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专业IC解密-MC68HRC908JK3MDW结构分析

时间:2011-08-23 09:10:23

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本文,我们整理关于MC68HRC908JK3MDW芯片的主要特性介绍供大家参考:
MC68HRC908JK3MDW  Features:
. 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
. 5V and 3V operating voltages
. 8MHz internal bus operation
. RC-oscillator circuit or crystal-oscillator options
. In-system FLASH programming
. FLASH security1
. User FLASH memory
– 4096 bytes for MC68H(R)C908JL3/JK3
– 1536 bytes for MC68H(R)C908JK1
. 128 bytes of on-chip random-access memory (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)C908JL3:
– 7 keyboard interrupt with internal pull-up
– 10 LED drivers
– 2 . 25mA open-drain I/O with pull-up
– 2 ICAP/OCAP/PWM
. 15 general purpose I/O ports for MC68H(R)C908JK3/JK1:
– 1 keyboard interrupt with internal pull-up (with RC oscillator option selected)
– 4 LED drivers
– 2 . 25mA open-drain I/O with pull-up
– 2 ICAP/OCAP/PWM

 

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