APPLICATION NOTE

REJ06B0357-0100O/Rev.1.00 March 2004 Page 1 of 17
SH7145F

Asynchronous Serial Data Transmission/Reception

Summary

The SH7144 series is a single-chipmicroprocessor based on the SH-2 RISC (Reduced Instruction
Set Computer) CPU core and integratinga number of peripheral functions.
This application note describes asynchronous serial data transmission/reception using the SCI
(Serial Communication Interface) moduleo fthe SH7145F. It is intended to be used as reference
by users designing software applications.
The program examples contained in this application note have been tested.Ho wever,operation
should be confirmed before usingt hem ina n actual application.

Device for Which Operation Has Been Confirmed

SH7145F

Contents

1. Specifications ................................................................................................ 2
2 Functions Used ............................................................................................. 3
3. Operation....................................................................................................... 6
4. Software ........................................................................................................ 8
5. Flowcharts..................................................................................................... 11
6. Program Listing ............................................................................................. 14