SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 D D D D D D D D D D D D D D D D D D – 68-Pin Leaded Ceramic Chip Carrier (FJ Suffix) – 68-Pin Ceramic Grid Array (GB Suffix) – 68-Pin Leadless Ceramic Chip Carrier (FD Suffix) VSS D7 D6 D5 D4 D3 D2 D1 D0 SYNC INT0 INT1 INT2 VCC DR FSR A0 CLKR CLKX V CC V CC 68-Pin FJ and FD Packages (Top View) READY D D D D D D Single 5-V Supply D On-Chip Clock Generator D Packaging: D8 D9 D10 D11 D12 D13 D14 D15 D D – –55°C to 125°C 100-ns or 80-ns Instruction Cycle Times 544 Words of Programmable On-Chip Data RAM 4K Words of On-Chip Program ROM 128K Words of Data/Program Space 16 Input and 16 Output Channels 16-Bit Parallel Interface Directly Accessible External Data Memory Space – Global Data Memory Interface 16-Bit Instruction and Data Words 16 × 16-Bit Multiplier With a 32-Bit Product 32-Bit ALU and Accumulator Single-Cycle Multiply/Accumulate Instructions 0 to 16-Bit Scaling Shifter Bit Manipulation and Logical Instructions Instruction Set Support for Floating-Point Operations, Adaptive Filtering, and Extended-Precision Arithmetic Block Moves for Data/Program Management Repeat Instructions for Efficient Use of Program Space Eight Auxiliary Registers and Dedicated Arithmetic Unit for Indirect Addressing Serial Port for Direct Code Interface Synchronization Input for Synchronous Multiprocessor Configurations Wait States for Communication to Slow-Off-Chip Memories/Peripherals On-Chip Timer for Control Operations Three External Maskable User Interrupts Input Pin Polled by Software Branch Instruction 1.6-µm CMOS Technology Programmable Output Pin for Signaling External Devices 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 60 10 59 11 58 12 57 13 56 14 55 15 54 16 53 17 52 18 51 19 50 20 49 21 48 22 47 23 46 24 45 25 44 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 IACK MSC CLKOUT1 CLKOUT2 XF HOLDA DX FSX X2 CLKIN X1 BR STRB R/W PS IS DS VSS V SS A1 A2 A3 A4 A5 A6 A7 V CC A8 A9 A10 A11 A12 A13 A14 A15 D Military Temperature Range 68-Pin GB Package (Top View) 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H J K L 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 2001, Texas Instruments Incorporated !"# $"%&! '#( '"! ! $#!! $# )# # #* "# '' +,( '"! $!# - '# #!# &, !&"'# # - && $## ( POST OFFICE BOX 1443 $'"! !$& ./ && $## # # #' "&# )#+ # #'( && )# $'"! $'"! $!# - '# #!# &, !&"'# # - && $## ( • HOUSTON, TEXAS 77251–1443 1 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 description This data sheet provides design documentation for the SMJ320C25 and the SMJ320C25-50 digital signal processor (DSP) devices in the SMJ320 family of VLSI digital signal processors and peripherals. The SMJ320 family supports a wide range of digital signal processing applications such as tactical communications, guidance, military modems, speech processing, spectrum analysis, audio processing, digital filtering, high-speed control, graphics, and other computation-intensive applications. Differences between the SMJ320C25 and the SMJ320C25-50 are specifically identified, as in the following paragraph and in the parameter tables on pages 18 through 24 of this data sheet. When not specifically differentiated, the term SMJ320C25 is used to describe both devices. The SMJ320C25 has a 100-ns instruction cycle time. The SMJ320C25-50 has an 80-ns instruction cycle time. With these fast instruction cycle times and their innovative memory configurations, these devices perform operations necessary for many real-time digital signal processing algorithms. Since most instructions require only one cycle, the SMJ320C25 is capable of executing 12.5 million instructions per second. On-chip data RAM of 544 16-bit words, on-chip program ROM of 4K words, direct addressing of up to 64K words of external data memory space and 64K words of external program memory space, and multiprocessor interface features for sharing global memory minimize unnecessary data transfers to take full advantage of the capabilities of the instruction set. Table 1. PGA/CLCC/LCCC Pin Assignments FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN A0 K1/26 A12 K8/40 D2 E1/16 D14 A5/3 INT2 H1/22 VCC H2/23 A1 K2/28 A13 L9/41 D3 D2/15 D15 B6/2 IS J11/46 VCC L6/35 A2 L3/29 A14 K9/42 D4 D1/14 DR J1/24 MP/MC A6/1 VSS B1/10 A3 K3/30 A15 L10/43 D5 C2/13 DS K10/45 MSC C10/59 VSS K11/44 A4 L4/31 BI0 B7/68 D6 C1/12 DX E11/54 PS J10/47 VSS L2/27 A5 K4/32 BR G11/50 D7 B2/11 FSR J2/25 READY B8/66 XF D11/56 A6 L5/33 CLKOUT1 C11/58 D8 A2/9 FSX F10/53 RS A8/65 X1 G10/51 A7 K5/34 CLKOUT2 D10/57 D9 B3/8 HOLD A7/67 R/W H11/48 X2/CLKIN F11/52 A8 K6/36 CLKR B9/64 D10 A3/7 HOLDA E10/55 STRB H10/49 A9 L7/37 CLKX A9/63 D11 B4/6 IACK B11/60 SYNC F2/19 A10 K7/38 D0 F1/18 D12 A4/5 INT0 G1/20 VCC A10/61 A11 L8/39 D1 E2/17 D13 85/4 INT1 G2/21 VCC B10/62 SMJ320 is a trademark of Texas Instruments Incorporated. 2 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Terminal Functions SIGNALS I/O/Z† DEFINITION VCC VSS I 5-V supply pins I Ground pins X1 0 Output from internal oscillator for crystal X2/CLKIN I Input to internal oscillator from crystal or external clock CLKOUT1 0 Master clock output (crystal or CLKIN frequency/4) CLKOUT2 0 A second clock output signal D15–D0 I/O/Z 16-bit data bus D15 (MSB) through D0 (LSB). Multiplexed between program, data, and I/0 spaces. A15–A0 O/Z 16-bit address bus A15 (MSB) through A0 (LSB) PS,DS,IS O/Z Program, data, and I/O space select signals R/W O/Z Read / write signal STRB O/Z Strobe signal RS I Reset input INT2–INT0 I External user interrupt inputs MP/MC I Microprocessor/microcomputer mode select pin MSC 0 Microstate complete signal IACK 0 Interrupt acknowledge signal READY I Data ready input. Asserted by external logic when using slower devices to indicate that the current bus transaction is complete. BR 0 Bus request signal. Asserted when the SMJ320C25 requires access to an external global data memory space. XF 0 External flag output (latched software-programmable signal) HOLD 1 Hold input. When asserted, SMJ320C25 goes into an idle mode and places the data, address, and control lines in the high-impedance state. HOLDA 0 Hold acknowledge signal SYNC I Synchronization input BIO I Branch control input. Polled by BIOZ instruction DR I Serial data receive input CLKR I Clock for receive input for serial port I Frame synchronization pulse for receive input FSR DX CLKX FSX O/Z I Serial data transmit output Clock for transmit output for serial port I/O/Z Frame synchronization pulse for transmit. Configurable as either an input or an output. † I/O/Z denotes input/output/high-impedance state. