MC68HC908JL3 Datasheet, PDF (176/180 Pages) Freescale Semiconductor, Inc – Microcontrollers

CPU
REGISTERS
M68HC08 CPU
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS — 64 BYTES
USER FLASH — 4,096 BYTES
USER RAM — 128 BYTES
MONITOR ROM — 960 BYTES
USER FLASH VECTOR SPACE — 48 BYTES
OSC1
OSC2
X-TAL OSCILLATOR
INTERNAL BUS
KEYBOARD INTERRUPT
MODULE
2-CHANNEL TIMER INTERFACE
MODULE
BREAK
MODULE
COMPUTER OPERATING
PROPERLY MODULE
* RST
* IRQ
VDD
VSS
SYSTEM INTEGRATION
MODULE
EXTERNAL INTERRUPT
MODULE
POWER
POWER-ON RESET
MODULE
LOW-VOLTAGE INHIBIT
MODULE
* Pin contains integrated pull-up device.
** Pin contains programmable pull-up device.
† 25mA open-drain if output pin.
‡ LED direct sink pin.
# Pins available on MC68HC908KL3E only.
Figure C-1. MC68HC908KL3E/KK3E Block Diagram
PTA5/KBI5**^‡
PTA4/KBI4**^‡
PTA3/KBI3**^‡
PTA2/KBI2**^{‡ #}
PTA1/KBI1**^‡
PTA0/KBI0**^‡
PTB7
PTB6
PTB5
PTB4
PTB3
PTB2
PTB1
PTB0
PTD7**^†‡
PTD6**^†‡
PTD5/TCH1
PTD4/TCH0
PTD3^‡
PTD2^‡
PTD1
PTD0
#
MC68HC908JL3E Family Data Sheet, Rev. 4
176
Freescale Semiconductor