SH7727 Datasheet, PDF(557/1109 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

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SH7727 Datasheet, PDF (557/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

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Section 17 Serial Communication Interface (SCI)

SCPT[0]/RxD0

SCI

Serial

receive

data

Legend:

PDRR: PDR read

PDRR*

Internal data bus

Note: * When reading the RxD0 pin, set the RE bit in SCSCR to 1.

Figure 17.4 SCPT[0]/RxD0 Pin

17.1.3 Pin Configuration

The SCI has the serial pins summarized in table 17.1.

Table 17.1 SCI Pins

Pin Name

Abbreviation I/O

Function

Serial clock pin

SCK0

I/O

Clock I/O

Receive data pin

RxD0

Input

Receive data input

Transmit data pin TxD0

Output

Transmit data output

Note: They are made to function as serial pins by performing SCI operation settings with the TE,

RE, CKEI, and CKEO bits in SCSCR and the C/A bit in SCSMR. Break state transmission

and detection can be performed by means of the SCIâs SCSPTR register.

Rev. 5.00 Dec 12, 2005 page 485 of 1034

REJ09B0254-0500

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