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 3 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 block diagram SYNC IS DS PS X1 X2/CLKIN CLKOUT1 CLKOUT2 Program Bus R/W STRB READY BR XF HOLD HOLDA MSC BIO RS IACK 16 16 16 16 PFC(16) QIR(16) IR(16) 16 STO(16) Controller MUX ST1(16) 16 16 3 A15-A0 16 Stack 16 16 RSR(16) XSR(16) 16 16 16 MUX D15-D0 DRR(16) 16 Instruction 16 DR CLKR FSR DX CLKX FSX 16 (8 x 16) Program ROM/ EPROM (4096 × 16) MUX 16 16 Address 16 MP/MC IFR(6) PC(16) MCS(16) 16 INT(2-0) RPTC(8) 16 16 DXR(16) 16 TIM(16) 16 PRD(16) 6 IMR(6) 8 GREG(8) 16 16 Program Bus Data Bus 16 16 16 16 AR0(16) AR2(16) ARP(3) MUX DP(9) Shifter(0-16) 9 AR4(16) 16 Multiplier AR3(16) 3 16 16 TR(16) 7 LSB From IR AR1(16) 3 16 9 3 AR5(16) PR(32) AR6(16) 32 AR7(16) 32 16 ARB(3) Shifter(-6, 0, 1, 4) 16 3 16 MUX ARAU(16) 32 MUX 16 16 MUX 32 MUX 16 16 32 ALU(32) 32 DATA/PROG RAM (256 × 16) Block B0 Block B2 (32 × 16) Data RAM Block B1 (256 × 16) C 32 16 MUX 16 Shifters (0-7)† 16 16 ACCL(16) ACCH(16) 16 Data Bus LEGEND: ACCH = ACCL = ALU = ARAU = ARB = ARP = DP = DRR = DXR = 4 Accumulator high Accumulator low Arithmetic logic unit Auxiliary register arithmetic unit Auxiliary register pointer buffer Auxiliary register pointer Data memory page pointer Serial port data receive register Serial port data transmit register IFR IMR IR MCS QIR PR PRD TIM TR = = = = = = = = = Interrupt flag register Interrupt mask register Instruction register Microcall stack Queue instruction register Product register Period register for timer Timer Temporary register POST OFFICE BOX 1443 PC PFC RPTC GREG RSR XSR AR0-AR7 ST0, ST1 C • HOUSTON, TEXAS 77251–1443 = = = = = = = = = Program counter Prefetch counter Repeat instruction counter Global memory allocation register Serial port receive shift register Serial port transmit shift register Auxiliary registers Status registers Carry bit SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 architecture The SMJ320C25 increases performance of DSP algorithms through innovative additions to the SMJ320 architecture. Increased throughput on the SMJ320C25 for many DSP applications is accomplished by means of single-cycle multiply/accumulate instructions with a data move option, eight auxiliary registers with a dedicated arithmetic unit, and faster I/O necessary for data-intensive signal processing. The architectural design of the SMJ320C25 emphasizes overall speed, communication, and flexibility in processor configuration. Control signals and instructions provide floating-point support, block-memory transfers, communication to slower off-chip devices, and multiprocessing implementations. Two large on-chip RAM blocks, configurable either as separate program and data spaces or as two contiguous data blocks, provide increased flexibility in system design. Programs of up to 4K words can be masked into the internal program ROM. The remainder of the 64K-word program memory space is located externally. Large programs can execute at full speed from this memory space. Programs can also be downloaded from slow external memory to high-speed on-chip RAM. A total of 64K data memory address space is included to facilitate implementation of DSP algorithms. The VLSI implementation of the SMJ320C25 incorporates all of these features as well as many others, such as a hardware timer, serial port, and block data transfer capabilities. 32-bit ALU/accumulator The SMJ320C25 32-bit arithmetic logic unit (ALU) and accumulator perform a wide range of arithmetic and logical instructions, the majority of which execute in a single clock cycle. The ALU executes a variety of branch instructions dependent on the status of the ALU or a single bit in a word. These instruction provide the following capabilities: D Branch to an address specified by the accumulator D Normalize fixed-point numbers contained in the accumulator D Test a specified bit of a word in data memory. One input to the ALU is always provided from the accumulator, and the other input can be provided from the product register (PA) of the multiplier or the input scaling shifter which has fetched data from the RAM on the data bus. After the ALU has performed the arithmetic or logical operations, the result is stored in the accumulator. The 32-bit accumulator is split into two 16-bit segments for storage in data memory. Additional shifters at the output of the accumulator perform shifts while the data is being transferred to the data bus for storage. The contents of the accumulator remain unchanged. scaling shifter The SMJ320C25 scaling shifter has a 16-bit input connected to the data bus and a 32-bit output connected to the ALU. The scaling shifter produces a left shift of 0 to 16 bits on the input data, as programmed in the instruction. The LSBs of the output are filled with zeroes, and the MSBs can be either filled with zeroes or sign-extended, depending upon the status programmed into the SXM (sign-extension mode) bit of status register ST1. 16 X 16-bit parallel multiplier The SMJ320C25 has a 16 x 16-bit hardware multiplier, which is capable of computing a signed or unsigned 32-bit product in a single machine cycle. The multiplier has the following two associated registers: D A 16-bit temporary register (TR) that holds one of the operands for the multiplier, and D A 32-bit product register (PR) that holds the product. Incorporated into the SMJ320C25 instruction set are single-cycle multiply/accumulate instruction that allow both operands to be processed simultaneously. The data for these operations can reside anywhere in internal or external memory and can be transferred to the multiplier each cycle via the program and data buses. