MC68HC908AP16CFB datasheet(26/440 Pages) MOTOROLA

26 / 440 page

General Description

Data Sheet

MC68HC908AP Family — Rev. 2.5

MOTOROLA

Figure 1-1. MC68HC908AP64 Block Diagram

SYSTEM INTEGRATION

MODULE

ARITHMETIC/LOGIC

UNIT (ALU)

CPU

REGISTERS

M68HC08 CPU

CONTROL AND STATUS REGISTERS — 96 BYTES

USER FLASH — (SEE TABLE)

USER RAM — (SEE TABLE)

MONITOR ROM — 959 BYTES

USER FLASH VECTOR SPACE — 48 BYTES

EXTERNAL INTERRUPT

MODULE

INTERNAL BUS

* RST

* IRQ1

COMPUTER OPERATING

PROPERLY MODULE

PTD7/KBI7 ***

PTD6/KBI6 ***

PTD5/KBI5 ***

PTD4/KBI4 ***

PTD3/KBI3 ***

PTD2/KBI2 ***

POWER-ON RESET

MODULE

POWER

PTD1/KBI1 ***

PTD0/KBI0 ***

SERIAL COMMUNICATIONS

INTERFACE MODULE 1

2-CHANNEL TIMER INTERFACE

MODULE 1

2-CHANNEL TIMER INTERFACE

MODULE 2

SERIAL PERIPHERAL

INTERFACE MODULE

KEYBOARD INTERRUPT

MODULE

10-BIT ANALOG-TO-DIGITAL

CONVERTER MODULE

ADC REFERENCE

VREFL

VREFH

PTB7/T2CH1

PTB6/T2CH0

PTB5/T1CH1

PTB4/T1CH0

PTB3/RxD †

PTB2/TxD †

PTB1/SCL †

PTB0/SDA †

PTC7/SCRxD †

PTC6/SCTxD †

PTC5/SPSCK

PTC4/SS

PTC3/MOSI

PTC2/MISO

PTC1 #

PTC0/IRQ2 **#

PTA7/ADC7 ‡

PTA6/ADC6 ‡

PTA5/ADC5 ‡

PTA4/ADC4 ‡

PTA3/ADC3 ‡

PTA2/ADC2 ‡

PTA1/ADC1 ‡

PTA0/ADC0 ‡

LOW-VOLTAGE INHIBIT

MODULE

SERIAL COMMUNICATIONS

INTERFACE MODULE 2

(WITH INFRARED

MODULATOR/DEMODULATOR)

† Pin is open-drain when configured as output.

‡ LED direct sink pin.

# Pin not bonded on 42-pin SDIP.

TIMEBASE

MODULE

MULTI-MASTER IIC (SMBUS)

INTERFACE MODULE

VDDA

VDD

VSSA

VSS

VREG

** IRQ2

* Pin contains integrated pullup device.

** Pin contains configurable pullup device.

*** Pin contains integrated pullup device when configured as KBI.

CLOCK GENERATOR MODULE

OSC1

OSC2

CGMXFC

PHASE-LOCKED LOOP

X-TAL OSCILLATOR

RC OSCILLATOR

INTERNAL OSCILLATOR

OSCILLATORS AND

DEVICE

USER RAM

(bytes)

USER FLASH

(bytes)

MC68HC908AP64

2,048

62,368

MC68HC908AP32

2,048

32,768

MC68HC908AP16

1,024

16,384

MC68HC908AP8

1,024

8,192

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MC68HC908AP16CFB Datasheet(PDF) 26 Page - Motorola, Inc

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