: OFIE: P0IE.0: P0IE.1: rw-0 rw-0 0 WDTIE rw-0 Watchdog Timer enable signal Oscillator fault enable signal Dedicated I/O P0.0 P0.1 or 8-Bit Timer/Counter, RXD 7 Address 01h 6 5 4 BTIE rw-0 3 2 TPIE ADIE rw-0 ADIE: TPIE: BTIE: 1 0 rw-0 A/D converter enable signal Timer/Port enable signal Basic Timer1 enable signal interrupt flag register 1 and 2 7 Address 6 5 02h 4 3 2 1 NMIIFG P0IFG.1 P0IFG.0 OFIFG rw-0 WDTIFG: rw-0 rw-0 rw-0 Set on overflow or security key violation or Reset on VCC power on or reset condition at RST/NMI-pin Flag set on oscillator fault Dedicated I/O P0.0 P0.1 or 8-Bit Timer/Counter, RXD Signal at RST/NMI-pin OFIFG: P0.0IFG: P0.1IFG: NMIIFG: 7 Address 03h 6 5 4 3 BTIFG 2 1 0 ADIFG rw BTIFG ADFIG rw-1 0 WDTIFG rw-0 Basic Timer1 flag Analog-to-digital converter flag POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 operation modes and interrupts (continued) module enable register 1 and 2 Address 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 04h Address 05h Legend rw: rw-0: Bit can be read and written. Bit can be read and written. It is reset by PUC. SFR bit not present in device. memory organization MSP430P325 PMS430E325 FFFFh FFE0h FFDFh Int. Vector 16 kB OTP or EPROM C000h 03FFh 0200h 512B RAM 01FFh 0100h 00FFh 0010h 000Fh 0000h 8 POST OFFICE BOX 655303 16b Per. 8b Per. SFR • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 peripherals Peripherals connect to the CPU through data, address, and control busses and can be handled easily with all instructions for memory manipulation. peripheral file map PERIPHERALS WITH WORD ACCESS Watchdog Watchdog Timer control WDTCTL 0120h ADC Data register Reserved Control register Input enable register Input register ADAT ACTL AEN AIN 0118h 0116h 0114h o112h 0110h PERIPHERALS WITH BYTE ACCESS EPROM EPROM control EPCTL 054h Crystal buffer Crystal buffer control CBCTL 053h System clock SCG frequency control SCG frequency integrator SCG frequency integrator SCFQCTL SCFI1 SCFI0 052h 051h 050h Timer/Port Timer/Port enable Timer/Port data Timer/Port counter2 Timer/Port counter1 Timer/Port control TPE TPD TPCNT2 TPCNT1 TPCTL 04Fh 04Eh 04Dh 04Ch 04Bh 8-Bit Timer/Counter 8-Bit Timer/Counter data 8-Bit Timer/Counter preload 8-Bit Timer/Counter control TCDAT TCPLD TCCTL 044h 043h 042h Basic Timer1 Basic Timer counter2 Basic Timer counter1 Basic Timer control BTCNT2 BTCNT1 BTCTL 047h 046h 040h LCD LCD memory 15 : LCD memory 1 LCD control & mode LCDM15 : LCDM1 LCDCTL 03Fh : 031h 030h Port P0 Port P0 interrupt enable Port P0 interrupt edge select Port P0 interrupt flag Port P0 direction Port P0 output Port P0 input P0IE P0IES P0IFG P0DIR P0OUT P0IN 015h 014h 013h 012h 011h 010h Special function SFR interrupt flag2 SFR interrupt flag1 SFR interrupt enable2 SFR interrupt enable1 IFG2 IFG1 IE2 IE1 003h 002h 001h 000h oscillator and system clock Two clocks are used in the system, the system (master) clock (MCLK) and the auxiliary clock (ACLK). The MCLK is a multiple of the ACLK. The ACLK runs with the crystal oscillator frequency. The special design of the oscillator supports the feature of low current consumption and the use of a 32 768 Hz crystal. The crystal is connected across two terminals without any other external components being required. The oscillator starts after applying VCC, due to a reset of the control bit (OscOff) in the status register (SR). It can be stopped by setting the OscOff bit to a 1. The enabled clock signals ACLK, ACLK/2, ACLK/4, or MCLK are accessible for use by external devices at output terminal XBUF. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 9 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 oscillator and system clock (continued) The controller system clock has to operate with different requirements according to the application and system conditions. Requirements include: D D D D High frequency in order to react quickly to system hardware requests or events Low frequency in order to minimize current consumption, EMI, etc. Stable frequency for timer applications e.g. real-time clock (RTC) Enable start-stop operation with a minimum of delay These requirements cannot all be met with fast frequency high-Q crystals or with RC-type low-Q oscillators. The compromise selected for the MSP430 uses a low-crystal frequency, which is multiplied to achieve the desired nominal operating range: f(system) = (N+1) × f(crystal) The crystal frequency multiplication is achieved with a frequency locked loop (FLL) technique. The factor N is set to 31 after a power-up clear condition. The FLL technique, in combination with a digital controlled oscillator (DCO) provides immediate start-up capability together with long term crystal stability. The frequency variation of the DCO with the FLL inactive is typically 330 ppm, which means that with a cycle time of 1 µs the maximum possible variation is 0.33 ns. For more precise timing, the FLL can be used forcing longer cycle times, if the previous cycle time was shorter than the selected one. This switching of cycle times