RX72N datasheet(25/179 Pages) RENESAS

25 / 179 page

RX72N Group

1. Overview

R01DS0343EJ0120 Rev.1.20

Page 25 of 179

Nov 15, 2023

Note:

Note the following regarding pin names. For details, refer to section 1.5, Pin Assignments.

- We recommend using pins that have a letter (“-A”, “-B”, etc.) to indicate group membership appended to their names as

Analog power supply

AVCC0

Input

Analog voltage supply pin for the 12-bit A/D converter (unit 0).

Connect this pin to a branch from the VCC power supply.

Connect the pin to AVSS0 via a 0.1-µF multilayer ceramic

capacitor. The capacitor should be placed close to the pin.

AVSS0

Input

Analog ground pin for the 12-bit A/D converter (unit 0). Connect

this pin to a branch from the VSS ground power supply.

Connect the pin to AVCC0 via a 0.1-µF multilayer ceramic

capacitor. The capacitor should be placed close to the pin.

VREFH0

Input

Analog reference voltage supply pin for the 12-bit A/D converter

(unit 0). Connect this pin to VCC if the 12-bit A/D converter is

not to be used.

VREFL0

Input

Analog reference ground pin for the 12-bit A/D converter (unit

0). Connect this pin to VSS if the 12-bit A/D converter is not to

be used.

AVCC1

Input

Analog voltage supply and reference voltage supply pin for the

12-bit A/D converter (unit 1) and D/A converter. This pin also

supplies the analog voltage to the temperature sensor. Connect

this pin to a branch from the VCC power supply. Connect the

pin to AVSS1 via a 0.1-µF multilayer ceramic capacitor. The

capacitor should be placed close to the pin.

AVSS1

Input

Analog voltage supply and reference voltage supply pin for the

12-bit A/D converter (unit 1) and D/A converter. This pin also

supplies the analog ground voltage to the temperature sensor.

Connect this pin to a branch from the VSS ground power

supply. Connect the pin to AVCC1 via a 0.1-µF multilayer

ceramic capacitor. The capacitor should be placed close to the

pin.

I/O ports

P00 to P03, P05, P07

I/O

6-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 (P35: input pin)

P40 to P47

I/O

8-bit input/output pins

P50 to P57

I/O

8-bit input/output pins

P60 to P67

I/O

8-bit input/output pins

P70 to P77

I/O

8-bit input/output pins

P80 to P87

I/O

8-bit input/output pins

P90 to P97

I/O

8-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 PC7

I/O

8-bit input/output pins

PD0 to PD7

I/O

8-bit input/output pins

PE0 to PE7

I/O

8-bit input/output pins

PF0 to PF5

I/O

6-bit input/output pins

PG0 to PG7

I/O

8-bit input/output pins

PJ0 to PJ3, PJ5

I/O

5-bit input/output pins

PH0 to PH7

I/O

8-bit input/output pins

PK0 to PK7

I/O

8-bit input/output pins

PL0 to PL7

I/O

8-bit input/output pins

PM0 to PM7

I/O

8-bit input/output pins

PN0 to PN5

I/O

6-bit input/output pins

PQ0 to PQ7

I/O

8-bit input/output pins

Table 1.4

Pin Functions (8/8)

Classifications

Pin Name

I/O

Description

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