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 5 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 16 X 16-bit parallel multiplier (continued) Four product shift modes are available at the product register (PR) output that are useful when performing multiply/accumulate operations, fractional arithmetic, or justifying fractional products. timer The SMJ320C25 provides a memory-mapped 16-bit timer for control operations. The on-chip timer (TIM) register is a down counter that is continuously clocked by CLKOUT1. A timer interrupt (TINT) is generated every time the timer decrements to zero. The timer is reloaded with the value contained in the period (PRD) register within the next cycle after it reaches zero so that interrupts can be programmed to occur at regular intervals of PRD + 1 cycles of CLKOUT1. memory control The SMJ320C25 provides a total of 544 16-bit words of on-chip data RAM, divided into three separate blocks (B0, B1, and B2). Of the 544 words, 288 words (blocks B1 and B2) are always data memory, and 256 words (block B0) are programmable as either data or program memory. A data memory size of 544 words allows the SMJ320C25 to handle a data array of 512 words (256 words if on-chip RAM is used for program memory), while still leaving 32 locations for intermediate storage. When using block B0 as program memory, instructions can be downloaded from external program memory into on-chip RAM and then executed. When using on-chip program RAM, ROM, or high-speed external program memory, the SMJ320C25 runs at full speed without wait states. However, the READY line can be used to interface the SMJ320C25 to slower, less-expensive external memory. Downloading programs from slow off-chip memory to on-chip program RAM speeds processing while cutting system costs. The SMJ320C25 provides three separate address states for program memory, data memory, and I/O. The on-chip memory is mapped into either the 64K-word data memory or program memory space, depending upon the memory configuration. The CNF0 (configure block B0 as data memory) and CNFP (configure block B0 as program memory) instruction allow dynamic configuration of the memory maps through software. Regardless of the configuration, the user can still execute from external program memory. The SMJ320C25 has six registers which are mapped into the data memory space: a serial port data receive register, serial port data transmit register, timer register, period register, interrupt mask register, and global memory allocation register. 6 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 memory control (continued) Program 0(0000h) Program 0(0000h) Interrupts and Reserved (External) 31(001Fh) 32(0020h ) 31(001Fh) 32(0020h ) 4015(0FAFh) 4016(0FB0h) Data 0(0000h) Interrupts and Reserved (On-Chip ROM/EPROM) On-Chip Memory-Mapped Registers 5(0005h) 6(0006h) Reserved On-Chip ROM/EPROM Page 0 95(005Fh) 96(0060h ) 127(007Fh) 128(0080h) Reserved 4095(0FFFh) 4096(1000h) On-Chip Block B2 Reserved Pages 1-3 On-Chip Block B0 Pages 4-5 On-Chip Block B1 Pages 6 -7 511(01FFh) 512(0200h) External 767(02FFh) 768(0300h) External 1023(03FFh) 1024(0400h) External 65,535(0FFFFh) 65,535(0FFFFh) 65,535(FFFFh) Pages 8 -511 If MP/MC = 0 (Microcomputer Mode) If MP/MC = 1 (Microprocessor Mode) (a) Memory Maps After a CNFD Instruction Program 0(0000h) Interrupts and Reserved (External) Program 0(0000h) 31(001Fh) 32(0020h ) 31(001Fh) 32(0020h ) 4015(0FAFh) 4016(0FB0h) Data 0(0000h) Interrupts and Reserved (On-Chip ROM/EPROM) On-Chip Memory-Mapped Registers 5(0005h) 6(0006h) On-Chip ROM/EPROM Reserved 95(005Fh) 96(0060h ) Reserved 4095(0FFFh) 4096(1000h) Page 0 On-Chip Block B2 127(007Fh) 128(0080h) Reserved Pages 1-3 Does Not Exist Pages 4-5 On-Chip Block B1 Pages 6 -7 511(01FFh) 512(0200h) External 767(02FFh) 768(0300h) External 1023(03FFh) 1024(0400h) 65,279(0FEFFh) 65,280(0FF00h) 65,279(0FEFFh) 65,280(0FF00h) On-Chip Block B0 65,535(0FFFFh) External 65,535(0FFFFh) If MP/MC = 1 (Microprocessor Mode) Pages 8 -511 On-Chip Block B0 65,535(0FFFFh) If MP/MC = 0 (Microcomputer Mode) (b) Memory Maps After a CNFP Instruction Figure 1. Memory Maps POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 7 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 interrupts and subroutines The SMJ320C25 has three external maskable user interrupts INT2–INT0, available for external devices that interrupt the processor. Internal interrupts are generated by the serial port (RINT and XINT), by the timer (TINT), and by the software interrupt (TRAP) instruction. Interrupts are prioritized with reset (RS) having the highest priority and the serial port transmit interrupt (XINT) having the lowest priority. All interrupt locations are on two-word boundaries so that branch instruction can be accommodated in those locations if desired. A built-in mechanism protects multicycle instructions from interrupts. If an interrupt occurs during a multicycle instruction, the interrupt is not processed until the instruction is completed. This mechanism applies both to instructions that are repeated or become multicycle due to the READY signal. external interface The SMJ320C25 supports a wide range of system interfacing requirements. Program, data, and I/O address spaces provide interface to memory and I/O. thus maximizing system throughout. I/O design is simplified by having I/O treated the same way as memory. I/O devices are mapped into the I/O address space using the processor’s external address and data buses in the same manner as memory-mapped devices. Interface to memory and I/O devices of varying speeds is accomplished by using the READY line. When transitions are made with slower devices, the SMJ320C25 processor waits until the other device completes its function and signals the processor via the READY line. Then, the SMJ320C25 continues execution. A full-duplex serial port provides communication with serial devices, such as codecs, serial A/D converters, and other serial systems. The interface signals are compatible with codecs and many other serial devices with a minimum of external hardware. The serial port can also be used for intercommunication between processors in multiprocessing applications. The serial port has two memory-mapped registers: the data transmit register (DXR) and the data receive register (DRR). Both registers operate in either the byte mode or 16-bit word mode, any can be accessed in the same manner as any other data memory location. Each register has an external clock, a framing synchronization pulse, and associated shift registers. One method of multiprocessing can be implemented by programming one device to transmit while the others are in the receive mode. multiprocessing The flexibility of the SMJ320C25 allows configurations to satisfy a wide range of system requirements. The SMJ320C25 can be used as follows: D D D D A standalone processor A multiprocessor with devices in parallel A slave/host multiprocessor with global memory space A peripheral processor interfaced via processor-controlled signals to another device. For multiprocessing applications, the SMJ320C25 has the capability of allocating global data memory space and communicating with that space via the BR (bus request) and READY control signals. Global memory is data memory shared by more than one processor. Global data memory access must be arbitrated. The 8-bit memory-mapped GREG (global memory allocation register) specifies part of the SMJ320C25s data memory as global external