makes it possible to meet the chosen system frequency over a long period of time. The start-up operation of the system clock depends on the previous machine state. During a power-up clear (PUC), the DCO is reset to its lowest possible frequency. The control logic starts operation immediately after recognition of PUC. Connect operation of the FLL control logic requires the presence of a stable crystal oscillator. digital I/O One 8-Bit I/O port (Port0) is implemented. Six control registers give maximum flexibility of digital input/output to the application: D D D D All individual I/O bits are programmable independently. Any combination of input, output, and interrupt conditions is possible. Interrupt processing of external events is fully implemented for all eight bits of port P0. Provides read/write access to all registers with all instructions The six registers are: D D D D D D Input register Contains information at the pins Output register Contains output information Direction register Controls direction Interrupt flags Indicates if interrupt(s) are pending Interrupt edge select Contains input signal change necessary for interrupt Interrupt enable Contains interrupt enable pins All six registers contain eight bits except for the interrupt flag register and the interrupt enable register. The two LSBs of the interrupt flag and interrupt enable registers are located in the special functions register (SFR). Three interrupt vectors are implemented, one for Port0.0, one for Port0.1, and one commonly used for any interrupt event on Port0.2 to Port0.7. The Port0.1 and Port0.2 pin function is shared with the 8-Bit Timer/Counter. 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 LCD drive Liquid crystal displays (LCDs) for static, 2-, 3- and 4-MUX operations can be driven directly. The controller LCD logic operation is defined by software using memory-bit manipulation. LCD memory is part of the LCD module, not part of data memory. Eight mode and control bits define the operation and current consumption of the LCD drive. The information for the individual digits can be easily obtained using table programming techniques combined with the correct addressing mode. The segment information is stored in LCD memory using instructions for memory manipulation. The drive capability is mainly defined by the external resistor divider that supports the analog levels for 2-, 3and 4-MUX operation. Groups of the LCD segment lines can be selected for digital output signals. The MSP430x32x configuration has four common signal lines and 21 segment lines. A/D converter The analog-to-digital converter (ADC) is a cascaded converter type that converts analog signals from VCC to GND. It is a 12+2 bit converter with a software or automatically-controlled range select. Five inputs can be selected for analog or digital function. A ratiometric current source can be used on four of the analog pins. The current is adjusted by an external resistor and is enabled/disabled by bits located in the control registers. The conversion is started by setting the start-of-conversion bit (SOC) in the control register and the end-of-conversions sets the interrupt flag. The analog input signal is sampled starting with SOC during the next twelve MCLK clock pulses. The power-down bit in the control register controls the operating mode of the ADC peripheral. The current consumption and operation is stopped when it is set. The system reset PUC sets the power-down bit. Basic Timer1 The Basic Timer1 (BT1) divides the frequency of MCLK or ACLK, as selected with the SSEL bit, to provide low frequency control signals. This is done within the system by one central divider, the Basic Timer1, to support low current applications. The BTCTL control register contains the flags which control or select the different operational functions. When the supply voltage is applied or when a reset of the device (RST/NMI pin), a watchdog overflow or a watchdog security key violation occurs, and all bits in the register hold undefined or unchanged status. The user software usually configures the operational conditions on the BT1 during initialization. The Basic Timer1 has two 8-Bit timers which can be cascaded to a 16-bit timer. Both timers can be read and written by software. Two bits in the SFR address range handle the system control interaction according to the function implemented in the Basic Timer1. These two bits are the Basic Timer1 interrupt flag (BTIFG) and the Basic Timer1 interrupt enable (BTIE) bit. Watchdog Timer The primary function of the Watchdog Timer (WDT) module is to perform a controlled system restart after a software upset has occurred. If the selected time interval expires, a system reset is generated. If this watchdog function is not needed in an application, the module can work as an interval timer, which generates an interrupt after the selected time interval. The Watchdog Timer counter (WDTCNT) is a 15/16-bit up-counter which is not directly accessible by software. The WDTCNT is controlled using the Watchdog Timer control register (WDTCTL), which is an 8-Bit read/write register. Writing to WDTCTL, in both operating modes (watchdog or timer) is only possible by using the correct password in the high-byte. The low-byte stores data written to the WDTCTL. The high-byte password is 05Ah. If any value other than 05Ah is written to the high-byte of the WDTCTL, a system reset PUC is generated. When the password is read its value is 069h. This minimizes accidental write operations to the WDTCTL register. In addition to the Watchdog Timer control bits, two bits included in the WDTCTL configure the NMI pin. