M68HC08 datasheet(16/172 Pages) FREESCALE

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General Description

MC68HC908JL3E Family Data Sheet, Rev. 3

Freescale Semiconductor

1.2 Features

Features of the MC68H(R)C908JL3E include the following:

•

EMC enhanced version of MC68H(R)C908JL3/JK3/JK1

•

High-performance M68HC08 architecture

•

Fully upward-compatible object code with M6805, M146805, and M68HC05 Families

•

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

•

Maximum internal bus frequency:

–

8-MHz at 5V operating voltage

–

4-MHz at 3V operating voltage

•

Oscillator options:

–

Crystal oscillator for MC68HC908JL3E/JK3E/JK1E

–

RC oscillator for MC68HRC908JL3E/JK3E/JK1E

•

User program FLASH memory with security(1) feature

–

4,096 bytes for MC68H(R)C908JL3E/JK3E

–

1,536 bytes for MC68H(R)C908JK1E

•

128 bytes of on-chip RAM

•

2-channel, 16-bit timer interface module (TIM)

•

12-channel, 8-bit analog-to-digital converter (ADC)

•

23 general purpose I/O ports for MC68H(R)C908JL3E:

–

7 keyboard interrupt with internal pull-up

(6 keyboard interrupt for MC68HC908JL3E)

–

10 LED drivers (sink)

–2

× 25mA open-drain I/O with pull-up

•

15 general purpose I/O ports for MC68H(R)C908JK3E/JK1E:

–

1 keyboard interrupt with internal pull-up

(MC68HRC908JK3E/JK1E only)

–

4 LED drivers (sink)

–2

× 25mA open-drain I/O with pull-up

–

10-channel ADC

•

System protection features:

–

Optional computer operating properly (COP) reset

–

Optional low-voltage detection with reset and selectable trip points for 3V and 5V operation

–

Illegal opcode detection with reset

–

Illegal address detection with reset

•

Master reset pin with internal pull-up and power-on reset

•IRQ1 with schmitt-trigger input and programmable pull-up

•

28-pin PDIP, 28-pin SOIC, and 48-pin LQFP packages for MC68H(R)C908JL3E

•

20-pin PDIP and 20-pin SOIC packages for MC68H(R)C908JK3E/JK1E

1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or copying the FLASH difficult for

unauthorized users.

M68HC08 Datasheet(PDF) 16 Page - Freescale Semiconductor, Inc

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