9154A-PPCS16LF 参数 Datasheet PDF下载

Integrated

Circuit

Systems, Inc.

9154A

Stop Clock Feature

The

9154A-43

incorporates a unique stop clock feature compatible with static logic processors. When the stop clock pin goes

low, the 2XCPUCLK will go low after the next occurring falling edge. When STOPCLK again goes high, 2XCPUCLK resumes

on the next rising edge of the internal clock. This feature enables fast, glitch-free starts and stops of the 2XCPUCLK and is

guaranteed that the CPU does not receive any short period clocks.

2XCPUCLK

STOPCLK#

0174E—03/18/08

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