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 11 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 8-Bit Timer/Counter The 8-Bit interval timer supports three major functions for the application: D D D Serial communication or data exchange Pulse counting or pulse accumulation Timer The 8-Bit Timer/Counter peripheral includes the following major blocks: an 8-Bit up-counter with preload register, an 8-Bit control register, an input clock selector, an edge detection (e.g. Start bit detection for asynchronous protocols), and an input and output data latch, triggered by the carry-out-signal from the 8-Bit counter. The 8-Bit counter counts up with an input clock which is selected by two control bits from the control register. The four possible clock sources are MCLK, ACLK, the external signal from terminal P0.1, and the signal from the logical AND of MCLK and terminal P0.1. Two counter inputs (load, enable) control the counter operation. The load input controls load operations. A write-access to the counter results in loading the content of the preload register into the counter. The software writes or reads the preload register with all instructions. The preload register acts as a buffer and can be written immediately after the load of the counter is completed. The enable input enables the count operation. When the enable signal is set to high, the counter will count-up each time a positive clock edge is applied to the clock input of the counter. Serial protocols, like UART protocol, need start-bit edge-detection to determine, at the receiver, the start of a data transmission. When this function is activated, the counter starts counting after the start-bit condition is detected. The first signal level is sampled into the RXD input data-latch after completing the first timing interval, which is programmed into the counter. Two latches are used for input and output data (RXD_FF and TXD_FF) are clocked by the counter after the programmed timing interval has elapsed. UART The serial communication uses software and the 8-Bit Timer/Counter hardware. The hardware supports the output of the serial data stream, bit-by-bit, with the timing determined by the counter. The software/hardware interface connects the mixed signal controller to external devices, systems, or networks. Timer/Port The Timer/Port module has two 8-Bit counters, an input that triggers one counter, and six 3-state digital outputs. Both counters have an independent clock-selector for selecting an external signal or one of the internal clocks (ACLK or MCLK). One of the counters has an extended control capability to halt, count continuously, or gate the counter by selecting one of two external signals. This gate signal sets the interrupt flag, if an external signal is selected, and the gate stops the counter. Both timers can be read from and written to by software. The two 8-Bit counters can be cascaded to a 16-bit counter. A common interrupt vector is implemented. The interrupt flag can be set from three events in the 8-Bit counter mode (gate signal, overflow from the counters) or from two events in the 16-bit counter mode (gate signal, overflow from the MSB of the cascaded counter). 12 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 absolute maximum ratings† Voltage applied at VCC to VSS (see Note 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 6 V Voltage applied to any pin (referenced to VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to VCC + 0.3 V Diode current at any device terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 2 mA Storage temperature, Tstg (unprogrammed device) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to 150°C Tstg (programmed device) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to 85°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 5: All voltage values relative to VSS. recommended operating conditions MIN Supply voltage, VCC (MSP430P/E325) NOM 2.7 Supply voltage, during programming OTP/EPROM (AVCC = DVCC = VCC) MSP430P325, PMS430E325 2.7 MSP430P325 –40 5 Supply voltage, VSS MAX V 5.5 V 0 Operating free-air free air temperature range, range TA V 85 PMS430E325 25 XTAL frequency, f(XTAL) 32 768 VCC = 3 V VCC = 5 V MCLK) f((system) Processor frequency (signal MCLK), t ) Low-level input voltage, VIL (excluding Xin, Xout) High-level input voltage, VIH (excluding Xin, Xout) VCC = 3 V/5 V Low-level input