AN2502 Freescale Semiconductor / Motorola, AN2502 Datasheet - Page 21

Manufacturer Part Number

AN2502

Description

Using Two Channels of the HC08 TIM to Achieve a Full-Duplex Software SCI

Manufacturer

Freescale Semiconductor / Motorola

Datasheet

1.AN2502.pdf (56 pages)

Software

Normal Mode

Flowcharts

MOTOROLA

Using Two Channels of the HC08 TIM to Achieve a Full-Duplex Software SCI

The two modes of operation in this application note are presented in this

document with flowcharts and assembly source code.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

Figure 29. Initial Configuration — Normal Mode

CLEAR RECEPTION

SET TRANSMITTER

FALLING EDGES

PORT CONTROL

SET Tx PIN FOR

RESET TIMER

INTERRUPTS

EMPTY FLAG

RXTX_config

CH1 UNDER

IDLE STATE

RUN TIMER

STOP AND

CH0 IC ON

ENABLE

FLAGS

RTS

AN2502/D

Software