RA4M1 datasheet(14/130 Pages) RENESAS

14 / 130 page

R01DS0355EJ0100 Rev.1.00

Page 14 of 130

Oct 8, 2019

RA4M1 Group

1. Overview

USBFS

VSS_USB

Input

Ground pin

VCC_USB_LDO

Input

Power supply pin for USB LDO regulator

VCC_USB

I/O

Input: USB transceiver power supply pin.

Output: USB LDO regulator output pin. This pin should be connected to an

external capacitor.

USB_DP

I/O

D+ I/O pin of the USB on-chip transceiver. This pin should be connected to the

D+ pin of the USB bus.

USB_DM

I/O

D- I/O pin of the USB on-chip transceiver. This pin should be connected to the

D- pin of the USB bus.

USB_VBUS

Input

USB cable connection monitor pin. This pin should be connected to VBUS of

the USB bus. The VBUS pin status (connected or disconnected) can be

detected when the USB module is operating as a device controller.

USB_EXICEN

Output

Low power control signal for external power supply (OTG) chip

USB_VBUSEN

Output

VBUS (5 V) supply enable signal for external power supply chip

USB_OVRCURA,

USB_OVRCURB

Input

Connect the external overcurrent detection signals to these pins. Connect the

VBUS comparator signals to these pins when the OTG power supply chip is

connected.

USB_ID

Input

Connect the MicroAB connector ID input signal to this pin during operation in

OTG mode

Analog power

supply

AVCC0

Input

Analog voltage supply pin

AVSS0

Input

Analog voltage supply ground pin

VREFH0

Input

Analog reference voltage supply pin

VREFL0

Input

Reference power supply ground pin

VREFH

Input

Analog reference voltage supply pin for D/A converter

VREFL

Input

Analog reference ground pin for D/A converter

ADC14

AN000 to AN014,

AN016 to AN025

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

DAC12

DA0

Output

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

Comparator

output

VCOUT

Output

Comparator output pin

ACMPLP

CMPREF0,

CMPREF1

Input

Reference voltage input pin

CMPIN0, CMPIN1

Input

Analog voltage input pins

OPAMP

AMP0+ to AMP3+

Input

Analog voltage input pins

AMP0- to AMP3-

Input

Analog voltage input pins

AMP0O to AMP3O

Output

Analog voltage output pins

CTSU

TS00 to TS13,

TS17 to TS22,

TS27 to TS31,

TS34, TS35

Input

Capacitive touch detection pins (touch pins)

TSCAP

Secondary power supply pin for the touch driver

Table 1.14

Pin functions (3 of 4)

Function

Signal

I/O

Description

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