Freescale Semiconductor, Inc. Addendum HC908JB8AD/D Rev. 0, 4/2002 Freescale Semiconductor, Inc... Addendum to MC68HC908JB8 Technical Data This addendum provides additional information to the MC68HC908JB8 Technical Data, Rev. 2 (Motorola document number MC68HC908JB8/D), MC68HC08JB8A The MC68HC08JB8A is the ROM part equivalent to the MC68HC908JB8. The entire MC68HC908JB8 data book apply to this ROM device, with exceptions outlined in this addendum. Table 1. Summary of MC68HC08JB8A and MC68HC908JB8 Differences MC68HC08JB8A MC68HC908JB8 Memory ($DC00–$FBFF) 8,192 bytes ROM 8,192 bytes FLASH User vectors ($FFF0–$FFFF) 16 bytes ROM 16 bytes FLASH Registers at $FE08 and $FF09 Not used; locations are reserved. FLASH related registers. $FE08 — FLCR $FF09 — FLBPR Monitor ROM ($FC00–$FDFF and $FE10–$FFDF) $FC00–$FDFF: Not used. $FE10–$FFDF: Used for testing purposes only. Used for testing and FLASH programming/erasing. OSC1 and OSC2 pins VDD level (5V logic) VREG level (3.3V logic) MCU Block Diagram Figure 1 shows the block diagram of the MC68HC08JB8A. Memory Map The MC68HC08JB8A has 8,192 bytes of user ROM from $DC00 to $FBFF, and 16 bytes of user ROM vectors from $FFF0 to $FFFF. On the MC68HC908JB8, these memory locations are FLASH memory. Figure 2 shows the memory map of the MC68HC08JB8A. For More Information On This Product, Go to: www.freescale.com OSC1 Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com VSS VDD IRQ RST VREG (3.3 V) (1), (3) (1), (2) (1) OSC2 (1) ARITHMETIC/LOGIC UNIT (ALU) LS USB TRANSCEIVER PTE0/TCLK (3) PTE1/TCH0 (3) PTE2/TCH1 (3) PTE3/D+ (3) (4) (5) PTE4/D– (3) (4) (5) PTD1–PTD0 (4) (6) PTD7–PTD6 (4) PTD5–PTD2 (4) (5) PTC7–PTC0 (3) : PTA0/KBA0 (3) PTA7/KBA7 (3) PTB7–PTB0 (3) Shaded blocks indicate differences to MC68HC908JB8 (1) Pins have 5V logic. (2) Pins have integrated pullup device. (3) Pins have software configurable pull-up device. (4) Pins are open-drain when configured as output. (5) Pins have 10mA sink capability. (6) Pins have 25mA sink capability. USB ENDPOINT 0, 1, 2 USB MODULE COMPUTER OPERATING PROPERLY MODULE POWER-ON RESET MODULE LOW VOLTAGE INHIBIT MODULE BREAK MODULE TIMER INTERFACE MODULE KEYBOARD INTERRUPT MODULE INTERNAL BUS Figure 1. MC68HC08JB8A Block Diagram INTERNAL VOLTAGE REGULATOR POWER IRQ MODULE SYSTEM INTEGRATION MODULE OSCILLATOR USER ROM VECTORS — 16 BYTES MONITOR ROM — 464 BYTES USER RAM — 256 BYTES USER ROM — 8,192 BYTES CONTROL AND STATUS REGISTERS — 64 BYTES CPU REGISTERS M68HC08 CPU DDRA DDRB DDRC DDRD DDRE PTA PTB PTC PTD PTE Freescale Semiconductor, Inc... Freescale Semiconductor, Inc. HC908JB8AD/D Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... HC908JB8AD/D MC68HC08JB8A $0000 ↓ $003F I/O Registers 64 Bytes $0040 ↓ $013F RAM 256 Bytes $0140 ↓ $DBFF Unimplemented 56,000 Bytes $DC00 ↓ $FBFF ROM 8,192 Bytes $FC00 ↓ $FDFF Unimplemented 512 Bytes $FE00 Break Status Register (BSR) $FE01 Reset Status Register (RSR) $FE02 Reserved $FE03 Break Flag Control Register (BFCR) $FE04 Interrupt Status Register 1 (INT1) $FE05 Reserved $FE06 Reserved $FE07 Reserved $FE08 Reserved $FE09 Reserved $FE0A Reserved $FE0B Reserved $FE0C Break Address High Register (BRKH) $FE0D Break Address Low Register (BRKL) $FE0E Break Status and Control Register (BRKSCR) $FE0F Reserved $FE10 ↓ $FFDF Monitor ROM 464 Bytes $FFE0 ↓ $FFEF Reserved 16 Bytes $FFF0 ↓ $FFFF ROM Vectors 16 Bytes Figure 2. MC68HC08JB8A Memory Map Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. HC908JB8AD/D Reserved Registers The two registers at $FE08 and $FE09 are reserved locations on the MC68HC08JB8A. Freescale Semiconductor, Inc... On the MC68HC908JB8, these two locations are the FLASH control register and the FLASH block protect register respectively. Monitor ROM The monitor program (monitor ROM: $FE10–$FFDF) on the MC68HC08JB8A is for device testing only. $FC00–$FDFF are unused. Electrical Specifications Electrical specifications for the MC68HC908JB8 apply to the MC68HC08JB8A, except for the parameters indicated below. DC Electrical Characteristics Table 2. DC Electrical Characteristics Characteristic(1) Symbol Min Typ(2) Max Unit Regulator output voltage VREG 3.0 3.3 3.6 V Output high voltage (ILoad = –2.0 mA) PTA0–PTA7, PTB0–PTB7, PTC0–PTC7, PTE0–PTE2 VOH VREG –0.8 — — V Output low voltage (ILoad = 1.6 mA) All I/O pins (ILoad = 25 mA) PTD0–PTD1 in ILDD mode (ILoad = 10 mA) PTE3–PTE4 with USB disabled VOL — — — — — — 0.4 0.5 0.4 Input high voltage All ports, OSC1 IRQ, RST VIH 0.7 × VREG 0.7 × VDD — — VREG VDD V Input low voltage All ports, OSC1 IRQ, RST VIL VSS VSS — — 0.3 × VREG 0.3 × VDD V Output low current (VOL = 2.0 V) PTD2–PTD5 in LDD mode IOL 12 (17) 17 (22) 22 (27) mA — — — — 6.0 (5.0) 5.5 (4.5) 4.0 (3.0) 3.0 (2.5) 7.5 6.5 5.0 4.0 mA mA mA mA — 30 100 µA V VDD supply current, VDD = 5.25V, fOP = 3MHz Run, with low speed USB(3) Run, with USB suspended(3) Wait, with low speed USB(4) Wait, with USB suspended(4) Stop(5) 0 °C to 70°C IDD Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. HC908JB8AD/D MC68HC08JB8A Table 2. DC Electrical Characteristics Freescale Semiconductor, Inc... Characteristic(1) Symbol Min Typ(2) Max Unit I/O ports Hi-Z leakage current IIL — — ± 10 µA Input current IIN — — ±1 µA Capacitance Ports (as input or output) COut CIn — — — — 12 8 pF POR re-arm voltage(6) VPOR 0 — 100 mV POR rise-time ramp rate(7) RPOR 0.035 — — V/ms Monitor mode entry voltage VDD+VHI 1.4 × VDD 2 × VDD V Pullup resistors Port A, port B, port C, PTE0–PTE2, RST, IRQ PTE3–PTE4 (with USB module disabled) D– (with USB module enabled) RPU LVI reset VLVR 25 4 1.2 40 5 1.5 55 6 2.0 kΩ 2.8 (2.4) 3.3 (2.7) 3.8 (3.0)(8) V 1. VDD = 4.0 to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH, unless otherwise noted. 2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only. 3. Run (operating) IDD measured using external square wave clock source (fXCLK = 6 MHz). All inputs 0.2 V from rail. No dc loads. Less than 100 pF on all outputs. CL = 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly affects run IDD. Measured with all modules enabled. 4. Wait IDD measured using external square wave clock source (fXCLK = 6 MHz); all inputs 0.2 V from rail; no dc loads; less than 100 pF on all outputs. CL = 20 pF on OSC2; 15 kΩ ± 5% termination resistors on D+ and D– pins; all ports configured as inputs; OSC2 capacitance linearly affects wait IDD 5. STOP IDD measured with USB in suspend mode; OSC1 grounded; transceiver pullup resistor of 1.5 kΩ ± 5% between VREG and D– pins and 15 kΩ ± 5% termination resistor on D+ pin; no port pins sourcing current. 6. Maximum is highest voltage that POR is guaranteed. 7. If minimum VREG is not reached before the internal POR reset is released, RST must be driven low externally until minimum VREG is reached. 8. The numbers in parenthesis are MC68HC08JB8 (non-A part) values. Memory Characteristics Table 3. Memory Characteristics Characteristic RAM data retention voltage Symbol Min Max Unit VRDR 1.3 — V Notes: Since MC68HC08JB8A is a ROM device, FLASH memory electrical characteristics do not apply. Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. HC908JB8AD/D MC68HC08JB8A Order Numbers These part numbers are generic numbers only. To place an order, ROM code must be submitted to the ROM Processing Center (RPC). Table 4. MC68HC08JB8A Order Numbers Package Operating temperature range MC68HC08JB8AJP 20-pin PDIP 0 °C to +70 °C MC68HC08JB8AJDW 20-pin SOIC 0 °C to +70 °C MC68HC08JB8AADW 28-pin SOIC 0 °C to +70 °C MC68HC08JB8AFB 44-pin QFP 0 °C to +70 °C Freescale Semiconductor, Inc... MC order number MC68HC08JB8A and MC68HC08JB8 Differences The MC68HC08JB8A and MC68HC08JB8 are identical devices, except for the following: Table 5. MC68HC08JB8A and MC68HC08JB8 Differences MC68HC08JB8A OSC1 and OSC2 pins VDD level (5V logic) Output low current on PTD2–PTD5 in LDD mode Operating IDD currents MC68HC08JB8 VREG level (3.3V logic) See Table 2 . DC Electrical Characteristics. The numbers in parenthesis are MC68HC08JB8 values. LVI trip points Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. HC908JB8AD/D NOTES Freescale Semiconductor, Inc... NOTES Addendum to MC68HC908JB8 Technical Data For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc... Freescale Semiconductor, Inc. Home Page: www.freescale.com email: [email protected] USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, CH370 1300 N. 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HC908JB8AD/D Rev. 0 4/2003 For More Information On This Product, Go to: www.freescale.com