SH7125_08 Datasheet, PDF (433/774 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 12 Serial Communication Interface (SCI)
12.2 Input/Output Pins
The SCI has the serial pins summarized in table 12.1.
Table 12.1 Pin Configuration
Channel Pin Name*¹
I/O
Function
0
SCK0
I/O
SCI0 clock input/output
RXD0
Input
SCI0 receive data input
TXD0
Output
SCI0 transmit data output
1
SCK1*²
I/O
SCI1 clock input/output
RXD1
Input
SCI1 receive data input
TXD1
Output
SCI1 transmit data output
2
SCK2
I/O
SCI2 clock input/output
RXD2
Input
SCI2 receive data input
TXD2
Output
SCI2 transmit data output
Notes: 1. Pin names SCK, RXD, and TXD are used in the description for all channels, omitting
the channel designation.
2. This pin is supported only by the SH7125. Channel 1 in the SH7124 is only for
asynchronous mode.
Rev. 4.00 Jul. 25, 2008 Page 413 of 750
REJ09B0243-0400