MC908JL8CDWE Datasheet, PDF (208/212 Pages) Freescale Semiconductor, Inc – Microcontrollers

CPU
REGISTERS
M68HC08 CPU
ARITHMETIC/LOGIC
UNIT (ALU)
INTERNAL BUS
KEYBOARD INTERRUPT
MODULE
CONTROL AND STATUS REGISTERS — 64 BYTES
USER FLASH — 8,192 BYTES
USER RAM — 256 BYTES
MONITOR ROM — 959 BYTES
USER FLASH VECTORS — 36 BYTES
OSC1
Â¥ _OSC2/RCCLK
CRYSTAL OSCILLATOR
RC OSCILLATOR
INTERNAL OSCILLATOR
* RST
* IRQ
SYSTEM INTEGRATION
MODULE
EXTERNAL INTERRUPT
MODULE
VDD
POWER
VSS
2-CHANNEL TIMER INTERFACE
MODULE 1
2-CHANNEL TIMER INTERFACE
MODULE 2
BREAK
MODULE
SERIAL COMMUNICATIONS
INTERFACE MODULE
POWER-ON RESET
MODULE
LOW-VOLTAGE INHIBIT
MODULE
COMPUTER OPERATING
PROPERLY MODULE
* Pin contains integrated pull-up device.
** Pin contains programmable pull-up device.
† 25mA open-drain if output pin.
‡ LED direct sink pin.
Â¥ Shared pin: OSC2/RCCLK/PTA6/KBI6.
# Pins available on 32-pin packages only.
Figure B-1. MC68HC908KL8 Block Diagram
PTA7/KBI7**^{‡ #}
PTA6/KBI6**^Â¥
PTA5/KBI5**^‡
PTA4/KBI4**^‡
PTA3/KBI3**^‡
PTA2/KBI2**^‡
PTA1/KBI1**^‡
PTA0/KBI0**^‡
PTB7
PTB6
PTB5
PTB4
PTB3
PTB2
PTB1
PTB0
T2CLK
#
PTD7/RxD**^†‡
PTD6/TxD**^†‡
PTD5/T1CH1
PTD4/T1CH0
PTD3^‡
PTD2^‡
PTD1
PTD0
PTE1/T2CH1
#
PTE0/T2CH0
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
208
Freescale Semiconductor