memory. The contents of the register determine the size of the global memory space. If the current instruction addresses an operand within that space, BR is asserted to request control of the bus. The length of the memory cycle is controlled by the READY line. The SMJ320C25 supports DMA (direct memory access) to its external program/data memory using the HOLD and HOLDA signals. Another processor can take complete control of the SMJ320C25s external memory by asserting HOLD low. This causes the SMJ320C25 to place its address, data, and control lines in a high-impedance state, and assert HOLDA. Program execution from on-chip memory can proceed concurrently while the device is in the hold mode. 8 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 instruction set The SMJ320C25 microprocessor implements a comprehensive instruction set that supports both numeric-intensive signal processing operations as well as general-purpose applications, such as multiprocessing and high-speed control. For maximum throughput, the next instruction is prefetched while the current one is being executed. Since the same data lines are used to communicate to external data/program or I/O space, the number of cycles may vary depending upon whether the next data operand fetch is from internal or external program memory. Highest throughput is achieved by maintaining data memory on-chip and using either internal or fast external program memory. addressing modes The SMJ320C25 instruction set provides three memory addressing modes: direct, indirect, and immediate addressing. Both direct and indirect addressing can be used to access data memory. In direct addressing, seven bits of the instruction word are concatenated with the nine bits of the data memory page pointer to form the 16-bit data memory address. Indirect addressing accesses data memory through the eight auxiliary registers. In immediate addressing, the data is based on a portion of the instruction word(s). In direct memory addressing, the instruction word contains the lower seven bits of the data memory address. This field is concatenated with the nine bits of the data memory page pointer to form the full 16-bit address. Thus, memory is paged in the direct addressing mode with a total of 512 pages, each page containing 128 words. Eight auxiliary register (AR0–AR7) provide flexible and powerful indirect addressing. To select a specific auxiliary register, the Auxiliary Register Pointer (ARP) is loaded with a value from 0 through 7 for AR0–AR7, respectively. There are seven types of indirect addressing: auto-increment or auto-decrement, post-indexing by either adding or subtracting the contents of AR0, or single indirect addressing with no increment or decrement and bit-reversal addressing (used in FFTs) with increment or decrement. All operations are performed on the current auxiliary register in the same cycle as the original instruction, followed by anew ARP value being loaded. repeat feature A repeat feature, used with instructions such as multiply/accumulates, block moves, I/O transfers, and table read/writes, allows a single instruction to be performed up to 256 times. The repeat counter (RPTC) is loaded with either a data memory value (RPT instruction) or an immediate value (RPTK instruction) .The value of this operand is one less than the number of times that the next instruction is executed. Those instructions that are normally multicycle are pipelined when using the repeat feature, and effectively become single-cycle instructions. instruction set summary Table 1 lists the symbols and abbreviations used in Table 1, the instruction set summary, Table 2 consists primarily of single-cycle,single-word instructions. Infrequently used branch, I/O, and CALL instructions are multicycle. The instruction set summary is arranged according to function and alphabetized within each functional grouping. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 9 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 instruction set summary (continued) Table 1. Instruction Symbols SYMBOL B CM 10 MEANING 4-bit field specifying a bit code 2-bit field specifying compare mode D Data memory address field F0 Format status bit M Addressing mode bit K Immediate operand field PA Port address (PA0–PA15 are predefined assembler symbols equal to 0 through 15, respectively) PM 2-bit field specifying P register output shift code R 3-bit operand field specifying auxiliary register S 4-bit left-shift code X 3-bit accumulator left-shift field POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Table 2. SMJ320C25 Instruction Set Summary ACCUMULATOR MEMORY REFERENCE INSTRUCTIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 1 1 0 0 1 1 1 0 0 0 0 1 1 0 1 1 Add to accumulator with shift 1 0 0 0 0 M D Add to accumulator with carry 1 0 1 0 0 0 0 1 1 M D ADDH Add to high accumulator 1 0 1 0 0 1 0 0 0 M D ADDK‡ Add to accumulator short immediate 1 1 1 0 0 1 1 0 0 ADDS Add to low accumulator with sign extension suppressed 1 0 1 0 0 1 0 0 1 M D ADDT Add to accumulator with shift specified by T register 1 0 1 0 0 1 0 1 0 M D ADLK† Add to accumulator long immediate with shift 2 1 1 0 1 0 1 0 AND AND with accumulator 1 0 1 0 0 ANDK† AND immediate with accumulator with shift 2 1 1 0 1 CMPL† Complement accumulator 1 1 1 0 0 LAC Load accumulator with shift 1 0 0 1 0 LACK Load accumulator immediate short 1 1 1 0 0 1 0 1 0 LACT† Load accumulator with shift specified by T register 1 0 1 0 0 0 0 1 0 M LALK† Load accumulator long immediate with shift 2 1 1 0 1 0 0 0 0 NEG† Negate accumulator 1 1 1 0 0 1 1 1 0 0 0 1 0 NORM† Normalize contents of accumulator 1 1 1 0 0 1 1 1 0 1 OR OR with accumulator 1 0 1 0 0 1 1 0 1 M ORK† OR immediate with accumulator with shift 2 1 1 0 1 ROL‡ Rotate accumulator left 1 1 1 0 0 1 1 1 0 ROR‡ Rotate accumulator right 1 1 1 0 0 1 1 1 0 SACH Store high accumulator with shift 1 0 1 1 0 1 SACL Store low-order accumulator with shift 1 0 1 1 0 0 SBLK† Subtract from accumulator long immediate with shift 2 1 1 0 1 SFL† Shift accumulator left 1 1 1 0 0 1 1 1 SFR† Shift accumulator right 1 1 1 0 0 1 1 1 SUB Subtract from accumulator with shift 1 0 0 0 1 SUBB‡ Subtract from accumulator with borrow 1 0 1 0 0 1 1 1 SUBC Conditional subtract 1 0 1 0 0 0 1 1 SUBH Subtract from high accumulator 1 0 1 0 0 0 1 SUBK‡ Subtract from accumulator short immediate 1 1 1 0 0 1 SUBS Subtract from low accumulator with sign extension suppressed 1 0 1 0 0 0 ABS Absolute value of accumulator ADD ADDC‡ S S 1 1 1 1 K 0 0 0 0 0 1 0 M 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 1 1 0 