RX220_15 Datasheet, PDF (10/107 Pages) Renesas Technology Corp – Renesas MCUs

RX220 Group
1. Overview
Table 1.4
Pin Functions (2 / 3)
Classifications
Serial
communications
interface (SCIe)
Serial
communications
interface (SCIf)
I²C bus interface
Pin Name
I/O
Description
 Asynchronous mode/clock synchronous mode
SCK1, SCK5, SCK6, SCK9 I/O
Input/output pins for clock
RXD1, RXD5, RXD6, RXD9 Input
Input pins for received data
TXD1, TXD5, TXD6, TXD9 Output Output pins for transmitted data
CTS1#, CTS5#, CTS6#,
CTS9#
Input
Input pins for controlling the start of transmission and reception
RTS1#, RTS5#, RTS6#,
RTS9#
Output Output pins for controlling the start of transmission and reception
 Simple I²C mode
SSCL1, SSCL5, SSCL6,
I/O
SSCL9
Input/output pins for the I²C clock
SSDA1, SSDA5, SSDA6,
I/O
SSDA9
Input/output pins for the I²C data
 Simple SPI mode
SCK1, SCK5, SCK6, SCK9 I/O
Input/output pins for the clock
SMISO1, SMISO5, SMISO6, I/O
SMISO9
Input/output pins for slave transmission of data
SMOSI1, SMOSI5, SMOSI6, I/O
SMOSI9
Input/output pins for master transmission of data
SS1#, SS5#, SS6#, SS9#
Input
Chip-select input pins
 IrDA Interface
IRTXD5
Output Data output pin in the IrDA format
IRRXD5
Input
Data input pin in the IrDA format
 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 transmit data
SMOSI12
I/O
Input/output pin for master transmit data
SS12#
Input
Chip-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
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.
R01DS0130EJ0110 Rev.1.10
Dec 20, 2013
Page 10 of 105