RX230 Datasheet, PDF (15/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
1. Overview
Table 1.5
Pin Functions (3/4)
Classifications Pin Name
I/O
Description
Serial
 Simple SPI mode
communications _{SCK0, SCK1, SCK5, SCK6, I/O}
interface (SCIg) _{SCK8, SCK9}
Input/output pins for the clock.
SMISO0, SMISO1, SMISO5, I/O
SMISO6, SMISO8, SMISO9
Input/output pins for slave transmit data.
SMOSI0, SMOSI1, SMOSI5, I/O
SMOSI6, SMOSI8, SMOSI9
Input/output pins for master transmit data.
SS0#, SS1#, SS5#, SS6#,
SS8#, SS9#
Input
Slave-select input pins.
IrDA interface IRTXD5
Output Data output pin in the IrDA format.
IRRXD5
Input Data input pin in the IrDA format.
Serial
communications
interface (SCIh)
 Asynchronous mode/clock synchronous mode
SCK12
I/O
Input/output pin for the clock.
RXD12
Input Input pin for receiving data.
TXD12
Output Output pin for transmitting 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 transmit data.
SMOSI12
I/O
Input/output pin for master transmit data.
SS12#
Input Slave-select input pin.
 Extended serial mode
RXDX12
Input Input pin for data reception by SCIf.
TXDX12
Output Output pin for data transmission by SCIf.
SIOX12
I/O
Input/output pin for data reception or transmission by SCIf.
I²C bus interface SCL
I/O
Input/output pin for I²C bus interface clocks. Bus can be directly driven by
the N-channel open drain output.
SDA
I/O
Input/output pin for I²C bus interface data. Bus can be directly driven by
the N-channel open drain output.
Serial peripheral RSPCKA
interface
MOSIA
I/O
Input/output pin for the RSPI clock.
I/O
Input/output pin for transmitting data from the RSPI master.
MISOA
I/O
Input/output pin for transmitting data from the RSPI slave.
SSLA0
I/O
Input/output pin to select the slave for the RSPI.
SSLA1 to SSLA3
Output Output pins to select the slave for the RSPI.
Serial sound
interface
SSISCK0
SSIWS0
I/O
SSI serial bit clock pin.
I/O
Word selection pin.
SSITXD0
Output Serial data output pin.
SSIRXD0
Input Serial data input pin.
AUDIO_MCLK
Input Master clock pin for audio.
CAN module
CRXD0
Input Input pin
CTXD0
Output Output pin
SD host
interface
SDHI_CLK
SDHI_CMD
Output SD clock output pin
I/O
SD command output, response input signal pin
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 15 of 177