voltage, VIL(Xin, Xout) f(system) – Maximum Processor Frequency – MHz High-level input voltage, VIH(Xin, Xout) UNIT 5.5 °C Hz DC 2.2 DC 3.3 VSS 0.7 VCC VSS+0.8 VCC V VSS 0.8×VCC 0.2×VCC VCC V MHz f(MHz) 3.3 2.2 1.5 Minimum 2.7 3 5 5.5 VCC (V) VCC – Supply Voltage – V NOTE: Minimum processor frequency is defined by system clock. Figure 1. Processor Frequency vs Supply Voltage POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 13 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) supply current into AVCC+DVCC excluding external current, fsystem = 1 MHz PARAMETER I(AM) Active mode,, A/D conversion in power-down I(CPUOff) Low power mode, mode (LPM0, (LPM0 LPM1) I(LPM2) Low power mode, mode (LPM2) I(LPM3) TYP MAX P325 TA = –40°C to 85°C, TA = –40°C to 85°C, TEST CONDITIONS VCC = 3 V VCC = 5 V MIN 3000 5000 10000 12000 P325 TA = –40°C to 85°C, TA = –40°C to 85°C, VCC = 3 V VCC = 5 V 70 110 150 200 TA = –40°C to 85°C, TA = –40°C to 85°C, VCC = 3 V VCC = 5 V 6 12 15 25 TA = –40°C TA = 25°C 1.5 2.4 VCC = 3 V 1.3 2 1.6 2.8 5.2 7 4.2 6.5 TA = 85°C TA = –40°C Low power mode, mode (LPM3) TA = 25°C TA = 85°C VCC = 5 V TA = –40°C TA = 25°C 4 7 0.1 0.8 UNIT µA µA µA µA VCC = 3 V/5 V µA 0.1 0.8 TA = 85°C 0.4 1.3 NOTE: All inputs are tied to 0 V or VCC. Outputs do not source or sink any current. The current consumption in LPM2, LPM3 and LPM4 are measured with active Basic Timer1 (ACLK selected) and LCD module (f(LCD)=1024 Hz, 4 MUX). I((LPM4)) Low power mode, (LPM4) current consumption of active mode versus system frequency IAM = IAM[1 MHz] × fsystem [MHz] current consumption of active mode versus supply voltage IAM = IAM[3 V] + 200 µA/V × (VCC–3 V) Schmitt-trigger inputs Port 0, P0.x Timer/Port, CIN, TP 0.5 PARAMETER TEST CONDITIONS MIN TYP MAX Positive going input threshold voltage Positive-going VCC = 3 V VCC = 5 V 1.2 2.3 3.4 VIT IT– Negative going input threshold voltage Negative-going VCC = 3 V VCC = 5 V 0.5 1.35 1.4 2.3 Vh hys Hysteresis (VIT+ VIT IT –V IT–) VCC = 3 V VCC = 5 V 0.3 1 0.6 1.4 VIT IT+ 14 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT 2.1 V MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) outputs – Port 0: P0.x; Timer/Port: TP0.0...5; LCD: Sxx/Oxx; XBUF, (see Note 6) PARAMETER VOH VOL High level output current High-level Low-level out output ut voltage TEST CONDITIONS MIN IOH = –1.2 mA, IOH = –3.5 mA, VCC = 3 V, VCC = 3 V, See Note 6 IOH = –1.5 mA, IOH = –4.5 mA, VCC = 5 V, VCC = 5 V, See Note 6 IOL = 1.2 mA, IOL = 3.5 mA, VCC = 3 V, VCC = 3 V, See Note 6 IOL = 1.5 mA, IOL = 4.5 mA, VCC = 5 V, VCC = 5 V, See Note 6 See Note 7 See Note 7 TYP MAX VCC–0.4 VCC–1 VCC VCC VCC–0.4 VCC–1 VCC VCC VSS VSS VSS+0.4 VSS+1 VSS VSS VSS+0.4 VSS+1 See Note 7 See Note 7 UNIT V V NOTES: 6. The maximum total current, IOHmax and IOLmax, for all outputs combined, should not exceed ±9.6 mA to satisfy the maximum voltage drop specified. 7. The maximum total current, IOHmax and IOLmax, for all outputs combined, should not exceed ±20 mA to satisfy the maximum voltage drop specified. leakage current (see Note 8) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Ilkg(TP) Leakage current, Timer/Port Timer/Port: V(TP0.x,CIN) (see Note 9) ±50 nA Ilkg(P0x) Leakage current, port 0 Port 0: V(P0.x) (see Note 10) ±50 nA Ilkg(S20) Leakage current, S20 ±50 nA Ilkg(Ax) Leakage current, ADC ±30 nA V(S20) = VSS to VCC ADC: Ax, x= 0 to 5 (see Note 11) VCC = 3 V/5 V Ilkg(RST/NMI) Leakage current, RST/NMI ±50 nA NOTES: 8. The leakage current is measured with VSS or VCC applied to the corresponding pin(s), unless otherwise noted. 9. All Timer/Port pins TP0.0 to TP0.5 are Hi-Z. Pins CIN and TP.0 to TP0.5 are connected together during leakage current measurement. In the leakage measurement the input CIN is included. The input voltage is VSS or VCC. 10. The port pin must be selected for input and there must be no optional pullup or pulldown resistor. 11. The input voltage is V(IN) = VSS to VCC , the current source is off, AEN.x bit is normally reset to stop throughput current flowing from VCC to VSS terminal. input frequency – Port 0: P0.1; Timer/Port: CIN, TP0.5 PARAMETER f(IN) t(H) or t(L) TEST CONDITIONS Input frequency MIN TYP DC P0.x, CIN, TP.5 High level or low level time MAX UNIT f(system) MHz 3V 300 ns 5V 125 ns output frequency PARAMETER fXBUF tXdc TEST CONDITIONS XBUF, Duty cycle of O/P frequency XBUF, CL = 20 pF, XBUF pF VCC = 3 V/5 V POST OFFICE BOX 655303 MIN TYP CL = 20 pF fMCLK = 1.1 MHz fXBUF = fACLK fXBUF = fACLK/n • DALLAS, TEXAS 75265 40% 35% MAX UNIT f(system) 60% MHz 65% 50% 15 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) external interrupt timing PARAMETER TEST CONDITIONS Port P0: External trigger signal for the interrupt flag (see Notes 12 and 13) t(int) MIN TYP MAX 1.5 UNIT cycle NOTES: 12. The external signal sets the interrupt flag every time t(int) is met. It may be set even with trigger signals shorter than t(int). The conditions to set the flag must be met independently of this timing constraint. Input frequency (t(int)) is defined in MCLK cycles. 