SH7615 Datasheet, PDF (683/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH
RISC engine Family/SH7600 Series

Table 15.1 shows the functions of the external pins. As the channels are independent, the channel
numbers are omitted from the signal names in the rest of this section.
Table 15.1 Serial I/O (SIO) External Pins
Channel Name
Pin
I/O
Function
0
Serial receive data input pin
SRxD0 Input Serial data input port 0
Serial receive clock input pin
SRCK0 Input Serial receive clock port 0
Serial reception synchronization SRS0
input pin
Input
Serial reception
synchronization input port 0
Serial transmit data output pin STxD0 Output Serial data output port 0
Serial transmit clock input pin
STCK0 Input Serial transmit clock port 0
Serial transmission
STS0
I/O
Serial transmission
synchronization input/output pin
synchronization input/output
port 0
1
Serial receive data input pin
SRxD1 Input Serial data input port 1
Serial receive clock input pin
SRCK1 Input Serial receive clock port 1
Serial reception synchronization SRS1
input pin
Input
Serial reception
synchronization input port 1
Serial transmit data output pin STxD1 Output Serial data output port 1
Serial transmit clock input pin
STCK1 Input Serial transmit clock port 1
Serial transmission
STS1
I/O
Serial transmission synchro-
synchronization input/output pin
nization input/output port 1
2
Serial receive data input pin
SRxD2 Input Serial data input port 2
Serial receive clock input pin
SRCK2 Input Serial receive clock port 2
Serial reception synchronization SRS2
input pin
Input
Serial reception
synchronization input port 2
Serial transmit data output pin STxD2 Output Serial data output port 2
Serial transmit clock input pin
STCK2 Input Serial transmit clock port 2
Serial transmission
STS2
I/O
Serial transmission
synchronization input/output pin
synchronization input/output
port 2
Note: In a reset, all pins are initialized to the high-impedance state.
Rev. 2.00, 03/05, page 645 of 884