R01UH0040EJ0100 Rev.1.00
Page 57 of 1657
Sep 8, 2011
RX630 Group
1. Overview
Serial communications
interface (SCIc)
Asynchronous mode/clock synchronous mode
SCK0 to SCK11
I/O
Input/output pins for clock signals.
RXD0 to RXD11
Input
Input pins for data reception.
TXD0 to TXD11
Output
Output pins for data transmission.
CTS0# to CTS11#
Input
Transfer start control input pins
RTS0# to RTS11#
Output
Transfer start control output pins
Simple I2C mode
SSCL0 to SSCL11
I/O
Input/output pins for the I2C clock
SSDA0 to SSDA11
I/O
Input/output pins for the I2C data
Simple SPI mode
SCK0 to SCK11
I/O
Input/output pins for the clock
SMISO0 to SMISO11
I/O
Input/output pins for slave transmit data.
SMOSI0 to SMOSI11
I/O
Input/output pins for master transmit data.
SS0# to SS11#
Input
Input pins for chip select signals
Serial communications
interface (SCId)
Asynchronous mode/clock synchronous mode
SCK12
I/O
Input/output pin for clock signals.
RXD12
Input
Input pin for data reception.
TXD12
Output
Output pin for data transmission.
CTS12#
Input
Transfer start control input pins
RTS12#
Output
Transfer start control output pins
Simple I2C mode
SSCL12
I/O
Input/output pins for the I2C clock
SSDA12
I/O
Input/output pins for the I2C data
Simple SPI mode
SCK12
I/O
Input/output pins for the clock
SMISO12
I/O
Input/output pins for slave transmit data.
SMOSI12
I/O
Input/output pins for master transmit data.
SS12#
Input
Input pins for chip select signals
Extended serial mode
RXDX12
Input
Input pin for receive data
TXDX12
Output
Output pin for transmit data
SIOX12
I/O
Input/output pin for transfer data
I2C bus interface
SCL0[FM+],
SCL1 to SCL3
I/O
Input/output pin for clocks. Bus can be directly driven by the N-
channel open drain.
SDA0[FM+],
SDA1 to SDA3
I/O
Input/output pin for data. Bus can be directly driven by the N-
channel open drain.
USB 2.0 function module
VCC_USB
Input
Power supply pin
VSS_USB
Input
Ground pin
USB0_DP
I/O
Inputs or outputs D+ data for the USB bus
USB0_DM
I/O
Inputs or outputs D- data for the USB bus.
USB0_DPUPE
Output
Pull-up pin.
USB0_VBUS
Input
Input pin for detection of connection and disconnection of the USB
cable.
CAN module
CRX0 to CRX2
Input
Input pin.
CTX0 to CTX2
Output
Output pin.
Table 1.4
Pin Functions (3/5)
Classifications
Pin Name
I/O
Description