TMPR4938 datasheet(381/716 Pages) TOSHIBA

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TMPR4938 Datasheet(PDF) 381 Page - Toshiba Semiconductor

Part #	TMPR4938

Description	64-Bit TX System RISC TX49 Family

PDF	716 Pages

Scroll/Zoom	100%

Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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381 / 716 page

Chapter 11 Serial I/O Port

11-3

11.3 Detailed Explanation

11.3.1 Overview

During reception, serial data that are input as an RXD signal from an external source are converted into

parallel data, then are stored in the Receive FIFO buffer. Parallel data stored in the FIFO buffer are

fetched by either CPU or DMA transfer.

During transmission, parallel data written to the Transmit FIFO buffer by CPU or DMA transfer are

converted into serial data, then are output as a TXD signal.

11.3.2 Data Format

The TX4938 SIO can use the following data formats.

Data Length

: 8/7 bits

Stop Bit

: 1/2 bits

Parity Bit

: Yes/No

Parity Format

: Even/Odd

Start Bit

: Fixed to 1 bit

Figure 11.3.1 illustrates the data frame when making each setting.

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