RX24U Datasheet, PDF (11/131 Pages) Renesas Technology Corp – 32-bit RXv2 CPU core

RX24U Group
1. Overview
Table 1.4
Pin Functions (3/4)
Classifications
Serial communi-
cations interface
(SCIg)
I²C bus interface
(RIICa)
Serial peripheral
interface
(RSPIb)
CAN module
(RSCAN)
12-bit A/D
converter
(S12ADF)
8-bit D/A
converter (DAa)
Comparator C
(CMPC)
Analog power
supply
Pin Name
SMISO1, SMISO5, SMISO6,
SMISO8, SMISO9,
SMISO11
SMOSI1, SMOSI5, SMOSI6,
SMOSI8, SMOSI9,
SMOSI11
SS1#, SS5#, SS6#, SS8#,
SS9#, SS11#
SCL0
SDA0
RSPCKA
MOSIA
MISOA
SSLA0
SSLA1 to SSLA3
CRXD0
CTXD0
AN000 to AN003, AN016,
AN100 to AN103, AN116,
AN200 to AN211
ADST0, ADST1, ADST2
ADTRG0#, ADTRG1#,
ADTRG2#
PGAVSS0
PGAVSS1
DA0, DA1
COMP0 to COMP3
CMPC00 to CMPC03
CMPC10 to CMPC13
CMPC20 to CMPC23
CMPC30 to CMPC33
AVCC0
AVSS0
AVCC1
AVSS1
I/O
I/O
I/O
Input
I/O
I/O
I/O
I/O
I/O
I/O
Output
Input
Output
Input
Output
Input
Input
Input
Output
Output
Input
Input
Input
Input
—
—
—
—
Description
Input/output pins for slave transmit data.
Input/output pins for master transmit data.
Chip-select input pins.
Input/output pin for I²C bus interface clocks. Bus can be directly driven by
the N-channel open drain output.
Input/output pin for I²C bus interface data. Bus can be directly driven by
the N-channel open drain output.
Input/output pin for the RSPI clock.
Input/output pin for transmitting data from the RSPI master.
Input/output pin for transmitting data from the RSPI slave.
Input/output pin to select the slave for the RSPI.
Output pins to select the slave for the RSPI.
Input pin
Output pin
Input pins for the analog signals to be processed by the A/D converter.
Output pins for A/D conversion status.
Input pins for the external trigger signals that start the A/D conversion.
AN000 PGA gain setting resistor reference ground pin: Connect to AVSS0
when the PGA is not used.
AN100 to 102 PGA gain setting resistor reference ground pin: Connect to
AVSS1 when the PGA is not used.
Output pins for the analog signals to be processed by the D/A converter
Comparator detection result output pins.
Analog input pins for CMPC0
Analog input pins for CMPC1
Analog input pins for CMPC2
Analog input pins for CMPC3
Analog power supply and reference power supply pin for 12-bit A/D
converter unit 0. Connect the AVCC0 pin to AVCC1, or AVCC2 when 12-
bit A/D converter unit 0 is not used.
Analog ground and reference ground pin for 12-bit A/D converter unit 0.
Connect the AVSS0 pin to AVSS1 or AVSS2 when 12-bit A/D converter
unit 0 is not used.
Analog power supply and reference power supply pin for 12-bit A/D
converter unit 1. Connect the AVCC1 pin to AVCC0, or AVCC2 when 12-
bit A/D converter unit 1 is not used.
Analog ground and reference ground pin for 12-bit A/D converter unit 1.
Connect the AVSS1 pin to AVSS0 or AVSS2 when 12-bit A/D converter
unit 1 is not used.
R01DS0278EJ0100 Rev.1.00
Mar 31, 2017
Page 11 of 131