NEC UPD703116 User Manual page 413

32-bit single-chip microcontrollers

Table of Contents

(8) Transmit buffer register 0 (TXB0)

This is an 8-bit buffer for transmit data. A transmit operation is started by writing transmit data to TXB0.

(9) Addition of transmission control parity

A transmit operation is controlled by adding a start bit, parity bit, or stop bit to the data that is written to the

TXB0 register, according to the contents that were set in the ASIM0 register.

Figure 10-1. Asynchronous Serial Interface 0 Block Diagram

Asynchronous serial interface

mode register 0 (ASIM0)

For the configuration of baud rate generator 0, see Figure 10-12.

CHAPTER 10 SERIAL INTERFACE FUNCTION

Internal bus

Receive buffer

shift register

Reception control

parity check

User's Manual U14492EJ5V0UD

Transmit buffer

shift register

Addition of transmission

control parity