R7F100LLL3CFB datasheet(11/148 Pages) RENESAS

11 / 148 page

RL78/L23

1. Outline

R01DS0502EJ0110 Rev.1.10

Page 11 of 145

Oct 31, 2025

1.3.2

48-pin products

• 48-pin plastic LFQFP (7 × 7 mm, 0.50-mm pitch)

• 48-pin plastic HWQFN (7 × 7 mm, 0.50-mm pitch)

Note 1. Not present in products with 128 or fewer Kbytes of code flash memory.

Note 2. The 48-pin plastic LFQFP (7 × 7 mm, 0.50-mm pitch) products do not have an exposed die pad.

Caution

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. 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.

Remark 3. For products in the HWQFN package, solder the exposed die pad to the printed circuit board.

We recommend leaving the destination for mounting of the exposed die pad electrically open-circuit.

36 35 34 33 32 31 30 29 28 27 26 25

RL78/L23

(Top View)

P57/INTP6/SEG11/TSCAP/(TI03)/(TO03)/(REMOOUT)

P75/KR5/SEG17/TS11/CCD02/SCK20/SCL20/(TKBO11)

Note 1/(TKBO01)/(TI03)/(TO03)/(REMOOUT)/(INTP0)

P76/KR6/SEG18/TS10/CCD01/TKBO00/SI20/SDA20/RxD2/EI76/EO76/(INTP2)/(RTC1HZ)/(EXSDO1)

P77/KR7/SEG19/TS09/CCD00/TKBO01/SO20/TxD2/EI77/EO77/(TKBO21)Note 1/(TI07)/(TO07)/(INTP1)/(EXSDO0)

P125/VL3/TS02/(TI06)/(TO06)/(INTP7)/(SDA30)/(PCLBUZ1)

P85/VL4/(VCOUT0)/(INTP4)/(SCK10)/(SCL10)/(SCL30)

P86/VL2/(TI06)/(TO06)/(INTP3)/(RxD1)/(SI10)/(SDA10)/(PCLBUZ1)

P87/VL1/(TxD1)/(SO10)

P126/CAPL/TS01/(TI04)/(TO04)/(INTP4)

P127/CAPH/TS00/(TI03)/(TO03)/(REMOOUT)

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

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

Exposed die pad

23 456 7 8 9 10 11 12

P20/ANI1/AVREFM/EI20/(TI00)/(INTP7)/(PCLBUZ1)

P21/ANI0/AVREFP/VBAT1/EI21/(TO00)/(INTP6)/(PCLBUZ0)

P22/ANI16/SEG29/SCK21/SCL21/(SCK00)/(SCL00)/(INTP7)

P26/ANI20/SEG33/ANO0/EI26/TxDA1/SI21/SDA21/(TKBO20)

Note 1/(INTP5)/(RxD0)/(SI00)/(SDA00)/(EXSDI0)

P27/ANI21/SEG34/ANO1/EI27/RxDA1/SO21/(TKBO21)Note 1/(INTP4)/(TxD0)/(SO00)/(EXSDI1)

P10/ANI22/SEG35/TxDA0/SCK11/SCL11/(TKBO10)Note 1/(INTP0)

P11/ANI23/SEG36/RxDA0/SI11/SDA11/(TKBO11)Note 1/(TRJIO1)Note 1/(INTP1)

P12/ANI24/SEG37/EI12/CLKA0/SO11/(TKBO00)/(TRJO1)

Note 1/(PCLBUZ1)

P13/ANI25/SEG38

P16/SEG41/SCK00/SCL00/EI16/(VCOUT0)/(TKBO01)/(RTC1HZ)

P17/SEG42/SI00/RxD0/TOOLRxD/SDA00/EI17/EO17/EXSDI1/(TKBO01)/(TRJIO0)

P00/SEG43/SO00/TxD0/TOOLTxD/EI00/EO00/EXSDI0/(TKBO01)/(TRJO0)

Note 2

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