0 0 1 0 0 1 1 S D M S S S D K D D D 0 0 0 0 0 1 0 1 0 0 1 1 0 1 0 0 0 0 1 1 0 1 0 1 X M D X M D 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 1 S M D 1 M D 1 M D 0 0 M D 1 0 1 1 0 1 S K M D † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 11 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Table 2. SMJ320C25 Instruction Set Summary (continued) ACCUMULATOR MEMORY REFERENCE INSTRUCTIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 6 5 4 3 SUBT† Subtract from accumulator with shift specified by T register 1 0 1 0 0 0 1 1 0 M D XOR Exclusive-OR with accumulator 1 0 1 0 0 1 1 0 0 M D XORK† Exclusive-OR immediate with accumulator with shift 2 1 1 0 1 ZAC Zero accumulator 1 1 1 0 0 1 0 1 ZALH Zero low accumulator and load high accumulator 1 0 1 0 0 0 0 ZALR‡ Zero low accumulator and load high accumulator with rounding 1 0 1 1 1 1 ZALS Zero accumulator and load low accumulator with sign extension suppressed 1 0 1 0 0 0 2 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 M D 0 1 1 M D 0 0 1 M D 2 1 0 S AUXILIARY REGISTERS AND DATA PAGE POINTER INSTRUCTIONS INSTRUCTION BIT CODE DESCRIPTION NO. WORDS 15 14 13 12 11 10 9 8 ADRK‡ Add to auxiliary register short immediate 1 0 1 1 1 1 1 1 0 CMPR† Compare auxiliary register with auxiliary register AR0 1 1 1 0 0 1 1 1 0 LAR Load auxiliary register 1 0 0 1 1 0 LARK Load auxiliary register short immediate 1 1 1 0 0 0 LARP Load auxiliary register pointer 1 0 1 0 1 0 1 0 1 1 LDP Load data memory page pointer 1 0 1 0 1 0 0 1 0 M LDPK Load data memory page pointer immediate 1 1 1 0 0 1 0 0 LRLK† Load auxiliary register long immediate 2 1 1 0 1 0 MAR Modify auxiliary register 1 0 1 0 1 0 SAR Store auxiliary register 1 0 1 1 1 0 SBRK‡ Subtract from auxiliary register short immediate 1 0 1 1 1 1 MNEMONIC † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. 12 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 7 6 5 4 3 K 0 1 0 1 0 M R K 1 R 1 1 0 0 0 1 R D DP 0 R 0 CM D R 1 0 1 0 0 0 0 M D M D K 0 0 0 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Table 2. SMJ320C25 Instruction Set Summary (continued) T REGISTER, P REGISTER, AND MULTIPLY INSTRUCTIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 0 1 0 1 0 1 APAC Add P register to accumulator 1 1 1 0 0 1 1 1 0 0 LPH† Load high P register 1 0 1 0 1 0 0 1 1 M D LT Load T register 1 0 0 1 1 1 1 0 0 M D LTA Load T register and accumulate previous product 1 0 0 1 1 1 1 0 1 M D LTD Load T register, accumulate previous product, and move data 1 0 0 1 1 1 1 1 1 M D LTP† Load T register and store P register in accumulator 1 0 0 1 1 1 1 1 0 M D LTS† Load T register and subtract previous product 1 0 1 0 1 1 0 1 1 M D MAC† Multiply and accumulate 2 0 1 0 1 1 1 0 1 M D MACD† Multiply and accumulate with data move 2 0 1 0 1 1 1 0 0 M D MPY Multiply (with T register, store product in P register) 1 0 0 1 1 1 0 0 0 M D MPYA‡ Multiply and accumulate previous product 1 0 0 1 1 1 0 1 0 M MPYK Multiply immediate 1 1 0 1 MPYS‡ Multiply and subtract previous product 1 0 0 1 1 1 0 1 1 M MPYU‡ Multiply unsigned 1 1 1 0 0 1 1 1 1 M PAC Load accumulator with P register 1 1 1 0 0 1 1 1 0 0 0 0 1 0 1 0 0 SPAC Subtract P register from accumulator 1 1 1 0 0 1 1 1 0 0 0 0 1 0 1 1 0 SPH‡ Store high P register 1 0 1 1 1 1 1 0 1 M SPL‡ Store low P register 1 0 1 1 1 1 1 0 0 M SPM† Set P register output shift mode 1 1 1 0 0 1 1 1 0 0 SQRA† Square and accumulate 1 0 0 1 1 1 0 0 1 M D SQRS† Square and subtract previous product 1 0 1 0 1 1 0 1 0 M D D K D D D D 0 0 0 1 0 PM † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 13 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Table 2. SMJ320C25 Instruction Set Summary (continued) BRANCH/CALL INSTRUCTIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 2 1 1 1 1 1 1 1 1 1 Branch to address specified by accumulator 1 1 1 0 0 1 1 1 0 0 Branch on auxiliary register not zero 2 1 1 1 1 1 0 1 1 1 D Branch if TC bit ≠ 0 2 1 1 1 1 1 0 0 1 1 D Branch if TC bit = 0 2 1 1 1 1 1 0 0 0 1 D Branch on carry 2 0 1 0 1 1 1 1 0 1 D Branch if accumulator ≥ 0 2 1 1 1 1 0 1 0 0 1 D BGZ Branch if accumulator > 0 2 1 1 1 1 0 0 0 1 1 D BIOZ Branch on I/O status = 0 2 1 1 1 1 1 0 1 0 1 D BLEZ Branch if accumulator ≤ 0 2 1 1 1 1 0 0 1 0 1 D BLZ Branch if accumulator < 0 2 1 1 1 1 0 0 1 1 1 D BNC‡ Branch on no carry 2 0 1 0 1 1 1 1 1 1 D BNV† Branch if no overflow 2 1 1 1 1 0 1 1 1 1 D BNZ Branch if accumulator ≠ 0 2 1 1 1 1 0 1 0 1 1 D BV Branch on overflow 2 1 1 1 1 0 0 0 0 1 D BZ Branch if accumulator = 0 2 1 1 1 1 0 1 1 0 1 CALA Call subroutine indirect 1 1 1 0 0 1 1 1 0 0 CALL Call subroutine 2 1 1 1 1 1 1 1 0 1 RET Return from subroutine 1 1 1 0 0 1 1 1 0 0 B Branch unconditionally BACC† BANZ BBNZ† BBZ† BC‡ BGEZ 6 5 4 3 2 1 0 1 0 1 1 0 0 D 0 1 0 0 D 0 1 0 0 0 1 0 0 1 1 0 4 3 2 1 0 1 1 FO D I/O AND DATA MEMORY OPERATIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 2 1 1 1 0 1 1 0 1 M D 2 1 1 1 1 1 1 0 0 M D Data move in data memory 1 0 1 0 1 0 1 1 0 M Format serial port registers 1 1 1 0 0 1 1 1 0 0 IN Input data from port 1 1 0 0 0 PA M OUT Output data to port 1 1 1 1 0 PA M RFSM‡ Reset serial port frame synchronization mode 1 1 1 0 0 1 1 1 0 0 0 1 1 D 0 1 1 0 RTXM† Reset serial port transmit mode 1 1 1 0 0 1 1 1 0 0 0 1 0 0 0 0 0 RXF† Reset external flag 1 1 1 0 0 1 1 1 0 0 0 0 0 1 1 0 0 SFSM‡ Set serial port frame synchronization mode 1 1 1 0 0 1 1 1 0 0 0 1 1 0 1 1 1 STXM† Set serial port transmit mode 1 1 1 0 0 1 1 1 0 0 0 1 0 0 0 0 1 SXF† Set external flag 1 1 1 0 0 1 1 1 0 0 0 0 0 1 1 0 1 TBLR Table read 1 0 1 0 1 1 0 0 0 M D TBLW Table write 1 0 1 0 1 1 0 0 1 M D BLKD† Block move from data memory to data memory BLKP† Block move from program memory to data memory DMOV FORT† † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. 