2 input/output pins – Renesas SH7781 User Manual
Page 1131

22. Serial I/O with FIFO (SIOF)
Rev.1.00 Jan. 10, 2008 Page 1101 of 1658
REJ09B0261-0100
22.2
Input/Output Pins
Table 22.1 shows the pin configuration.
Table 22.1 Pin Configuration
Pin Name* Function
I/O
Description
SIOF_MCLK
Master clock
Input
Master clock input pin
SIOF_SCK Serial
clock
I/O
Serial clock pin (common to
transmission/reception)
SIOF_SYNC Frame
synchronous
signal
I/O
Frame synchronous signal
(common to transmission/reception)
SIOF_TXD
Transmit data
Output
Transmit data pin
SIOF_RXD
Receive data
Input
Receive data pin
Note: * A pin group to be used can be selected according to the setting of PFC.
For details, see Peripheral Module Select Register 1 and Peripheral Module Select
Register 2, in section 28, General Purpose I/O Ports (GPIO).