RX630_15 Datasheet, PDF (15/156 Pages) Renesas Technology Corp – Renesas MCUs

RX630 Group
1. Overview
Table 1.4
Pin Functions (4/5)
Classifications
Pin Name
I/O
Description
Serial communications
interface (SCId)
 Asynchronous mode/clock synchronous mode
SCK12
I/O
Input/output pin for the clock
RXD12
Input Input pin for received data
TXD12
Output Output pin for transmitted data
CTS12#
Input Input pin for controlling the start of transmission and reception
RTS12#
Output Output pin for controlling the start of transmission and reception
 Simple I²C mode
SSCL12
I/O
Input/output pin for the I²C clock
SSDA12
I/O
Input/output pin for the I²C data
 Simple SPI mode
SCK12
I/O
Input/output pin for the clock
SMISO12
I/O
Input/output pin for slave transmission of data
SMOSI12
I/O
Input/output pin for master transmission of data
SS12#
Input Chip-select input pin
 Extended serial mode
RXDX12
Input Input pin for received data
TXDX12
Output Output pin for transmitted data
SIOX12
I/O
Input/output pin for received or transmitted data
I²C bus interface
SCL0[FM+],
SCL1 to SCL3
I/O
Input/output pins for clocks. Bus can be directly driven by the N-
channel open drain
SDA0[FM+],
SDA1 to SDA3
I/O
Input/output pins for data. Bus can be directly driven by the N-
channel open drain
USB power pins
VCC_USB
Input
Power supply pin. When the USB is not to be used, connect it to the
VCC pin.
VSS_USB
Input
Ground pin. When the USB is not to be used, connect it to the VSS
pin.
USB 2.0 function module 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 pins
CTX0 to CTX2
Output Output pins
Serial peripheral interface RSPCKA, RSPCKB
RSPCKC
I/O
Clock input/output pins
MOSIA, MOSIB, MOSIC I/O
Inputs or outputs data output from the master
IEBus controller
Realtime clock
MISOA, MISOB, MISOC
SSLA0, SSLB0, SSLC0
SSLA1 to SSLA3
SSLB1 to SSLB3
SSLC1 to SSLC3
IERXD
IETXD
RTCOUT
RTCIC0 to RTCIC2
I/O
I/O
Output
Input
Output
Output
Input
Inputs or outputs data output from the slave
Input or output pins for slave selection
Output pins for slave selection
Input pin for data reception
Output pin for data transmission
Output pin for 1-Hz clock
Time capture event input pin
R01DS0060EJ0160 Rev.1.60
May 19, 2014
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