13. The external signal needs additionally a timing resulting from the maximum input frequency constraint. RAM PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VRAMh CPU halted (see Note 14) 1.8 V NOTE 14: This parameter defines the minimum supply voltage when the data in the program memory RAM remains unchanged. No program execution should take place during this supply voltage condition. DCO PARAMETER f(NOM) DCO TEST CONDITIONS NDCO = 1A0h, FN_4=FN_3=FN_2=0 MIN VCC = 3 V/5 V VCC = 3 V TYP MAX 1 MHz 0.15 0.6 VCC = 5 V VCC = 3 V 0.18 0.62 1.25 4.7 VCC = 5 V 1.45 5.5 NDCO = 00 0110 0000, 0000 FN FN_4=FN_3=0, 4=FN 3=0 FN_2=1 FN 2=1 VCC = 3 V VCC = 5 V 0.36 1.05 0.39 1.2 fDC26 0000 FN 4=FN 3=0 FN_2=1 FN 2=1 NDCO = 11 0100 0000, FN_4=FN_3=0, VCC = 3 V VCC = 5 V 2.5 8.1 3 9.9 fDCO3 NDCO = 00 0110 0000 0000, FN FN_4=0, 4=0 FN FN_3= 3= 1 1, FN FN_2=X 2=X VCC = 3 V VCC = 5 V 0.5 1.5 0.6 1.8 fDCO26 NDCO = 11 0100 0000 0000, FN FN_4= 4= 0 0, FN FN_3=1, 3=1 FN FN_2=X 2=X VCC = 3 V VCC = 5 V 3.7 11 4.5 13.8 fDCO3 4 =1, =1 FN_3=FN_2=X FN 3=FN 2=X NDCO = 00 0110 0000 FN FN_4 VCC = 3 V VCC = 5 V 0.7 1.85 0.8 2.4 NDCO = 11 0100 0000, 0000 FN FN_4=1, 4=1 FN_3=FN_2=X FN 3=FN 2=X VCC = 3 V VCC = 5 V 4.8 13.3 6 17.7 NDCO fMCLK = fNOM , FN_4=FN_3=FN_2=0 VCC = 3 V/5 V A0h S fNDCO+1 = S × fNDCO VCC = 3 V/5 V 1.07 fDCO3 NDCO = 00 0110 0000, 0000 FN_4=FN_3=FN_2=0 FN 4=FN 3=FN 2=0 f(NOM) fDCO26 fDCO3 NDCO = 11 0100 0000 FN FN_4=FN_3=FN_2=0 4=FN 3=FN 2=0 2xf(NOM) 3xf(NOM) 4xf(NOM) fDCO26 16 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1A0h UNIT 340h 1.13 MHz MHz MHz MHz MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) f(DCO26) 4xfNOM f(DCO26) f(DCO3) 3xfNOM f(DCO26) f(DCO3) 2xfNOM Legend Tolerance at Tap 26 f(DCO26) DCO Frequency Adjusted by Bits 2∧9–2∧5 in SCFI1 f(DCO3) fNOM Tolerance at Tap 3 f(DCO3) FN_2 = 0 FN_3 = 0 FN_4 = 0 FN_2 = 1 FN_3 = 0 FN_4 = 0 FN_2 = X FN_3 = 1 FN_4 = 0 FN_2 = X FN_3 = X FN_4 = 1 Figure 2 crystal oscillator PARAMETER C(Xin) Integrated capacitance at input C(Xout) Integrated capacitance at output TEST CONDITIONS MIN VCC = 3 V/5 V VCC = 3 V/5 V NOM MAX UNIT 12 pF 12 pF PUC/POR PARAMETER TEST CONDITIONS MIN NOM MAX UNIT 150 250 µs 1.5 2.4 V 1.2 2.1 V 0.9 1.8 V 0 0.4 t(POR_delay) V(POR) ( ) TA = –40°C TA = 25°C POR VCC = 3 V/5 V TA = 85°C V(min) t(reset) PUC/POR Reset is accepted internally V µs 2 V VCC V(POR) V(min) POR No POR POR t Figure 3. Power-On Reset (POR) vs Supply Voltage POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 17 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) 3 2.4 2.5 2.1 1.8 MAX V POR [V] 2 1.5 1.5 1 MIN 0.9 1.2 0.5 25°C 0 –40 –20 0 20 40 60 80 Temperature [°C] Figure 4. V(POR) vs Temperature LCD PARAMETER VO(HLCD) VO(LLCD) TEST CONDITIONS Output 1 (HLCD) Output 0 (LLCD) I(HLCD) <= 10 nA I(LLCD) <= 10 nA MIN MAX UNIT VCC VSS+0.125 V VCC = 3 V/5 V ±20 nA VCC = 3 V/5 V 50 kΩ TYP MAX UNIT 250 350 450 600 0.25×VCC 5 0.26×VCC 37 10 42 VCC = 3 V/5 V TYP VCC–0.125 VSS R03 = VSS, No load at all seg and com pins II(R03) Input leakage II(R13) R13 = VCC/ 3, No load at all seg and com pins R23 = 2 VCC/ 3, No load at all seg and com pins II(R23) ro(Rx3 to Sxx) I(SXX) = –3 µA, Resistance comparator (Timer/Port) PARAMETER TEST CONDITIONS I(com) ( ) Comparator (Timer/Port) CPON = 1 Vref(com) Internal reference voltage at (–) terminal CPON = 1 Vhys(com) Input In ut hysteresis (comparator) (com arator) CPON = 1 MIN VCC = 3 V VCC = 5 V VCC = 3 V/5 V VCC = 3 V 0.23×VCC VCC =5 V µA V mV wake-up LPM3 PARAMETER t((LPM3)) 18 TEST CONDITIONS Delay time POST OFFICE BOX 655303 MIN TYP MAX f = 1 MHz VCC = 3 V VCC = 5 V 6 f = 2 MHz VCC = 3 V VCC = 5 V 6 f = 3 MHz VCC = 5 V 6 • DALLAS, TEXAS 75265 UNIT µs MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) ADC supply current (f(ADCLK) = 1 MHz) PARAMETER I(ADC) I(ADC) ADC current TEST CONDITIONS SVCC on, current source off, SVCC on, current source off, MIN NOM MAX UNIT VCC = 3 V 200 400 µA VCC = 5 V 300 740 µA NOM MAX UNIT VCC ±0.1 µA 100 kΩ SVCC (switched AVCC) PARAMETER V(SVCC) I(SVCC) Z(SVCC) Input impedance TEST CONDITIONS MIN SVCC on, SVCC off, I(SVCC) = –8 mA, VCC = 2.5 V SVCC = 0 V, VCC = 5 V SVCC off, VCC = 3 V/5 V VCC–0.2 V 40 V current source (ADC) PARAMETER V(Rext) Voltage, (Rext) R(ext) External resistor TEST CONDITIONS V(Rext) = V(SVCC) – V(RI), I(RI) = 6 mA, VA0..A3 = 0 .. 0.4 × V(SVCC), IS = V(Rext)/R(ext) = 1 mA ∆IS Load compliance MIN TYP MAX VCC = 3 V/5 V, 0.246 × V(SVCC) 0.249 × V(SVCC) 0.252 × V(SVCC) UNIT V VCC = 3 V/5 V VCC = 3 V, 95 1600 Ω –1 1 µA VA0..A3 = 0 .. 0.4 × V(SVCC), IS = V(Rext)/R(ext) = 6 mA VCC = 3 V, –3.2 3.2 µA VA0..A3 = 0 .. 0.5 × V(SVCC) IS = V(Rext)/R(ext)= 1 mA VCC = 5 V, –1.5 1.5 µA VA0..A3 = 0 .. 