RX23T Datasheet, PDF (10/98 Pages) Renesas Technology Corp – 40-MHz 32-bit RX MCUs, built-in FPU, 65.6 DMIPS

RX23T Group
1. Overview
Table 1.5
Pin Functions (2/2)
Classifications Pin Name
Serial
communications
interface (SCIg)
 Simple SPI mode
SCK1, SCK5
SMISO1, SMISO5
SMOSI1, SMOSI5
SS1#, SS5#
I²C bus interface SCL0
SDA0
Serial peripheral RSPCKA
interface
MOSIA
MISOA
SSLA0
SSLA1 to SSLA3
12-bit A/D
converter
AN000 to AN007, AN016,
AN017
ADTRG0#
ADST0
Comparator C
CMPC00, CMPC01,
CMPC02
CMPC10, CMPC11,
CMPC12
CMPC20, CMPC21,
CMPC22
COMP0 to COMP2
CVREFC0, CVREFC1
Analog power
supply
AVCC0
AVSS0
I/O ports
VREFH0
VREFL0
P00 to P02
P10, P11
P22 to P24
P30 to P33, P36, P37
P40 to P47
P70 to P76
P91 to P94
PA2 to PA5
PB0 to PB7
PD3 to PD7
PE2
I/O
Description
I/O
Input/output pins for the clock.
I/O
Input/output pins for slave transmit data.
I/O
Input/output pins for master transmit data.
Input Chip-select input pins.
I/O
Input/output pin for I²C bus interface clocks. Bus can be directly driven by
the N-channel open drain output.
I/O
Input/output pin for I²C bus interface data. Bus can be directly driven by
the N-channel open drain output.
I/O
Input/output pin for the RSPI clock.
I/O
Input/output pin for transmitting data from the RSPI master.
I/O
Input/output pin for transmitting data from the RSPI slave.
I/O
Input/output pin to select the slave for the RSPI.
Output Output pins to select the slave for the RSPI.
Input Input pins for the analog signals to be processed by the A/D converter.
Input Input pin for the external trigger signals that start the A/D conversion.
Output Output pin for A/D conversion status.
Input Analog input pin for CMPC0
Input Analog input pin for CMPC1
Input Analog input pin for CMPC2
Output Comparator detection result output pins.
Input Analog reference voltage supply pins for comparator C.
Input
Analog voltage supply pin for the 12-bit A/D converter, comparator C, and
the 8-bit D/A converter for generating comparator C reference voltage.
Connect this pin to VCC when these modules are not used.
Input
Analog ground pin for the 12-bit A/D converter, comparator C, and the 8-
bit D/A converter for generating comparator C reference voltage. Connect
this pin to VSS when these modules are not used.
Input Analog reference voltage supply pin for the 12-bit A/D converter.
Input Analog reference ground pin for the 12-bit A/D converter.
I/O
3-bit input/output pins.
I/O
2-bit input/output pins.
I/O
3-bit input/output pins.
I/O
6-bit input/output pins.
I/O
8-bit input/output pins.
I/O
7-bit input/output pins.
I/O
4-bit input/output pins.
I/O
4-bit input/output pins.
I/O
8-bit input/output pins.
I/O
5-bit input/output pins.
Input 1-bit input pin.
R01DS0248EJ0110 Rev.1.10
Jan 13, 2016
Page 10 of 98