M68ICS08GR datasheet(26/408 Pages) FREESCALE

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General Description

Technical Data

MC68HC908GR8 — Rev 4.0

General Description

MOTOROLA

1.3 Features

For convenience, features have been organized to reflect:

•

Standard features of the MC68HC908GR8

•

Features of the CPU08

1.3.1 Standard Features of the MC68HC908GR8

•

High-performance M68HC08 architecture optimized for C-

compilers

•

Fully upward-compatible object code with M6805, M146805, and

M68HC05 Families

•

8-MHz internal bus frequency

•

FLASH program memory security(1)

•

On-chip programming firmware for use with host personal

computer which does not require high voltage for entry

•

In-system programming

•

System protection features:

–

Optional computer operating properly (COP) reset

–

Low-voltage detection with optional reset and selectable trip

points for 3.0 V and 5.0 V operation

–

Illegal opcode detection with reset

–

Illegal address detection with reset

•

Low-power design; fully static with stop and wait modes

•

Standard low-power modes of operation:

–

Wait mode

–

Stop mode

•

Master reset pin and power-on reset (POR)

1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or

copying the FLASH difficult for unauthorized users.

Freescale Semiconductor, Inc.

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