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MC68HC908LJ12_1 Datasheet, PDF (10/16 Pages) Freescale Semiconductor, Inc – Addendum to MC68HC908LJ12 Technical Data
HC908LJ12AD/D
Freescale Semiconductor, Inc.
CPU
REGISTERS
M68HC08 CPU
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS — 96 BYTES
USER ROM — 12,288 BYTES
INTERNAL BUS
KEYBOARD INTERRUPT
MODULE
10-BIT ANALOG-TO-DIGITAL
CONVERTER MODULE
PTA7/ADC3
PTA6/ADC2
PTA5/ADC1
PTA4/ADC0
PTA3/KBI3**
PTA2/KBI2**
PTA1/KBI1**
PTA0/KBI0**
USER RAM — 512 BYTES
MONITOR ROM — 960 BYTES
USER ROM VECTOR — 48 BYTES
OSC1
OSC2
CLOCK GENERATOR MODULE
32.768-kHz OSCILLATOR
CGMXFC
PHASE-LOCKED LOOP
* RST
SYSTEM INTEGRATION
MODULE
2-CHANNEL TIMER INTERFACE
MODULE 1
2-CHANNEL TIMER INTERFACE
MODULE 2
SERIAL COMMUNICATIONS
INTERFACE MODULE
(WITH INFRARED
ENCODER/DECODER)
REAL TIME CLOCK
MODULE
* IRQ
VDDA
VDD
VSS
VREFH
VREFL
EXTERNAL INTERRUPT
MODULE
LIQUID CRYSTAL DISPLAY
DRIVER MODULE
COMPUTER OPERATING
PROPERLY MODULE
POWER-ON RESET
MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
LOW-VOLTAGE INHIBIT
MODULE
POWER
ADC REFERENCE
* Pin contains integrated pullup device.
** Pin contains integrated pullup device if configured as KBI.
† High current sink pin, 15mA.
‡ High current sink pin, 8mA.
# Pins available on 64-pin packages only.
Shaded blocks indicate differences to MC68HC908LJ12
Figure 4. MC68HC08LJ12 Block Diagram
PTB7/ADC5
PTB6/ADC4
PTB5/T2CH1‡ #
PTB4/T2CH0‡
PTB3/T1CH1‡
PTB2/T1CH0‡
PTB1/RxD†
PTB0/TxD†
PTC7/FP26
PTC6/FP25
PTC5/FP24
PTC4/FP23
PTC3/FP22
PTC2/FP21
PTC1/FP20
PTC0/FP19
FP1–FP18
BP0–BP2
FP0/BP3
PTD7/KBI7**
PTD6/KBI6**
PTD5/KBI5**
PTD4/KBI4** #
PTD3/SPSCK
PTD2/MOSI
PTD1/MISO
PTD0/SS
Addendum to MC68HC908LJ12 Technical Data
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