MC68HC908LJ24 Datasheet, PDF (41/464 Pages) Motorola, Inc – Microcontrollers

M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS — 128 BYTES
USER FLASH — 24,576 BYTES
USER RAM — 768 BYTES
MONITOR ROM — 959 BYTES
USER FLASH VECTOR SPACE — 48 BYTES
OSC1
OSC2
CLOCK GENERATOR MODULE
32.768-kHz OSCILLATOR
CGMXFC
PHASE-LOCKED LOOP
* RST
* IRQ
SYSTEM INTEGRATION
MODULE
EXTERNAL INTERRUPT
MODULE
COMPUTER OPERATING
PROPERLY MODULE
INTERNAL BUS
KEYBOARD INTERRUPT
MODULE
10-BIT ANALOG-TO-DIGITAL
CONVERTER 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
INTER IC BUS
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
POWER-ON RESET
MODULE
# VLCD
VDDA
VDD
VSS
VREFH
VREFL
LOW-VOLTAGE INHIBIT
MODULE
POWER
LIQUID CRYSTAL DISPLAY
DRIVER MODULE
ADC REFERENCE
* Pin contains integrated pullup device.
** Pin contains integrated pullup device if configured as KBI.
† _{High current sink pin, 15mA.}
# Pins available on 80-pin packages only.
Figure 1-1. MC68HC908LJ24 Block Diagram
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
General Description
General Description
MCU Block Diagram
PTA7/ADC3
PTA6/ADC2
PTA5/ADC1
PTA4/ADC0
PTA3/KBI3**
PTA2/KBI2**
PTA1/KBI1**
PTA0/KBI0**
PTB7/ADC5
PTB6/ADC4
PTB5/T2CH1^†
PTB4/T2CH0^†
PTB3/T1CH1^†
PTB2/T1CH0^†
PTB1/RxD^†
PTB0/TxD^†
PTD7/KBI7/SDA
PTD6/KBI6/SCL
PTD5/KBI5/T2CLK**
PTD4/KBI4/T1CLK**
PTD3/SPSCK/CALOUT
PTD2/MOSI
PTD1/MISO
PTD0/SS/CALIN
PTF7^†
:
PTF0^†
#
FP32
:
FP27
PTC7/FP26^†
:
PTC0/FP19^†
PTE7/FP18^†
:
PTE0/FP11^†
FP10
:
FP1
BP2
:
BP0
FP0/BP3
Data Sheet
41