MC68HLC908LJ12 查看數據表（PDF） - Freescale Semiconductor

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MC68HLC908LJ12

Addendum to MC68HC908LJ12 Technical Data

Freescale Semiconductor 

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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