R5F52607ADFN datasheet(14/142 Pages) RENESAS

14 / 142 page

R01DS0430EJ0100 Rev.1.00

Page 14 of 142

Jul 31, 2024

RX260 Group, RX261 Group

1. Overview

1.4

Pin Functions

Table 1.4 lists the pin functions.

Table 1.4

Pin Functions (1/4)

Classifications

Pin Name

I/O

Description

Power supply

VCC

Input

Power supply pin. Connect it to the system power supply.

VCL

Input

Connect this pin to the VSS pin via the 4.7 µF smoothing capacitor used to

stabilize the internal power supply. Place the capacitor close to the pin.

VSS

Input

Ground pin. Connect it to the system power supply (0 V).

Clock

XTAL

Output

Pins for a crystal resonator. An external clock can be input through the

EXTAL pin.

EXTAL

Input

XCIN

Input

Input/output pins for the sub-clock oscillator. Connect a crystal between

XCIN and XCOUT.

XCOUT

Output

EXCIN

Input

External clock input pin for the sub-clock oscillator

CLKOUT

Output Clock output pin

Operating mode

control

Input

Pin for setting the operating mode. The signal levels on this pin must not

be changed during operation.

Input

This pin is used in boot mode (USB interface).

UPSEL

Input

This pin is used in boot mode (USB interface).

System control

RES#

Input

Reset pin. This MCU enters the reset state when this signal goes low.

Voltage

detection circuit

CMPA2

Input

Detection target voltage pin for voltage detection 2.

CAC

CACREF

Input

Input pin for the clock frequency accuracy measurement circuit

On-chip

emulator

FINED

I/O

FINE interface pin

Interrupts

NMI

Input

Non-maskable interrupt request pin

IRQ0 to IRQ7

Input

Interrupt request pins

General PWM

timer

GTETRGA, GTETRGB,

GTETRGC, GTETRGD

Input

External trigger input pins

GTIOC0A to GTIOC7A,

GTIOC0B to GTIOC7B

I/O

Input capture input/output compare output/PWM output pins

GTIOC0A# to GTIOC7A#,

GTIOC0B# to GTIOC7B#

I/O

Input capture inverted input/output compare inverted output/PWM inverted

output pins

GTCPPO0

Output

Synchronized PWM output

GTIU, GTIV, GTIW

Input

Hall sensor input pins

GTOUUP

Output

A three-phase PWM output for controlling a brushless DC motor (positive

U-phase)

GTOULO

Output

A three-phase PWM output for controlling a brushless DC motor (negative

U-phase)

GTOVUP

Output

A three-phase PWM output for controlling a brushless DC motor (positive

V-phase)

GTOVLO

Output

A three-phase PWM output for controlling a brushless DC motor (negative

V-phase)

GTOWUP

Output

A three-phase PWM output for controlling a brushless DC motor (positive

W-phase)

GTOWLO

Output

A three-phase PWM output for controlling a brushless DC motor (negative

W-phase)

Realtime clock

RTCOUT

Output

Output pin for the 1-Hz/64-Hz clock

RTCIC0 to RTCIC2

Input

Time capture event input pins

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