Datasheet

General Description

Technical Data MC68HC908GR8 — Rev 4.0

28 General Description MOTOROLA

• 4-bit keyboard wakeup port

• 32-pin quad flat pack (QFP) or 28-pin plastic dual-in-line package

(DIP) or 28-pin small outline integrated circuit (SOIC)

• Specific features of the MC68HC908GR8 in 28-pin DIP and 28-pin

SOIC are:

– Port B is only 4 bits: PTB0–PTB3; 4-channel ADC module

– No Port C bits

1.3.2 Features of the CPU08

Features of the CPU08 include:

• Enhanced HC05 programming model

• Extensive loop control functions

• 16 addressing modes (eight more than the HC05)

• 16-bit index register and stack pointer

• Memory-to-memory data transfers

• Fast 8 × 8 multiply instruction

• Fast 16/8 divide instruction

• Binary-coded decimal (BCD) instructions

• Optimization for controller applications

• Efficient C language support

1.4 MCU Block Diagram

Figure 1-1 shows the structure of the MC68HC908GR8.

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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