RX110_16 Datasheet, PDF (11/108 Pages) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS

RX110 Group
1. Overview
Table 1.4
Pin Functions (2/3)
Classifications Pin Name
I/O
Description
Serial
communications
interface (SCIe)
 Simple I²C mode
SSCL1, SSCL5
SSDA1, SSDA5
I/O
Input/output pins for the I²C clock.
I/O
Input/output pins for the I²C data.
 Simple SPI mode
SCK1, SCK5
I/O
Input/output pins for the clock.
SMISO1, SMISO5
I/O
Input/output pins for slave transmit data.
SMOSI1, SMOSI5
I/O
Input/output pins for master transmit data.
SS1#, SS5#
Input Chip-select input pins.
Serial
communications
interface (SCIf)
 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 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.
I²C bus interface SCL0
I/O
Input/output pin for I²C bus interface clocks. Bus can be directly driven by
the N-channel open drain output.
SDA0
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.
12-bit A/D
converter
AN000 to AN004, AN006,
AN008 to AN015
Input
Input pins for the analog signals to be processed by the A/D converter.
ADTRG0#
Input Input pin for the external trigger signals that start the A/D conversion.
I/O ports
P03, P05
I/O
2-bit input/output pins.
P14 to P17
I/O
4-bit input/output pins.
P26, P27
I/O
2-bit input/output pins.
P30 to P32, P35
I/O
4-bit input/output pins (P35 input pin).
P40 to P44, P46
I/O
6-bit input/output pins.
P54, P55
I/O
2-bit input/output pins.
PA0, PA1, PA3, PA4, PA6 I/O
5-bit input/output pins.
PB0, PB1, PB3, PB5 to PB7 I/O
6-bit input/output pins.
R01DS0202EJ0120 Rev.1.20
Jul 29, 2016
Page 11 of 108