R5F10DMGLFB datasheet(30/139 Pages) RENESAS

30 / 139 page

RL78/D1A

2. PIN FUNCTIONS

R01DS0463EJ0120 Rev. 1.20

Page 30 of 135

Mar 31, 2026

2.1.2 64-pin products

Table 2-3. Port Pins for R5F10CLD, R5F10DLD, R5F10DLE (1/2)

Pin Name

I/O

Function

During

Reset

After

Reset

Alternate Function

P00

I/O

Port 0. 7-bit I/O port.

Input of P01 can be set to schmitt 1 input

buffer.

Input/output can be specified in 1-bit units.

Use of an on-chip pull-up resistor can be

specified by a software setting.

Ext.: PD

Int.: HZ

Input

TI00/TO00/CTxD0/SEG14Note1

P01

TI01/TO01/CRxD0/SEG15Note1

P02

SO00/TI02/TO02/TI12/TO12/SEG16

P03

SI00/TI03/TO03/TI13/TO13/SEG17

P04

SCK00/TI04/TO04/TI14/TO14/SEG18

P05

TI05/TO05/TI15/TO15/SEG19

P07

TI07/TO07/TI17/TO17/SEG21

P10

I/O

Port 1. 7-bit I/O port.

Input of P10, P11, and P17 can be set to

schmitt 1 input buffer.

Input/output can be specified in 1-bit units.

Use of an on-chip pull-up resistor can be

specified by a software setting.

Ext.: PD

Int.: HZ

Input

LTxD1/SCK00/TI10/TO10/INTP4/SEG31

P11

LRxD1/INTPLR1/SI00/TI11/TO11/SEG30

P12

SO00/TI12/TO12/INTP2/SEG29

P13

SO01/TI13/TO13/SEG25

P14

TI14/TO14/LRxD0/INTPLR0/SEG24

P15

TI15/TO15/LTxD0/RTC1HZ/SEG23

P17

TI17/TO17/INTP0/SEG28

P20

I/O

Port 2. 5-bit I/O port.

Can be set to analog input Note2

Input/output can be specified in 1-bit units.

Analog

Input

AVREFP/ANI0

P21

AVREFM/ANI1

P22

ANI2

P23

ANI3

P27

ANI7

P30

I/O

Port 3. 4-bit I/O port.

Input of P31 can be set to schmitt 1 input

buffer.

Output of P30 and P31 can be set to N-ch

open-drain output.

Input/output can be specified in 1-bit units.

Use of an on-chip pull-up resistor can be

specified by a software setting.

Ext.: PD

Int.: HZ

Input

TI20/TO20/SCL11/SEG6

P31

TI21/TO21/SDA11/SEG7

P32

TI22/TO22/SEG8

P33

TI23/TO23/SEG9

P40

I/O

Port 4. 1-bit I/O port.

Input/output can be specified.

Use of an on-chip pull-up resistor can be

specified by a software setting.

Ext.: HZ

Int.: PU

Input

TOOL0

P54

I/O

Port 5. 4-bit I/O port.

Input of P55 to P57 can be set to schmitt

1 input buffer.

Input/output can be specified in 1-bit units.

Use of an on-chip pull-up resistor can be

specified by a software setting.

Ext.: PD

Int.: HZ

Input

TI14/TO14/SO01/SEG2

P55

TI15/TO15/SI01/SEG3

P56

TI16/TO16/SCK01/SEG4

P57

TI17/TO17/SEG5

Remark Ext. (external reset): POR reset or pin reset, Int. (internal reset): WDT reset or LVD reset,

PD: Pull down, PU: Pull up, HZ: High impedance

Notes 1. CTxD0 and CRxD0 are not provided for R5F10CLD with no CAN channel.

2. Setting digital or analog to each pin can be done in A/D port configuration register (ADPC).

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