R5F121BCAFP datasheet(9/85 Pages) RENESAS

9 / 85 page

RL78/G16

1. OUTLINE

R01DS0431EJ0130

Rev.1.30

Page 9 of 85

May 19, 2025

1.3.3

20-pin products

 20-pin plastic LSSOP/TSSOP (4.4 × 6.5 mm, 0.65-mm pitch)

RL78/G16

(Top View)

P21/ANI9/TS10/SO20/TxD2/(INTP7)/(TO00)/(RxD1)

P20/ANI10/TS11/SI20/RxD2/SDA20/(INTP1)/(TI00)/(TO00)/(TI03/TO03)/

(SCK11/SCL11)/(TxD1)

P41/RTC1HZ/TS13/TI03/TO03/SCK20/SCL20/(VCOUT0)/(VCOUT1)/(INTP3)/(INTP4)/

(TI02/TO02)/(SO11)/(SDA11)

P40/TOOL0/INTP2/(PCLBUZ0)/(TI01/TO01)

P137/INTP0/TI00

P122/X2/XT2/EXCLK/EXCLKS/TI05/TO05/(INTP2)

P121/X1/XT1/TI07/TO07/(INTP3)/(INTP4)/(INTP5)

VSS

VDD

P22/ANI8/TS09/(INTP5)/(TI06/TO06)/(SDA11)

P23/ANI7/TS08/(INTP6)/(TI04/TO04)/(SCL11)

P07/ANI6/VCOUT1/TS07/TI04/TO04/SCK11/SCL11/SDAA0/(INTP5)/(TO03)

P06/ANI5/IVREF1/TS06/SI11/SDA11/SCLA0/(PCLBUZ0)/(INTP7)/(TI03/TO03)/(SCK00/SCL00)

P05/ANI4/IVCMP1/TS05/SO11/(INTP6)/(TI02/TO02)/(TI07/TO07)/(SCK00/SCL00)/(SI00/RxD0/SDA00)

P04/ANI3/IVREF0/INTP3/TS04/TI06/TO06/TxD1/(TI01/TO01)/(SI00/RxD0/SDA00)/(SO00/TxD0)

P03/ANI2/IVCMP0/INTP4/TS03/TO00/RxD1/(TI00)/(TI05/TO05)/(SO00/TxD0)

P02/PCLBUZ0/ANI1/VCOUT0/INTP7/TSCAP/TI01/TO01/SCK00/SCL00/(TI02/TO02)/(SO11)

P01/TOOLRxD/ANI0/INTP5/TS00/TI02/TO02/SI00/RxD0/SDA00/(TI01/TO01)/(SI11/SDA11)/(SDAA0)

P00/TOOLTxD/INTP6/SO00/TxD0/(RTC1HZ)/(TI02/TO02)/(SCK11/SCL11)/(SCLA0)

P125/RESET/INTP1/(VCOUT0)/(VCOUT1)/(INTP0)/(SI11)

Table 1-4. Multiplexed Functions of 20-pin Products (1/2)

No.

I/O

Analog

HMI

Timer

Communications Interface

P21

—

ANI9

—

(INTP7)

TS10

(TO00)

SO20/TxD2

(RxD1)

—

P20

—

ANI10

—

(INTP1)

TS11

(TI00)

(TO00)

(TI03/TO03)

SI20/RxD2/SDA20

(SCK11/SCL11)

(TxD1)

—

P41

RTC1HZ

—

(VCOUT0)

(VCOUT1)

(INTP3)

(INTP4)

TS13

TI03/TO03

(TI02/TO02)

SCK20/SCL20

(SO11)/(SDA11)

—

P40

TOOL0

(PCLBUZ0)

—

INTP2

—

(TI01/TO01)

—

P125

RESET

¯¯¯¯¯¯

—

(VCOUT0)

(VCOUT1)

INTP1

(INTP0)

—

(SI11)

—

P137

—

INTP0

—

TI00

—

P122

X2/XT2

EXCLK/EXCLKS

—

(INTP2)

—

TI05/TO05

—

P121

X1/XT1

—

(INTP3)

(INTP4)

(INTP5)

—

TI07/TO07

—

VSS

—

VDD

—

P00

TOOLTxD

(RTC1HZ)

—

INTP6

—

(TI02/TO02)

SO00/TxD0

(SCK11/SCL11)

(SCLA0)

P01

TOOLRxD

ANI0

—

INTP5

TS00

TI02/TO02

(TI01/TO01)

SI00/RxD0/SDA00

(SI11/SDA11)

(SDAA0)

P02

PCLBUZ0

ANI1

VCOUT0

INTP7

TSCAP

TI01/TO01

(TI02/TO02)

SCK00/SCL00

(SO11)

—

P03

—

ANI2

IVCMP0

INTP4

TS03

TO00

(TI00)

(TI05/TO05)

RxD1

(SO00/TxD0)

—

P04

—

ANI3

IVREF0

INTP3

TS04

TI06/TO06

(TI01/TO01)

TxD1

(SI00/RxD0/SDA00)

(SO00/TxD0)

—

P05

—

ANI4

IVCMP1

(INTP6)

TS05

(TI02/TO02)

(TI07/TO07)

SO11

(SCK00/SCL00)

(SI00/RxD0/SDA00)

—

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