RX113 datasheet(9/131 Pages) RENESAS

9 / 131 page

R01DS0216EJ0120 Rev.1.20

Page 9 of 131

Sep 07, 2020

RX113 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

—

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).

VCC_USB

Input

Power supply pin for USB. Connect this pin to VCC.

VSS_USB

Input

Ground pin for USB. Connect this pin to VSS.

Analog power

supply

AVCC0

Input

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

Connect this pin to VCC when not using the 12-bit A/D converter and D/A

converter.

AVSS0

Input

Analog ground pin for the 12-bit A/D converter and D/A converter. Connect

this pin to VSS when not using the 12-bit A/D converter and D/A converter.

VREFH0

Input

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

VREFL0

Input

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

VREFH

Input

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

VREFL

Input

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

Clock

XTAL

Output/

Input*1

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

XTAL pin.

EXTAL

Input

XCIN

Input

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

XCIN and XCOUT.

XCOUT

Output

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.

UB#

Input

Pin used for boot mode (USB interface).

UPSEL

Input

Pin used for boot mode (USB interface).

System control

RES#

Input

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

CAC

CACREF

Input

Input pin for the clock frequency accuracy measurement circuit.

On-chip

emulator

FINED

I/O

FINE interface pin.

LVD

CMPA2

Input

Detection target voltage pin for voltage detection 2.

Interrupts

NMI

Input

Non-maskable interrupt request pin.

IRQ0 to IRQ7

Input

Interrupt request pins.

Multi-function

timer pulse unit 2

MTIOC0A, MTIOC0B,

MTIOC0C, MTIOC0D

I/O

The TGRA0 to TGRD0 input capture input/output compare output/PWM

output pins.

MTIOC1A, MTIOC1B

I/O

The TGRA1 and TGRB1 input capture input/output compare output/PWM

output pins.

MTIOC2A, MTIOC2B

I/O

The TGRA2 and TGRB2 input capture input/output compare output/PWM

output pins.

MTIOC3A, MTIOC3B,

MTIOC3C, MTIOC3D

I/O

The TGRA3 to TGRD3 input capture input/output compare output/PWM

output pins.

MTIOC4A, MTIOC4B,

MTIOC4C, MTIOC4D

I/O

The TGRA4 to TGRD4 input capture input/output compare output/PWM

output pins.

MTIC5U, MTIC5V, MTIC5W

Input

The TGRU5, TGRV5, and TGRW5 input capture input/external pulse input

pins.

MTCLKA, MTCLKB,

MTCLKC, MTCLKD

Input

Input pins for the external clock.

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