MC68HC08JK8CP FREESCALE [Freescale Semiconductor, Inc], MC68HC08JK8CP Datasheet - Page 2

• Manufacturer Part Number: MC68HC08JK8CP
• Description: Addendum to MC68HC908JL8 Technical Data
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

HC908JL8AD/D
MCU Block Diagram
Memory Map
¥
OSC2/RCCLK
CONTROL AND STATUS REGISTERS — 64 BYTES
REGISTERS
* RST
OSC1
* IRQ
VDD
VSS
USER ROM VECTORS — 36 BYTES
CPU
MONITOR ROM — 447 BYTES
USER ROM — 8,192 BYTES
USER RAM — 256 BYTES
M68HC08 CPU
INTERNAL OSCILLATOR
CRYSTAL OSCILLATOR
SYSTEM INTEGRATION
EXTERNAL INTERRUPT
ADC REFERENCE
RC OSCILLATOR
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
UNIT (ALU)
Figure 1
The MC68HC08JL8 has 8,192 bytes of user ROM from $DC00 to $FBFF, and
36 bytes of user ROM vectors from $FFDC to $FFFF. On the MC68HC908JL8,
these memory locations are FLASH memory.
Figure 2
Freescale Semiconductor, Inc.
Figure 1. MC68HC08JL8 Block Diagram
Addendum to MC68HC908JL8 Technical Data
For More Information On This Product,
shows the block diagram of the MC68HC08JL8.
shows the memory map of the MC68HC08JL8.
Go to: www.freescale.com
## Pins available on 28-pin and 32-pin packages only.
** Pin contains programmable pull-up device.
‡ LED direct sink pin.
# Pins available on 32-pin packages only.
† 25mA open-drain if output pin.
* Pin contains integrated pull-up device.
¥ Shared pin: OSC2/RCCLK/PTA6/KBI6.
Shaded blocks indicate differences to MC68HC908JL8
2-CHANNEL TIMER INTERFACE
2-CHANNEL TIMER INTERFACE
SERIAL COMMUNICATIONS
8-BIT ANALOG-TO-DIGITAL
COMPUTER OPERATING
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
CONVERTER MODULE
INTERFACE MODULE
PROPERLY MODULE
POWER-ON RESET
INTERNAL BUS
MODULE 1
MODULE 2
MODULE
MODULE
MODULE
MODULE
BREAK
PTA7/KBI7**
PTA6/KBI6**
PTA5/KBI5**
PTA4/KBI4**
PTA3/KBI3**
PTA2/KBI2**
PTA1/KBI1**
PTA0/KBI0**
PTB7/ADC7
PTB6/ADC6
PTB5/ADC5
PTB4/ADC4
PTB3/ADC3
PTB2/ADC2
PTB1/ADC1
PTB0/ADC0
PTD7/RxD**
PTD6/TxD**
PTD5/T1CH1
PTD4/T1CH0
PTD3/ADC8
PTD2/ADC9
PTD1/ADC10
PTD0/ADC11
PTE1/T2CH1
PTE0/T2CH0
ADC12/T2CLK
‡
‡
†‡
‡
¥
‡
‡
‡
‡
‡
‡
†‡
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#
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