14 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 6 5 D 0 0 0 1 D SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 Table 2. SMJ320C25 Instruction Set Summary (concluded) CONTROL INSTRUCTIONS MNEMONIC INSTRUCTION BIT CODE NO. WORDS DESCRIPTION 15 14 13 12 11 10 9 8 7 1 1 1 0 0 0 1 1 0 1 0 M D 1 1 1 M D 1 1 1 0 0 1 1 1 0 0 0 0 0 Configure block as program memory Disable interrupt 1 1 1 1 1 0 1 0 0 1 1 1 0 0 0 0 0 1 1 1 0 0 0 0 EINT Enable interrupt IDLE† 1 1 1 0 0 1 1 1 0 0 0 LST Idle until interrupt Load status register STO 1 1 1 0 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 0 M LST1† Load status register ST1 1 D 0 1 0 1 0 0 0 1 M D NOP POP No operation Pop top of stack to low accumulator 1 0 1 0 1 0 1 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 0 0 0 1 POPD† Pop top of stack to data memory PSHD† 1 0 1 1 1 1 0 1 0 M PUSH Push data memory value onto stack 1 0 1 0 1 0 1 0 0 M Push low accumulator onto stack 1 1 1 0 0 1 1 1 0 0 0 0 1 RC‡ Reset carry bit 1 1 1 0 0 1 1 1 0 0 0 1 RHM‡ Reset hold mode 1 1 1 0 0 1 1 1 0 0 0 ROVM Reset overflow mode 1 1 1 0 0 1 1 1 0 0 0 RPT† Repeat instruction as specified by data memory value 1 0 1 0 0 1 0 1 1 M RPTK† Repeat instruction as specified by immediate value 1 1 1 0 0 1 0 1 1 RSXM† Reset sign-extension mode 1 1 1 0 0 1 1 1 0 0 0 0 0 RTC‡ Reset test/control flag 1 1 1 0 0 1 1 1 0 0 0 1 SC‡ Set carry bit 1 1 1 0 0 1 1 1 0 0 0 1 SHM‡ Set hold mode 1 1 1 0 0 1 1 1 0 0 0 SOVM Set overflow mode 1 1 1 0 0 1 1 1 0 0 0 SST Store status register ST0 1 0 1 1 1 1 0 0 0 M SST1† Store status register ST1 1 0 1 1 1 1 0 0 1 M SSXM† Set sign-extension mode 1 1 1 0 0 1 1 1 0 0 0 0 0 STC‡ Set test/control flag 1 1 1 0 0 1 1 1 0 0 0 1 1 TRAP† Software interrupt 1 1 1 0 0 1 1 1 0 0 0 0 1 BIT† Test bit BITT† Test bit specified by T register CNFD† Configure block as data memory CNFP† DINT B 6 5 4 3 2 1 0 0 1 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 1 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 1 0 1 0 0 0 1 1 1 1 0 0 1 0 0 0 0 1 1 0 1 1 1 0 0 1 1 1 1 1 0 D D D K D D † These instructions are not included in the TMS320C1x instruction set. ‡ These instructions are not included in the TMS32020 instruction set. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 15 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 development systems and software support Texas Instruments offers concentrated development support and complete documentation for designing an SMJ320C25-based microprocessor system. When developing an application, tools are provided to evaluate the performance of the processor, to develop the algorithm implementation, and to fully integrate the design’s software and hardware modules. When questions arise, additional support can be obtained by calling the nearest Texas Instruments Regional Technology Center (RTC). Sophisticated development operations are performed with the SMJ320C25 Macro Assembler/linker, Simulator, and Emulator (XDS). The macro assembler and linker are used to translate program modules into object code and link them together. This puts the program modules into a form which can be loaded into the SMJ320C25 Simulator or Emulator. The simulator provides a quick means for initially debugging SMJ320C25 software while the emulator provides the real-time in-circuit emulation necessary to perform system level debug efficiently. Table 3 gives a complete list of SMJ320C25 software and hardware development tools. Table 3. SMJ/SMJ320C25 Software and Hardware Support MACRO ASSEMBLERS/LINKERS Host Computer Operating System Part Number DECVAX VMS TMDS324210-08 TI/IBM PC MS/PC-DOS TMDS3242810-02 SIMULATORS Host Computer Operating System Part Number DECVAX VMS TMDS3242211-08 TI/IBM PC MS/PC-DOS TMDS3242811-02 EMULATORS 16 Model Power Supply Part Number XDS/22 Included TMDS3262221 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 7 V Input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 7 V Output voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 7 V Continuous power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 W Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°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. † All voltage values are with respect to VSS. recommended operating conditions‡ SMJ320C25-50 VCC VSS VIH VIL IOH IOL Supply voltage MIN NOM MAX MIN NOM MAX 4.75 5 5.25 4.5 5 5.5 Supply voltage High le el inp High-level inputt voltage oltage SMJ320C25 0 0 READY 3.00 2.35 D15–D0 2.20 2.20 FSX 2.20 2.30 CLKR, CLKX 3.50 3.50 CLKIN 4.00 3.50 All others 3.00 UNIT V V V 3.00 D15–D0, FSX, CLKIN, CLKR, CLKX 0.80 0.80 HOLD 0.70 0.70 All others 0.80 0.70 High-level output current 300 300 mA Low-level output current 2 2 mA 125 °C Low-level Low level in input ut voltage TC Operating case temperature –55 125 –55 ‡ TC MAX at maximum rated operating conditions at any point on case TC MIN at initial (time zero) power up V This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C, Method 3015; however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level, preferably either VCC or ground. Specific guidelines for handling devices of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 17 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 electrical characteristics over specified free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SMJ320C25, SMJ320C25-50 MIN VOH VOL High-level output voltage Low-level output voltage VCC = MIN, IOH = MAX VCC = MIN, IOL = MAX IZ Three-state current VCC = MAX II Input current ICC S ppl current Supply c rrent Ci Input capacitance 24 VI = VSS to VCC UNIT MAX 3 V 0.3 X2/CLKIN All other pins TYP§ 0.6 V –20 20 mA –20 20 –10 10 Normal A mA 185 VCC = MAX MAX, fx = MAX Idle/R5L5 100 Co Output capacitance § All typical values are at VCC = 5 V, TA = 25°C mA 15 pF 15 pF CLOCK CHARACTERISTICS AND TIMING The SMJ320C25 can use either its internal oscillator or an external frequency source for a clock. internal clock option The internal oscillator is enabled by connecting a crystal across X1 and X2/CLKIN (see Figure 2). The frequency of CLKOUT1 is one-fourth the crystal fundamental frequency. The crystal should be either fundamental or overtone mode, and parallel resonant, with an effective series resistance of 30 Ω, a power dissipation of 1 mW, and be specified at a load capacitance of 20 pF. Note that overtone of crystals require an additional tuned LC circuit (see the application report, Hardware Interfacing to the TMS320C25). SMJ320C25-50 PARAMETER TEST CONDITIONS MIN 6.7† fx Input clock frequency TA = – 55°C MIN C1, C2 TC = 125°C MAX † These values are derived from characterization data and are not tested. X1 TYP Crystal C2 Figure 2. Internal Clock Options 18 POST OFFICE BOX 1443 MAX 50.0 10 X2/CLKIN C1 SMJ320C25 • HOUSTON, TEXAS 77251–1443 MIN 6.7† TYP MAX 40.0 10 UNIT MHz pF SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 external clock option An external frequency source can be used by injecting the frequency directly into X2/CLKIN with X1 left unconnected. The external frequency injected must conform to the specifications listed in the following table. switching characteristics over recommended operating conditions (see Note 1) SMJ320C25-50 PARAMETER tc(C) td(CIH–C) Cycle time, CLKOUT1/CLKOUT2 SMJ320C25 MAX MIN 80 600 100 600 ns 5 28 5 30 (1S Q–6 Q+3 Q–6 Q+6 ns Delay time, CLKIN high to CLKOUT1/CLKOUT2/STRB high/low NOM MAX UNIT MIN Delay time, CLKOUT1 high to