68HC908RF datasheet(16/188 Pages) MOTOROLA

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General Description

Data Sheet

MC68HC908RF2 — Rev. 4.0

General Description

MOTOROLA

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12 general-purpose input/output (I/O) ports:

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Six shared with keyboard wakeup function

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Two shared with the timer module

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Port A pins have 3-mA sink capabilities

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Low-voltage inhibit (LVI) module:

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1.85-V detection forces MCU into reset

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2.0-V detection sets indicator flag

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6-bit keyboard interrupt with wakeup feature

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External asynchronous interrupt pin with internal pullup (IRQ)

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Ultra high frequency (UHF) transmitter

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System protection features:

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Computer operating properly (COP) reset

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Low-voltage detection with reset

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Illegal opcode detection with reset

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Illegal address detection with reset

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32-pin plastic LQFP package

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Low-power design with stop and wait modes

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Master reset pin and power-on reset (POR)

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–40°C to 85°C and –40°C to 125°C operation

Features of the CPU08 include:

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Enhanced HC05 programming model

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Extensive loop control functions

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16 addressing modes (eight more than the HC05)

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16-bit index register and stack pointer

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Memory-to-memory data transfers

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Fast 8

× 8 multiply instruction

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Fast 16/8 divide instruction

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Binary-coded decimal (BCD) instructions

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Optimization for controller applications

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Third party C language support

1.3 MCU Block Diagram

Figure 1-1 shows the structure of the MC68HC908RF2 MCU.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

68HC908RF Datasheet(PDF) 16 Page - Motorola, Inc

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