RA4C1 datasheet(11/97 Pages) RENESAS

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Table 1.15

Pin functions (3 of 3)

Function

Signal

I/O

Description

Analog power supply

AVCC0

Input

Analog voltage supply pin. This is used as the analog power supply

for the respective modules. Supply this pin with the same voltage as

the VCC pin.

AVSS0

Input

Analog ground pin. This is used as the analog ground for the

respective modules. Supply this pin with the same voltage as the

VSS pin.

VREFH0

Input

Analog reference voltage supply pin for the ADC12. Connect this pin

to AVCC0 when not using the ADC12.

VREFL0

Input

Analog reference ground pin for the ADC12. Connect this pin to

AVSS0 when not using the ADC12.

ADC12

AN0n

Input

Input pins for the analog signals to be processed by the A/D

converter.

ADTRG0

Input

Input pins for the external trigger signals that start the A/D

conversion, active-low.

SLCDC

VL1, VL2, VL3, VL4

I/O

Voltage pin for driving the LCD

CAPH, CAPL

I/O

Capacitor connection for the LCD controller/driver

COM0 to COM7

Output

Common signal output pins for the LCD controller/driver

SEG0 to SEG47

Output

Segment signal output pins for the LCD controller/driver

I/O ports

Pmn

I/O

General-purpose input/output pins

(m: port number, n: pin number)

P200

Input

General-purpose input pin

RA4C1 Datasheet

1. Overview

R01DS0457EJ0110 Rev.1.10

Jul 4, 2025

Page 11 of 97

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