CLKOUT2 low, td(C1–C2) tf(C) tr(C) Delay time, CLKOUT2 high to CLKOUT1 high, etc. Q Fall time, CLKOUT1/CLKOUT2/STRB 5 5 ns Rise time, CLKOUT1/CLKOUT2/STRB 3 5 ns tw(CL) Pulse duration, CLKOUT1/CLKOUT2 low tw(CH) Pulse duration, CLKOUT1/CLKOUT2 high † .This parameter is not production tested NOTE 1: Q = 1/4tc(C) 2Q – 7 2Q + 5 2Q – 8 2Q 2Q + 8 ns 2Q – 5 2Q + 7 2Q – 8 2Q 2Q + 8 ns timing requirements over recommended operating conditions (see Note 1 ) SMJ320C25-50 SMJ320C25 MIN MAX MIN MAX 20 150 UNIT tc(CI) tw(CIL) Cycle time, CLKIN 25 150 ns Pulse duration, CLKIN low, tc(CI) = 25 ns (see Note 2) 8 10 15 ns tw(CIH) tsu(S) Pulse duration, CLKIN high, tc(CI) = 25 ns (see Note 2) 8 10 15 ns Setup time, SYNC before CLKIN low 4 5 Q–5 ns Q–4 th(S) Hold time, SYNC from CLKIN low 4 8 ns NOTES: 1: Q = 1/4tc(C) 2. Rise and fall times, assuming a 40–60% duty cycle, are incorporated within this specification CLKIN rise and fall times must be less than 5 ns Figure 3. Test Load Circuit POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 19 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 2.0 V VIH (Min) 1.88 V 0.92 V VIL (Max) 0.80 V 2.4 V VOH (Min) 2.2 V 0.8 V VOL (Max) 0.6 V 0 0 (a) Input (b) Output Figure 4. Voltage Reference Levels switching characteristics over recommended operating conditions (see Note 1) SMJ320C25-50 PARAMETER td(C1–S) STRB from CLKOUT1 (if STRB is present) td(C2–S) CLKOUT2 to STRB (if STRB is present) SMJ320C25 MAX MIN TYP MAX Q–5 Q+3 Q–6 Q Q+6 ns –2 5 –6 0 6 ns tsu(A) th(A) Address setup time before STRB low (see Note 3) tw(SL) tw(SH) STRB low pulse duration (no wait states, see Note 4) 2Q – 5 2Q + 5 2Q – 5 STRB high pulse duration (between consecutive cycles, see Note 4) 2Q – 5 2Q + 5 2Q – 5 Address hold time after STRB high (see Note 3) tsu(D)W Data write setup time before STRB high (no wait states) th(D)W Data write hold time from STRB high ten(D) tdis(D) Data bus starts being driven after STRB low (write cycle) Q – 13 Q – 12 ns Q–4 Q–8 ns 2Q – 17 2Q – 20 Q–5 0† Q – 10 0† Q + 15† Data bus three-state after STRB high (write cycle) td(MSC) MSC valid from CLKOUT1 † These values are derived from characterization data and not tested. UNIT MIN –5 10 –10 2Q 2Q + 5 ns 2Q + 5 ns ns Q ns ns Q Q + 15† ns 0 10 ns timing requirements over recommended operating conditions (see Note 1) SMJ320C25-50 MIN MAX SMJ320C25 MIN Access time, read data from address time (read cycle, see Notes 3 and 5) th(D)R td(SL–R) Hold time, data read from STRB high td(C2H–R) th(SL–R) Delay time, READY valid after CLKOUT2 high Hold time, READY after STRB low (no wait states) Q–1 Q+3 ns th(C2H–R) td(M–R) Hold time, READY after CLKOUT2 high Q–1 Q+3 ns 17 23 0 Delay time, READY valid after STRB low (no wait states) 3Q – 35 UNIT ta(A) tsu(D)R Setup time, data read before STRB high 3Q – 31 MAX Q – 21 Delay time, READY valid after MSC valid ns 0 Q – 20 2Q – 25 ns ns Q – 20 ns Q – 20 ns 2Q – 25 ns th(M–R) Hold time, READY after MSC valid 0 0 ns NOTES: 1: 0 = 1/4tc(C) 3. A15–A0, PS, DS, IS, R/W, and BR timings are all included in timings referenced as ”address” 4. Delays between CLKOUT1 /CLKOUT2 edges and STRB edges track each other, resulting in tw(SL) and tw(SH) being 2Q with no wait states. 5. Read data access time is defined as ta(A) = tsu(A) + tw(SL) – tsu(D)R + tr(C). 20 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 RS, INT, BIO, and XF timing switching characteristics over recommended operating conditions (see Note 1) SMJ320C25-50 PARAMETER td(RS) Delay time, CLKOUT1 low to reset state entered td(IACK) Delay time, CLKOUT1 to IACK valid td(XF) Delay time, XF valid before falling edge of STRB SMJ320C25 MIN TYP MAX 22† MIN TYP MAX 22† –5† 0 7 –8† 0 8 Q – 10 Q – 12 UNIT ns ns ns timing requirements over recommended operating conditions (see Note 1) SMJ320C25-50 MIN tsu(IN) th(IN) Setup time, INT/BIO/RS before CLKOUT1 high tw(IN) tw(RS) Pulse duration, INT/BIO low SMJ320C25 MAX MIN 25 UNIT 32 ns 0 0 ns tc(C) 3tc(C) tc(C) 3tc(C) ns Hold time, INT/BIO/RS after CLKOUT1 high Pulse duration, RS low MAX ns switching characteristics over recommended operating conditions (see Note 1) SMJ320C25-50 PARAMETER td(C1L-AL) tdis(AL-A) MIN –1 Delay time, HOLDA low after CLKOUT1 low TYP Disable time, HOLDA low to address three-state SMJ320C25 MAX MIN 11 –1 TYP 10 0 tdis(C1L-A) Disable time, address three-state after CLKOUT1 low (HOLD mode, see Note 7 ) td(HH-AH) ten(A-C1L) MAX 0 UNIT ns ns 20† 20† ns Delay time, HOLD high to HOLDA high 19 25 ns Enable time, address driven before CLKOUT1 low (HOLD mode, see Note 7 ) 8† 8† ns timing requirements over recommended operating conditions (see Note 1) SMJ320C25-50 MIN MAX SMJ320C25 UNIT MIN UNIT MAX td(C2H-H) Delay time, HOLD valid after CLKOUT2 high Q – 19 Q – 24 ns † These values are derived from characterization data and not tested. NOTES: 1. Q = 1/4tc(C) 6. RS, INT, and BIO are asynchronous inputs and can occur at any time during a clock cycle. However, if the specified setup time is met, the exact sequence shown in the timing diagram occurs. INT/BIO fall time must be less than 8 ns. 7. A15–A0, PS, DS, IS, STRB, and R/W timings are all included in timings referenced as ’”address”. POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 21 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 serial port timing switching characteristics over recommended operating conditions (see Note 1) SMJ320C25-50 PARAMETER MIN MAX SMJ320C25 MIN MAX UNIT td(CH-DX) td(FL-DX) Delay time, DX valid after CLKX rising edge (see Note 8) 75 80 ns Delay time, DX valid after FSX falling edge (TXM = 0. see Note 8) 40 45 ns td(CH-FS) FSX valid after CLKX rising edge (TXM = 1 ) 40 45 ns timing requirements over recommended operating conditions (see Note 1) SMJ320C25-50 MIN SMJ320C25 MAX MIN MAX UNIT fsx tc(SCK) Serial port frequency 1.25 6250 1.25 5000 Serial port clock (CLKX/CLKR) cycle time 160 800 000 200 800 000 tw(SCK1 tw(SCK) Serial port clock (CLKX/CLKR) low pulse duration (see Note 9) 64 80 ns Serial port clock (CLKX/CLKR) high pulse duration (see Note 9) 64 80 ns tsu(FS) th(FS) FSX/FSR setup time before CLKX/CLKR falling edge (TXM = 0) tsu(DR) th(DR) OR setup time before CLKR falling edge FSX/FSR hold time after CLKX/CLKR falling edge (TXM = 0) OR hold time after CLKR falling edge kHz ns 5 18 ns 10 20 ns 5 10 ns 10 20 ns NOTES: 1: Q = 1/4tc(C) 8. The last occurrence of FSX falling and CLKX rising. 