Renesas Stereo System SH7709S Manual De Usuario

Rev. 5.00, 09/03, page 431 of 760

SCI

Serial
receive
data

Internal data bus

PDRR

*

SCPT[0]/RxD0

PDRR: PDR read

Note: 

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

Legend

The SCI has the serial pins summarized in table 14.1.

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:

These pins are made to function as serial pins by performing SCI operation settings with the
TE, RE, CKEI, and CKE0 bits in SCSCR and the C/

A

 bit in SCSMR. Break state

transmission and detection can be performed by means of the SCI’s SCSPTR register.