0.5 × V(SVCC) IS = V(Rext)/R(ext)= 6 mA VCC = 5 V, –3.2 3.2 µA POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 19 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) A/D converter (f(ADCLK) = 1 MHz) PARAMETER TEST CONDITIONS MIN Resolution f((con)) Conversion frequency f((con)) = f(ADCLK) f((concyc)) Conversion cycles f(ADCLK) = f(MCLK)/N 12-bit conversion 12+2-bit conversion 12-bit conversion 12+2-bit conversion LSB Voltage INL1 INL2 INL3 INL4 MAX 128 ≤ DDV ≤ 255 1.5 0.14 1.5 96 VCC = 3 V/5 V VCC = 3 V/5 V VCC = 3 V/5 V 0 ≤ DDV ≤ 127 Integral g nonlinearityy (see Note 15) VCC = 3 V/5 V 0.000061×VSVCC V –2 2 LSB VCC = 3 V/5 V VCC = 3 V/5 V –3 3 LSB 256 ≤ DDV ≤ 2047 –7 7 LSB 2048 ≤ DDV ≤ 4095 VCC = 3 V/5 V –10 10 LSB VCC = 3 V/5 V –1 1 LSB dN/dT Temperature stability V(Rext)/R(ext) = 6mA, Range A Range B dN/dV(SVCC) V(SVCC)rejection ratio Range A, B, V(Rext)/R(ext) = 1 mA, SVCC ±10% VCC = 3 V/5 V Range A VCC = 3 V/5 V –1.2 Range B VCC = 3 V/5 V Range C Conversion offset 14 bit analog input to digital value (see Note 17) MHz cycles y of ADCLK 132 DNL g input to Conversion offset 12 bit analog digital value (see Note 17) UNIT bits 0.1 Differential nonlinearity (see Note 16) 0.008 VCC = 3 V/5 V LSB/°C 0.015 1.25 LSB/V –0.49 0.24 % FSRA (see Note 18) –1.7 –0.6 0.49 % FSRB (see Note 18) VCC = 3 V/5 V –1.8 –0.6 0.6 % FSRC (see Note 18) Range D VCC = 3 V/5 V –1.7 0.6 0.49 % FSRD (see Note 18) Range ABCD VCC = 3 V/5 V –0.27 –0.06 0.13 %FSRABCD (see Note 18) VCC = 3 V/5 V VCC = 3 V/5 V 0.9925 1 1.0075 0.9982 1 1.0018 40 45 Slope 12 bit Slope 14 bit C(IN) R(SIN) TYP 12 + 2 Input capacitance VCC = 3 V/5 V VCC = 3 V/5 V Serial input resistance 2 pF kΩ NOTES: 15. DDV is short form of delta digital value. The DDV is a span of conversion results. It is assumed that the conversion is of 12 bit not 12+2 bit. 16. DNL is valid for all 12-bit ranges and the 14-bit (12+2) range. 17. Offset referred to full scale 12/14 bit 18. FSRx: full scale range, separate for the four 12-bit ranges and the 14-bit (12+2) range. 20 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) JTAG PARAMETER TEST CONDITIONS MIN TCK frequency VCC = 3 V VCC = 5 V R(TEST) Pullup resistors on TMS, TCK, TDI (see Note 19) VCC = 3 V/ 5 V 25 V(FB) Fuse blow voltage, E/P versions (see Note 21) VCC = 3 V/ 5 V 11 f(TCK) JTAG/test I(FB) t(FB) JTAG/f JTAG/fuse ( (see N t 20) Note 10 60 11 11.5 Current from programming voltage source EPROM ((E)) and OTP(P) ( )– versions only Pn t(erase) 5 DC Supply current on TDI to blow fuse Programming voltage, applied to TDI/VPP Programming time, single pulse y EPROM ((E)) versions only MHz kΩ 12 V 100 mA 1 ms 13 V 70 mA ms µs 100 4 UNIT 90 5 Programming time, fast algorithm Number of pulses for successful programming MAX DC Time to blow the fuse V(PP) I(PP) t(pps) t(ppf) TYP 100 Pulses Data retention TJ < 55°C 10 year Erase time wave length 2537 Å at 15 Ws/cm2 (UV lamp of 12 mW/ cm2) 30 min Write/Erase cycles 1000 cycles NOTES: 19. The TMS and TCK pullup resistors are implemented in all C-, P-, and E-versions. 20. Once the JTAG fuse is blown, no further access to the MSP430 JTAG/test feature is possible. The JTAG block switches to by-pass mode. 21. The voltage supply to blow the JTAG fuse is applied to TDI/VPP pin when fuse blowing is desired. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 21 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 TYPICAL CHARACTERISTICS DIGITAL CONTROLLED OSCILLATOR FREQUENCY vs SUPPLY VOLTAGE 1.8 1.2 1.5 1 f (DCO) / f (DCO@ 3 V) f (DCO) / f (DCO@ 25°C ) DIGITAL CONTROLLED OSCILLATOR FREQUENCY vs OPERATING FREE-AIR TEMPERATURE 1.2 0.9 0.6 0.3 0 –40 0.8 0.6 0.4 0.2 0 –20 0 20 40 60 80 T – Operating Free-Air Temperature – °C 90 0 Figure 5 22 4 2 VCC – Supply Voltage – V Figure 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 6 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 TYPICAL CHARACTERISTICS typical input/output schematics VCC VCC (see Note A) (see Note A) (see Note B) (see Note B) (see Note B) (see Note B) (see Note A) (see Note A) GND GND CMOS SCHMITT-TRIGGER INPUT (CIN) CMOS INPUT (RST/NMI) VCC (see Note A) (see Note B) (see Note B) (see Note A) GND I/O WITH SCHMITT-TRIGGER INPUT (P0.x, TP5) CMOS 3-STATE OUTPUT (TP0–4, XBUF) TDO_Internal VCC 60 k TYP TDO_Control TDI_Control TDI_Internal MSP430P/E325: TMS, TCK MSP430P/E325: TDO/TDI NOTES: A. Optional selection of pullup or pulldown resistors with ROM (masked) versions. Anti-parallel diodes are connected between AVSS and DVSS. B. Fuses for the optional pullup and pulldown resistors can only be programmed at the factory. