R5F10CMDCLFB datasheet(46/139 Pages) RENESAS

46 / 139 page

RL78/D1A

2. PIN FUNCTIONS

R01DS0463EJ0120 Rev. 1.20

Page 46 of 135

Mar 31, 2026

(6/6)

Function

Name

I/O

Function

48-pin

64-pin

80-pin

100-pin

128-pin

R5F10CGx/

R5F10DGx

R5F10CLx/

R5F10DLx

R5F10CMx/

R5F10DMx

R5F10TPx/

R5F10DPx

R5F10DSx

EXCLK

Input

External clock input for main

system clock

122

Resonator connection for

main system clock

123

122

XT1

Resonator connection for sub

clock

–

120

XT2

–

119

RESET

____________

Input

External system reset input

118

TOOLRxD

Input

UART reception pin for the

external device connection

used during flash memory

programming

–

116

TOOLTxD

Output UART transmission pin for the

external device connection

used during flash memory

programming

–

115

TOOL0

Input/

output

Data I/O for flash memory

programmer/debugger

114

REGC

Connecting regulator output

stabilization capacitance for

internal operation.

Connect to VSS via a

capacitor (0.47 to 1 μF).

124

VDD

Power supply for P20 to P27,

P150, P137, P121 to P124,

RESET

127

EVDD,

EVDD0,

EVDD1

Power supply for

P00 to P07, P10 to P17,

P30 to P37, P50 to P57,

P60 to P66, P70 to P75,

P130 to P136 and P140

25, 33

8, 128

SMVDD,

SMVDD0,

SMVDD1

Power supply for P80 to P87,

P90 to P97

66, 76

81, 91

74, 84

VSS

Ground potential for

P20-P27, P150, P137,

P121 to P124, RESET

125

EVSS,

EVSS0,

EVSS1

Ground potential for

P00 to P07, P10 to P17,

P30 to P37, P50 to P57,

P60 to P66, P70 to P75,

P130 to P136 and P140

23, 34

9, 126

SMVSS,

SMVSS0,

SMVSS1

Ground potential for

P80 to P87, P90 to P97

65, 75

80, 90

73, 83

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