RX24U Datasheet, PDF (12/131 Pages) Renesas Technology Corp – 32-bit RXv2 CPU core

RX24U Group
1. Overview
Table 1.4
Pin Functions (4/4)
Classifications Pin Name
I/O
Description
Analog power
supply
AVCC2
—
Analog power supply and reference power supply pin for 12-bit A/D
converter unit 2. Analog power supply pin for D/A converter. Analog power
supply pin for comparator C. Connect the AVCC2 pin to AVCC0, or AVCC1
when these modules are not used.
AVSS2
—
Analog ground and reference ground pin for 12-bit A/D converter unit 2.
Analog ground pin for D/A converter. Analog ground pin for comparator C.
Connect the AVSS2 pin to AVSS0 or AVSS1 when these modules are not
used.
VREFH0
—
Reference voltage supply pin for the 12-bit A/D converter unit 0.: Connect
to AVCC0.
VREFL0
—
Reference ground pin for the 12-bit A/D converter unit 0.: Connect to
AVSS0.
VREFH1
—
Reference voltage supply pin for the 12-bit A/D converter unit 1. Connect
to AVCC1.
VREFL1
—
Reference ground pin for the 12-bit A/D converter unit 1. Connect to
AVSS1.
VREFH2
—
Reference voltage supply pin for the 12-bit A/D converter unit 2.: Connect
to AVCC2.
VREFL2
—
Reference ground pin for the 12-bit A/D converter unit 2.: Connect to
AVSS2.
I/O ports
P00 to P02
I/O
3-bit input/output pins.
P10 to P17
I/O
8-bit input/output pins.
P20 to P27
I/O
8-bit input/output pins.
P30 to P37
I/O
8-bit input/output pins.
P40 to P47
I/O
8-bit input/output pins.
P50 to P55
I/O
6-bit input/output pins.
P60 to P65
I/O
6-bit input/output pins.
P70 to P76
I/O
7-bit input/output pins.
P80 to P84
I/O
5-bit input/output pins.
P90 to P96
I/O
7-bit input/output pins.
PA0 to PA7
I/O
8-bit input/output pins.
PB0 to PB7
I/O
8-bit input/output pins.
PC0 to PC6
I/O
7-bit input/output pins.
PD0 to PD7
I/O
8-bit input/output pins.
PE0 to PE6
I/O
7-bit input/output pins (PE2: input).
PF0 to PF3
I/O
4-bit input/output pins.
PG0 to PG2
I/O
3-bit input/output pins.
Note:
When the A/D converter, D/A converter, and comparator C are not used, connect the AVCC0, AVCC1, AVCC2, VREFH0,
VREFH1 and VREFH2 pins to VCC, and connect the AVSS0, AVSS1, AVSS2, VREFL0, VREFL1 and VREFL2 pins to VSS,
respectively.
R01DS0278EJ0100 Rev.1.00
Mar 31, 2017
Page 12 of 131