R7FA2L1AB2DFN datasheet(10/110 Pages) RENESAS

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1.5

Pin Functions

Table 1.13

Pin functions (1 of 3)

Function

Signal

I/O

Description

Power supply

VCC

Input

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

this pin to VSS by a 0.1-µF capacitor. Place the capacitor close to

the pin.

VCL

I/O

Connect this pin to the VSS pin by the 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).

VCC_DCDC

Input

Switching regulator power supply pin

VLO

I/O

Switching regulator pin

VSS_DCDC

Input

Switching regulator ground pin. Connect it to the system power

supply (0 V).

Clock

XTAL

Output

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

through the EXTAL pin.

EXTAL

Input

XCIN

Input

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

resonator between XCOUT and XCIN.

XCOUT

Output

CLKOUT

Output

Clock output pin

Operating mode control

Input

Pin for setting the operating mode. The signal level on this pin must

not be changed during operation mode transition on release from

the reset state.

System control

RES

Input

Reset signal input pin. The MCU enters the reset state when this

signal goes low.

CAC

CACREF

Input

Measurement reference clock input pin

On-chip debug

SWDIO

I/O

Serial wire debug data input/output pin

SWCLK

Input

Serial wire clock pin

Interrupt

NMI

Input

Non-maskable interrupt request pin

IRQ0 to IRQ7

Input

Maskable interrupt request pins

GPT

GTETRGA, GTETRGB

Input

External trigger input pins

GTIOCnA (n = 0 to 9),

GTIOCnB (n = 0 to 9)

I/O

Input capture, output compare, or PWM output pins

GTIU

Input

Hall sensor input pin U

GTIV

Input

Hall sensor input pin V

GTIW

Input

Hall sensor input pin W

GTOUUP

Output

3-phase PWM output for BLDC motor control (positive U phase)

GTOULO

Output

3-phase PWM output for BLDC motor control (negative U phase)

GTOVUP

Output

3-phase PWM output for BLDC motor control (positive V phase)

GTOVLO

Output

3-phase PWM output for BLDC motor control (negative V phase)

GTOWUP

Output

3-phase PWM output for BLDC motor control (positive W phase)

GTOWLO

Output

3-phase PWM output for BLDC motor control (negative W phase)

AGT

AGTEE0, AGTEE1

Input

External event input enable signals

AGTIO0, AGTIO1

I/O

External event input and pulse output pins

AGTO0, AGTO1

Output

Pulse output pins

AGTOA0, AGTOA1

Output

Output compare match A output pins

AGTOB0, AGTOB1

Output

Output compare match B output pins

RA2L1 Datasheet

1. Overview

R01DS0385EJ0100 Rev.1.00

Aug 06, 2020

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