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 23 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 TYPICAL CHARACTERISTICS typical input/output schematics VC COM 0–3 VD Control COM0–3 VA S0, S1 VB Segment control VA S2/O2–Sn/On VB Segment control LCDCTL (LCDM5,6,7) Data (LCD RAM bits 0–3 or bits 4–7) LCD OUTPUT (COM0–4, Sn, Sn/On) NOTE: The signals VA, VB, VC, and VD come from the LCD module analog voltage generator. VPP_ Internal TDI_ Internal TDI/VPP JTAG Fuse TDO/TDI_Control TDO/TDI TMS TDO_ Internal JTAG Fuse Blow Control From/To JTAG_CBT_SIG_REG NOTES: A. During programming activity and when blowing the JTAG enable fuse, the TDI/VPP terminal is used to apply the correct voltage source. The TDO/TDI terminal is used to apply the test input data for JTAG circuitry. B. The TDI/VPP terminal of the ’P325 and ’E325 does not have an internal pullup resistor. An external pulldown resistor is recommended to avoid a floating node which could increase the current consumption of the device. C. The TDO/TDI terminal is in a high-impedance state after POR. The ’P325 and ’E325 needs a pullup or a pulldown resistor to avoid floating a node which could increase the current consumption of the device. Figure 7. MSP430P325/E325: TDI/VPP, TDO/TDI 24 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 TYPICAL CHARACTERISTICS JTAG fuse check mode MSP430 devices that have the fuse on the TDI/VPP terminal have a fuse check mode that tests the continuity of the fuse the first time the JTAG port is accessed after a power-on reset (POR). When activated, a fuse check current, ITF , of 1 mA at 3 V, 2.5 mA at 5 V can flow from the TDI/VPP pin to ground if the fuse is not burned. Care must be taken to avoid accidentally activating the fuse check mode and increasing overall system power consumption. Activation of the fuze check mode occurs with the first negative edge on the TMS pin after power-up or if TMS is being held low during power-up. The second positive edge on the TMS pin deactivates the fuse check mode. After deactivation, the fuse check mode remains inactive until another POR occurs. After each POR the fuse check mode has the potential to be activated. Time TMS Goes Low After POR TMS ITDI ITF Figure 8. Fuse Check Mode Current, MSP430P/E325 Care must be taken to avoid accidentally activating the fuse check mode, including guarding against EMI/ESD spikes that could cause signal edges on the TMS pin. Configuration of TMS, TCK, TDI/VPP and TDO/TDI pins in applications. P/E3xx TDI 68k, pulldown TDO 68k, pulldown TMS Open TCK Open POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 25 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA PG (R-PQFP-G64) PLASTIC QUAD FLATPACK 0,45 0,25 1,00 51 0,20 M 33 52 32 12,00 TYP 64 14,20 13,80 18,00 17,20 20 1 19 0,15 NOM 18,00 TYP 20,20 19,80 24,40 23,60 Gage Plane 0,25 0,10 MIN 2,70 TYP 0°– 10° 1,10 0,70 Seating Plane 3,10 MAX 0,10 4040101 / B 03/95 NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Contact field sales office to determine if a tighter coplanarity requirement is available for this package. 26 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA MSP430P325 (PM package) 1 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 2 47 3 46 4 45 5 44 6 43 7 42 8 41 9 40 10 39 11 38 12 37 13 36 14 35 15 34 33 16 1718 19 20 21 22 23 24 25 26 27 28 29 30 31 32 S19/O19 S18/O18 S17/O17 S16/O16 S15/O15 S14/O14 S13/O13 S12/O12 S11/O11 S10/O10 S9/O9 S8/O8 S7/O7 S6/O6 S5/O5 S4/O4 P0.0 P0.1/RXD P0.2/TXD P0.3 P0.4 P0.5 P0.6 P0.7 R33 R32 R13 R03 S0 S1 S2/O2 S3/O3 DVCC SVCC Rext A2 A3 A4 A5 Xin Xout/TCLK CIN TP0.0 TP0.1 TP0.2 TP0.3 TP0.4 TP0.5 COM0 S20/O20/CMPI AVCC DVSS AVSS A1 A0 XBUF RST/NMI TCK TMS TDI/V PP TDO/TDI COM3 COM2 COM1 PM PACKAGE (TOP VIEW) POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 27 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA PM (S-PQFP-G64) PLASTIC QUAD FLATPACK 0,27 0,17 0,50 0,08 M 33 48 49 32 64 17 0,13 NOM 1 16 7,50 TYP 10,20 SQ 9,80 12,20 SQ 11,80 Gage Plane 0,25 0,05 MIN 0°– 7° 0,75 0,45 1,45 1,35 Seating Plane 0,08 1,60 MAX 4040152 / C 11/96 NOTES: A. B. C. D. 28 All linear dimensions are in millimeters. This drawing is subject to change without notice. Falls within JEDEC MS-026 May also be thermally enhanced plastic with leads connected to the die pads. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA MSP430P325 (FN package) AVCC NC DVSS AVSS A1 A0 XBUF RST/NMI TCK TMS TDI/VPP TDO/TDI COM3 COM2 COM1 COM0 NC FN PACKAGE (TOP VIEW) 9 10 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 60 11 59 12 58 13 57 14 56 15 55 16 54 17 53 18 52 19 51 20 50 21 49 22 48 23 47 24 46 25 45 44 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 S20/O20/CMPI S19/O19 S18/O18 S17/O17 S16/O16 S15/O15 S14/O14 S13/O13 S12/O12 S11/O11 S10/O10 S9/O9 S8/O8 S7/O7 S6/O6 S5/O5 S4/O4 NC P0.1/RXD P0.2/TXD P0.3 P0.4 P0.5 P0.6 P0.7 R33 R23 R13 R03 S0 S1 S2/O2 S3/O3 NC DVCC SVCC Rext A2 A3 A4 A5 Xin Xout/TCLK CIN TP0.0 TP0.1 TP0.2 TP0.3 TP0.4 TP0.5 P0.0 NC – No internal connection POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 29 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA FN (S-PQCC-J**) PLASTIC J-LEADED CHIP CARRIER 20 PIN SHOWN Seating Plane 0.004 (0,10) 0.180 (4,57) MAX 0.120 (3,05) 0.090 (2,29) D D1 0.020 (0,51) MIN 3 1 19 0.032 (0,81) 0.026 (0,66) 4 E 18 D2 / E2 E1 D2 / E2 8 14 0.021 (0,53) 0.013 (0,33) 0.007 (0,18) M 0.050 (1,27) 9 13 0.008 (0,20) NOM D/E D2 / E2 D1 / E1 NO. OF PINS ** MIN MAX MIN MAX MIN MAX 20 0.385 (9,78) 0.395 (10,03) 0.350 (8,89) 0.356 (9,04) 0.141 (3,58) 0.169 (4,29) 28 0.485 (12,32) 0.495 (12,57) 0.450 (11,43) 0.456 (11,58) 0.191 (4,85) 0.219 (5,56) 44 0.685 (17,40) 0.695 (17,65) 0.650 (16,51) 0.656 (16,66) 0.291 (7,39) 0.319 (8,10) 52 0.785 (19,94) 0.795 (20,19) 0.750 (19,05) 0.756 (19,20) 0.341 (8,66) 0.369 (9,37) 68 0.985 (25,02) 0.995 (25,27) 0.950 (24,13) 0.958 (24,33) 0.441 (11,20) 0.469 (11,91) 84 1.185 (30,10) 1.195 (30,35) 1.150 (29,21) 1.158 (29,41) 0.541 (13,74) 0.569 (14,45) 4040005 / B 03/95 NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. Falls within JEDEC MS-018 30 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 PMS430E325 (FZ package) AVCC NC DVSS AVSS A1 A0 XBUF RST/NMI TCK TMS TDI/ Vpp TDO/TDI COM3 COM2 COM1 COM0 NC FZ PACKAGE (TOP VIEW) 10 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 60 11 59 12 58 13 57 14 56 15 55 16 54 17 53 18 52 19 51 20 50 21 49 22 48 23 47 24 46 25 45 44 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 S20/O20/CMPI S19/O19 S18/O18 S17/O17 S16/O16 S15/O15 S14/O14 S13/O13 S12/O12 S11/O11 S10/O10 S9/O9 S8/O8 S7/O7 S6/O6 S5/O5 S4/O4 NC P0.1/RXD P0.2/TXD P0.3 P0.4 P0.5 P0.6 P0.7 R33 R23 R13 R03 S0 S1 S2/O2 S3/O3 NC DVCC SVCC rext A2 A3 A4 A5 Xin Xout/TCLK CIN TP0.0 TP0.1 TP0.2 TP0.3 TP0.4 TP0.5 P0.0 NC – No internal connection POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 31 MSP430P325 MIXED SIGNAL MICROCONTROLLER SLAS164A – FEBRUARY 1998 – REVISED MARCH 2000 MECHANICAL DATA FZ (S-CQCC-J**) J-LEADED CERAMIC CHIP CARRIER 28 LEAD SHOWN 0.040 (1,02) 45° Seating Plane 0.180 (4,57) A 0.155 (3,94) 0.140 (3,55) B 4 0.120 (3,05) 1 26 25 5 A B 0.050 (1,27) C (at Seating Plane) 0.032 (0,81) 0.026 (0,66) 0.020 (0,51) 0.014 (0,36) 19 11 18 12 0.025 (0,64) R TYP 0.040 (1,02) MIN 0.120 (3,05) 0.090 (2,29) A B C JEDEC NO. OF OUTLINE PINS** MIN MAX MIN MAX MIN MAX MO-087AA 28 0.485 (12,32) 0.495 (12,57) 0.430 (10,92) 0.455 (11,56) 0.410 (10,41) 0.430 (10,92) MO-087AB 44 0.685 (17,40) 0.695 (17,65) 0.630 (16,00) 0.655 (16,64) 0.610 (15,49) 0.630 (16,00) MO-087AC 52 0.785 (19,94) 0.795 (20,19) 0.730 (18,54) 0.765 (19,43) 0.680 (17,28) 0.740 (18,79) MO-087AD 68 0.985 (25,02) 0.995 (25,27) 0.930 (23,62) 0.955 (24,26) 0.910 (23,11) 0.930 (23,62) 4040219 / B 03/95 NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. This package can be hermetically sealed with a ceramic lid using glass frit. 32 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 22-Nov-2010 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) MSP-EVK430A320 OBSOLETE 0 TBD Call TI Call TI Samples Not Available MSP-EVK430B320 OBSOLETE 0 TBD Call TI Call TI Samples Not Available MSP-STK430A320 OBSOLETE 0 TBD Call TI Call TI Samples Not Available MSP-STK430B320 OBSOLETE 0 TBD Call TI Call TI Samples Not Available MSP430P325IFN ACTIVE PLCC FN 68 18 Green (RoHS & no Sb/Br) CU NIPDAU Level-4-260C-72 HR Purchase Samples MSP430P325IPG ACTIVE QFP PG 64 66 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples MSP430P325IPM ACTIVE LQFP PM 64 160 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR Purchase Samples (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 22-Nov-2010 Addendum-Page 2 MECHANICAL DATA MPLC004A – OCTOBER 1994 FN (S-PQCC-J**) PLASTIC J-LEADED CHIP CARRIER 20 PIN SHOWN Seating Plane 0.004 (0,10) 0.180 (4,57) MAX 0.120 (3,05) 0.090 (2,29) D D1 0.020 (0,51) MIN 3 1 19 0.032 (0,81) 0.026 (0,66) 4 E 18 D2 / E2 E1 D2 / E2 8 14 0.021 (0,53) 0.013 (0,33) 0.007 (0,18) M 0.050 (1,27) 9 13 0.008 (0,20) NOM D/E D2 / E2 D1 / E1 NO. OF PINS ** MIN MAX MIN MAX MIN MAX 20 0.385 (9,78) 0.395 (10,03) 0.350 (8,89) 0.356 (9,04) 0.141 (3,58) 0.169 (4,29) 28 0.485 (12,32) 0.495 (12,57) 0.450 (11,43) 0.456 (11,58) 0.191 (4,85) 0.219 (5,56) 44 0.685 (17,40) 0.695 (17,65) 0.650 (16,51) 0.656 (16,66) 0.291 (7,39) 0.319 (8,10) 52 0.785 (19,94) 0.795 (20,19) 0.750 (19,05) 0.756 (19,20) 0.341 (8,66) 0.369 (9,37) 68 0.985 (25,02) 0.995 (25,27) 0.950 (24,13) 0.958 (24,33) 0.441 (11,20) 0.469 (11,91) 84 1.185 (30,10) 1.195 (30,35) 1.150 (29,21) 1.158 (29,41) 0.541 (13,74) 0.569 (14,45) 4040005 / B 03/95 NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. Falls within JEDEC MS-018 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 MECHANICAL DATA MQFP008 – JULY 1998 PG (R-PQFP-G64) PLASTIC QUAD FLATPACK 0,45 0,25 1,00 51 0,20 M 33 52 32 12,00 TYP 64 14,20 13,80 18,00 17,20 20 1 19 0,15 NOM 18,00 TYP 20,20 19,80 24,00 23,20 Gage Plane 0,25 0,10 MIN 2,70 TYP 0°– 10° 1,10 0,70 Seating Plane 3,10 MAX 0,10 4040101 / B 03/95 NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Contact field sales office to determine if a tighter coplanarity requirement is available for this package. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 MECHANICAL DATA MTQF008A – JANUARY 1995 – REVISED DECEMBER 1996 PM (S-PQFP-G64) PLASTIC QUAD FLATPACK 0,27 0,17 0,50 0,08 M 33 48 49 32 64 17 0,13 NOM 1 16 7,50 TYP Gage Plane 10,20 SQ 9,80 12,20 SQ 11,80 0,25 0,05 MIN 0°– 7° 0,75 0,45 1,45 1,35 Seating Plane 0,08 1,60 MAX 4040152 / C 11/96 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Falls within JEDEC MS-026 May also be thermally enhanced plastic with leads connected to the die pads. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. 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