rej06b0427_h8300hslp| Application Note
APPLICATION NOTE
H8/300H SLP Series
Asynchronous Event Counter Operation Using the 8-Bit Mode
Introduction
The asynchronous event counter is used in the 8-bit mode to invert port output in fixed cycles. 2-MHz event input is performed at the asynchronous event input L (AEVL) pin, and P40 pin output is inverted every 8-bit event counter L (ECL) overflow cycle (128 us).
Target Device
H8/38076R
Contents
1. Specifications .............................................................................................................................. 2 2. Functions Used............................................................................................................................ 3 3. Principles of Operation ................................................................................................................ 6 4. Description of Software ............................................................................................................... 7 5. Flowcharts ................................................................................................................................... 10
REJ06B0427-0100/Rev.1.00
September 2004
Page 1 of 13
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