9. The duty cycle of the serial port clock must be within 40–60% .Serial port clock (CLKX/CLKR) rise and fall times must be less than 25 ns. 22 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 TIMING DIAGRAMS Timing measurements are referenced to and from a low voltage of 0.8 V and a high voltage of 2.2 V with the exception of CLKOUT1, CLKOUT2, and STRB timing that are referenced from a falling edge low voltage of 1.1 V and a rising edge low voltage of 2.2 V. tc(CI) tf(CI) tr(CI) X/2CLKIN tw(CIH) th(S) tsu(S) tw(CIL) tsu(S) SYNC tc(C) tw(CL) td(CIH-C) td(CIH-C) CLKOUT1 tw(CH) tr(C) td(CIH-C) tf(C) STRB td(CIH-C) tc(C) tw(CL) CLKOUT2 td(C1-C2) td(C1-C2) td(C1-C2) tf(C) tr(C) tw(CH) td(C1-C2) Figure 5. Clock Timing POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 23 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 td(C1-S) CLKOUT1 td(C1-S) CLKOUT2 td(C2-S) td(C2-S) STRB tw(SH) tsu(A) th(A) tw(SL) A15-A0, BR, PS, DS or IS Valid ta(A) R/W td(SL-R) tsu(D)R READY th(SL-R) D15-D0 th(D)R Data In Figure 6. Memory Read Timing 24 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 CLKOUT2 STRB th(A) tsu(A) A15-A0, BR, PS, DS or IS Valid R/W READY tsu(D)W D15-D0 th(D)W Data Out ten(D) tdis(D) Figure 7. Memory Write Timing POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 25 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 CLKOUT2 STRB th(C2H-R) A15-A0, BR, PS, DS, R/W or IS Valid td(C2H-R) th(C2H-R) td(C2H-R) READY td(M-R) D15-D0 (For Read Operation) th(M-R) th(M-R) td(M-R) Data In D15-D0 (For Write Operation) Data Out td(MSC) td(MSC) MSC Figure 8. One Wait-State Memory Access Timing 26 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 tsu(IN) td(RS) tsu(IN) th(IN) RS tw(RS) A15-A0 Valid Fetch Location 0 D15-D0 Valid PS Begin Program Execution STRB Control Signals† IACK Serial Port Control‡ † Control signals are DS, IS, R/W, and XF. ‡ Serial port controls are DX and FSX. Figure 9. Reset Timing POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 27 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 STRB tsu(IN) th(IN) tw(IN) INT2-INT0 td(IACK) tf(IN) A15-A0 FETCH N FETCH N + 1 FETCH I FETCH I + 1 td(IACK) IACK Figure 10. Interrupt Timing CLKOUT1 STRB FETCH Branch Address FETCH BIOZ A15-A0 PC = N PC = N + 1 PC = N + 2 or Branch Address tsu(IN) th(IN) BIO Valid Figure 11. BIO Timing 28 FETCH Next Instruction POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 STRB td(XF) A15-A0 FETCH SXF/RXF Valid Valid Valid PC = N PC = N + 1 PC = N + 2 PC = N + 3 XF Valid Figure 12. External Flag Timing POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 29 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 CLKOUT2 STRB td(C2H-H)† HOLD A15-A0 N N+1 PS, DS, or IS Valid Valid N+2 R/W tdis(C1L-A) In D15-D0 In tdis(AL-A) HOLDA td(C1L-AL) FETCH N N+1 – – N–2 N –1 N – EXECUTE † HOLD is an asynchronous input and can occur at any time during a clock cycle. If the specified timing is met, the exact sequence shown occurs; otherwise, a delay of one CLKOUT2 cycle occurs. Figure 13. HOLD Timing (part A) 30 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 CLKOUT1 CLKOUT2 ten(A-C1L) STRB td(C2H-H)† HOLD Valid PS, DS, or IS R/W In D15-D0 td(HH-AH) HOLDA A15-A0 FETCH N+2 – – – N+2 N+2 – – – N+1 EXECUTE † HOLD is an asynchronous input and can occur at any time during a clock cycle. If the specified timing is met, the exact sequence shown occurs; otherwise, a delay of one CLKOUT2 cycle occurs. Figure 14. HOLD Timing (part B) POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 31 SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 tc(SCK) tr(SCK) tw(SCK) CLKR th(DR) tf(SCK) th(FS) tw(SCK) FSR tsu(FS) tsu(DR) DR Figure 15. Serial Port Receive Timing tc(SCK) tr(SCK) tw(SCK) CLKX td(CH-DX) tf(SCK) tw(SCK) th(FS) FSX (Input, TXM = 0) tsu(FS) td(CH-DX) td(FL-DX) N=1 DX td(CH-FS) td(CH-FS) FSX (Output, TXM = 1) Figure 16. Serial Port Transmit Timing 32 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 N = 8,16 PACKAGE OPTION ADDENDUM www.ti.com 25-Sep-2013 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish (2) MSL Peak Temp Op Temp (°C) (3) Device Marking (4/5) 5962-8861901XA ACTIVE CPGA GB 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901XA SMJ320C25GBM 5962-8861901YA ACTIVE LCCC FD 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901YA SMJ320C25FDM 5962-8861901ZA ACTIVE JLCC FJ 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901ZA SMJ320C25FJM 5962-8861902XA ACTIVE CPGA GB 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861902XA SMJ320C25-50GB M 5962-8861902ZA ACTIVE JLCC FJ 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861902ZA SMJ320C25-50FJ M SM320C25GBM ACTIVE CPGA GB 68 1 TBD Call TI N / A for Pkg Type -55 to 125 SM320C25GBM SMJ320C25-50FJM ACTIVE JLCC FJ 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861902ZA SMJ320C25-50FJ M SMJ320C25-50GBM ACTIVE CPGA GB 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861902XA SMJ320C25-50GB M SMJ320C25FDM ACTIVE LCCC FD 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901YA SMJ320C25FDM SMJ320C25FJM ACTIVE JLCC FJ 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901ZA SMJ320C25FJM SMJ320C25GBM ACTIVE CPGA GB 68 1 TBD Call TI N / A for Pkg Type -55 to 125 5962-8861901XA SMJ320C25GBM (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. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 25-Sep-2013 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. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. 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OTHER QUALIFIED VERSIONS OF SMJ320C25 : • Catalog: TMS320C25 NOTE: Qualified Version Definitions: • Catalog - TI's standard catalog product Addendum-Page 2 MECHANICAL DATA MCPG023A – OCTOBER 1997 – REVISED DECEMBER 2001 GB (S-CPGA-P68) CERAMIC PIN GRID ARRAY 0.970 (24,63) 0.950 (24,13) 0.536 (13,61) 0.800 (20,32) TYP 0.524 (13,31) J H G F E D C B A1 Corner A 1 2 3 4 5 6 7 8 9 Bottom View 0.088 (2,23) 0.072 (1,83) 0.100 (2,54) 0.194 (4,98) 0.166 (4,16) 0.055 (1,39) 0.045 (1,14) 0.050 (1,27) DIA 4 Places 0.018 (0,46) DIA TYP 4040114-14/D 11/01 NOTES: A. B. C. D. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. Index mark may appear on top or bottom depending vendor. Pins are located within 0.010 (0,25) diameter of true position relative to each other at maximum material condition and within 0.030 (0,76) diameter relative to the edges of the ceramic. E. This package can be hermetically sealed with metal lids or with ceramic lids using glass frit. F. The pins can be gold plated or solder dipped. G. Falls within MIL STD 1835 CMGA1-PN, CMGA13-PN and JEDEC MO-067 AA, MO-066 AA respectively POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. 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