Datasheet

R01DS0060EJ0160 Rev.1.60 Page 15 of 154
May 19, 2014
RX630 Group 1. Overview
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 I
2
C mode
SSCL12 I/O Input/output pin for the I
2
C clock
SSDA12 I/O Input/output pin for the I
2
C 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
I
2
C 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
MISOA, MISOB, MISOC I/O Inputs or outputs data output from the slave
SSLA0, SSLB0, SSLC0 I/O Input or output pins for slave selection
SSLA1 to SSLA3
SSLB1 to SSLB3
SSLC1 to SSLC3
Output Output pins for slave selection
IEBus controller IERXD Input Input pin for data reception
IETXD Output Output pin for data transmission
Realtime clock RTCOUT Output Output pin for 1-Hz clock
RTCIC0 to RTCIC2 Input Time capture event input pin
Table 1.4 Pin Functions (4/5)
Classifications Pin Name I/O Description