R7F100LLL3CFB datasheet(35/148 Pages) RENESAS

35 / 148 page

RL78/L23

1. Outline

R01DS0502EJ0110 Rev.1.10

Page 35 of 145

Oct 31, 2025

• 100-pin plastic LQFP (14 × 20 mm, 0.65-mm pitch)

Caution 1. Connect the EVSS pin to the same ground as the VSS pin.

Caution 2. Connect the REGC pin to VSS via a capacitor (0.47 to 1 µF).

Remark 1. For pin identification, see 1.4 Pin Identification.

Remark 2. When using the microcontroller for an application where the noise generated inside the microcontroller must be reduced,

it is recommended to connect the VSS and EVSS pins to separate ground lines.

Remark 3. Functions in parentheses can be assigned via settings in the peripheral I/O redirection registers (PIORx). For details, see

4.3.10 Peripheral I/O redirection registers (PIORx) in the RL78/L23 User’s Manual.

P46/SEG26/SI31/SDA31/(SCK21)/(SCL21)/(SCL01)/(SCK01)

P45/IVREF0/TxDA2/SCK30/SCL30/EXSDO0

P44/IVCMP0/RxDA2/SI30/SDA30/RxD3/EXSDO1/(TI04)/(TO04)/(INTP7)/(SCK11)/(SCL11)

P43/IVCMP1/SO30/TxD3/(TI05)/(TO05)/(INTP4)/(RxDA1)/(SI11)/(SDA11)

P42/TI05/TO05/IVREF1/TRJO0/(INTP7)/(TxDA1)/(SCLA0)/(RxD0)/(TxD1)/(SI00)/(SDA00)/(SO10)/(SO11)/(PCLBUZ1)

P41/(TI07)/(TO07)/(INTP6)/(TxD0)/(RxDA3)/(SDAA0)/(SO00)/(SI10)/(SDA10)/(RxD1)

P66/(TI05)/(TO05)/(INTP1)/(SCK10)/(SCL10)/(TxDA3)

P67/(INTP2)/(TI01)/(TO01)

P40/TOOL0/(TI00)/(TO00)/(SCK00)/(SCL00)

RESET

P124/XT2/EXCLKS

P123/XT1

P137/INTP0/EI137

P122/X2/EXCLK/EI122

P121/X1/VBAT0/EI121

REGC

VSS

VDD

RL78/L23

(Top View)

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

100

P80/(INTP2)/(SCK20)/(SCL20)

P04/SEG47/VCOUT1/TS35/(INTP6)/(SO20)/(TxD2)/(PCLBUZ0)

P05/SCK10/SCL10/SEG48/TS34/EO05

P06/SI10/RxD1/SDA10/SEG49/TS33/EI06/(PCLBUZ1)

P07/SO10/TxD1/SEG50/TS32/EI07/(PCLBUZ0)

P81/(RxD1)/(SI10)/(SDA10)

P82/(SCK10)/(SCL10)/(PCLBUZ0)

P90/COM0/TS31/(TI00)/(TO00)/(INTP1)

P91/COM1/TS30/(INTP2)

P92/COM2/TS29/(TI01)/(TO01)

P93/COM3/TS28/(INTP3)/(SCK01)/(SCL01)

P94/COM4/SEG0/TS27/(INTP2)/(SI01)/(SDA01)/(TI06)/(TO06)

P95/COM5/SEG1/TS26/(TI02)/(TO02)/(INTP1)/(SO01)

P96/COM6/SEG2/TS25/(INTP5)/(SI01)/(SDA01)/(SDAA1)/(PCLBUZ0)

P97/COM7/SEG3/TS24/(TI05)/(TO05)/(SCK01)/(SCL01)/(SCLA1)

P50/SEG4/TS23/TxDA3

P51/SEG5/TS22/RxDA3/(INTP6)

P52/TI00/TO00/INTP1/SEG6/TS21/SO01/(PCLBUZ1)

P53/INTP2/SEG7/TS20/SI01/SDA01/(TI07)/(TO07)/(PCLBUZ0)

P54/TI02/TO02/SEG8/TS19/SCK01/SCL01/(INTP0)/(PCLBUZ0)

16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

P60/SCLA0/CCD04/EO60/(TI01)/(TO01)/(INTP3)

P61/SDAA0/CCD05/EO61/(TI02)/(TO02)/(INTP4)

R7F100LLL3CFB Datasheet(PDF) 35 Page - Renesas Technology Corp

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