R5F10DMDCLFB datasheet(38/139 Pages) RENESAS

38 / 139 page

RL78/D1A

2. PIN FUNCTIONS

R01DS0463EJ0120 Rev. 1.20

Page 38 of 135

Mar 31, 2026

Table 2-6. R5F10DSJ, R5F10DSK, R5F10DSL (2/4)

Pin Name

I/O

Function

During

Reset

After

Reset

Alternate Function

P50

I/O

Port 5. 8-bit I/O port.

Input of P50 to P52 and P55 to P57 can

be set to schmitt 1 input buffer.

Output of P50 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

TI02/TO02/SDA11/SEG49

P51

TI04/TO04/SCK10/SEG50

P52

TI06/TO06/SI10/SEG51

P53

TI13/TO13/SO10/SEG52

P54

TI14/TO14/SO01/SEG2

P55

TI15/TO15/SI01/SEG3

P56

TI16/TO16/SCK01/SEG4

P57

TI17/TO17/SEG5

P60

I/O

Port 6. 7-bit I/O port.

Input of P61, P63 can be set to

schmitt 1 input buffer.

Output of P60 and P61 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.

Input

SCL11/TI20/TO20/INTP1

P61

SDA11/TI21/TO21/INTP3

P62

CTxD1/TI27/TO27

P63

CRxD1/TI26/TO26

P64

RTC1HZ/TI11/TO11

P65

TI25/TO25

P66

TI24/TO24/PCL

P70

I/O

Port 7. 6-bit I/O port.

Input of P70 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.

Input

CRxD0/LRxD0/INTPLR0/TI03/TO03/TOOLRxD

P71

CTxD0/LTxD0/TOOLTxD

P72

Ext.: PD

Int.: HZ

SGOA/ADTRG/SEG1

P73

SGO/SGOF/SEG0

P74

SCK01/TI23/TO23/SEG26

P75

SI01/TI22/TO22/SEG27/PCL

P80

I/O

Port 8. 8-bit I/O port.

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

SM11/TI01/TO01/SEG32

P81

SM12/TI03/TO03/SEG33

P82

SM13/TI05/TO05/SEG34

P83

SM14/ZPD14/TI07/TO07/SEG35

P84

SM21/TI11/TO11/SEG36

P85

SM22/TI13/TO13/SEG37

P86

SM23/TI15/TO15/SEG38

P87

SM24/ZPD24/TI17/TO17/SEG39

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

PD: Pull down, HZ: High impedance

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