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Section 9 Timers
9.7
Asynchronous Event Counter (AEC)
9.7.1
Overview
The asynchronous event counter is incremented by external event clock input.
1. Features
Features of the asynchronous event counter are given below.
• Can count asynchronous events
• Can count external events input asynchronously without regard to the operation of base clocks
φ and φ
.
SUB
• The counter has a 16-bit configuration, enabling it to count up to 65536 (2
• Can also be used as two independent 8-bit event counter channels.
• Counter resetting and halting of the count-up function controllable by software
• Automatic interrupt generation on detection of event counter overflow
• Use of module standby mode enables this module to be placed in standby mode independently
when not used.
Rev. 6.00 Aug 04, 2006 page 320 of 680
REJ09B0145-0600
16
) events.
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