Overview Of Uart - Fujitsu F2MC-16LX Hardware Manual

Mb90550a/b series, 16-bit

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Table of Contents

CHAPTER 17 UART

17.1 Overview of UART

The UART is a serial I/O port for asynchronous (start-stop synchronous)

communication or CLK-synchronous communication.

■ Features of UART

The UART has the following features:

Full duplex double buffer

Asynchronous (start-stop synchronous) communication and CLK-synchronous (I/O extended

serial interface) communication

Support of multiprocessor

Built-in dedicated baud rate generator (communication prescaler)

Table 17.1-1 Baud Rate

Asynchronous

CLK-synchronous

* : Values when internal machine clocks are 6, 8, 10, 12 and 16 MHz.

Free baud rate setting by external clocks

Error detection function (parity, framing, and overrun)

Transfer signal of NRZ code

Support of extended intelligent I/O services

62500/31250/19230/9615/4808/2404/1202 bps

2M/1M/500k/125k/62.5k bps