rej06b0837_h8sap| Application Note
APPLICATION NOTE
H8S/20103, H8S/20203, and H8S/20223 Groups
Using Timer RG and Port Output for Timing Pattern Controller Operation
Introduction
The event link controller (ELC) is used to set up the compare match A signal from the timer RG module in products of the H8S/20103, H8S/20203, and H8S/20223 Groups such that operation as a programmable timing pattern controller (TPC) is realized through port event-input and port event-generation without CPU intervention.
Target Devices
H8S/20103 (R4F20103) H8S/20203 (R4F20203) H8S/20223 (R4F20223)
Frequency Used in Confirming Operation
System clock = osc = 20 MHz
Contents
1. 2. 3. 4. 5. 6. Specifications .................................................................................................................................... 2 Description of Modules Used ............................................................................................................ 5 Principle of Operation ..................................................................................................................... 15 Description of Software................................................................................................................... 16 Flowcharts....................................................................................................................................... 20 Program Listing............................................................................................................................... 26
REJ06B0837-0100/Rev.1.00
January 2009
Page 1 of 32
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