M68ICS08GR datasheet(27/408 Pages) FREESCALE

27 / 408 page

General Description

Features

MC68HC908GR8 — Rev 4.0

Technical Data

MOTOROLA

General Description

•

7680 bytes of on-chip FLASH memory on the MC68HC908GR8

and 4096 bytes of on-chip FLASH memory on the

MC68HC908GR4 with in-circuit programming capabilities of

FLASH program memory

•

384 bytes of on-chip random-access memory (RAM)

•

Serial peripheral interface module (SPI)

•

Serial communications interface module (SCI)

•

One 16-bit, 2-channel timer (TIM1) and one 16-bit, 1-channel

timer (TIM2) interface modules with selectable input capture,

output compare, and PWM capability on each channel

•

6-channel, 8-bit successive approximation analog-to-digital

converter (ADC)

•

BREAK module (BRK) to allow single breakpoint setting during in-

circuit debugging

•

Internal pullups on IRQ and RST to reduce customer system cost

•

Clock generator module with on-chip 32-kHz crystal compatible

PLL (phase-lock loop)

•

Up to 21 general-purpose input/output (I/O) pins, including:

–

19 shared-function I/O pins

–

Up to two dedicated I/O pins, depending on package choice

•

Selectable pullups on inputs only on ports A, C, and D. Selection

is on an individual port bit basis. During output mode, pullups are

disengaged.

•

High current 10-mA sink/10-mA source capability on all port pins

•

Higher current 15-mA sink/source capability on PTC0–PTC1

•

Timebase module with clock prescaler circuitry for eight user

selectable periodic real-time interrupts with optional active clock

source during stop mode for periodic wakeup from stop using an

external 32-kHz crystal

•

Oscillator stop mode enable bit (OSCSTOPENB) in the CONFIG

disabled during stop mode

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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