R5F121BCAFP datasheet(17/85 Pages) RENESAS

17 / 85 page

RL78/G16

1. OUTLINE

R01DS0431EJ0130

Rev.1.30

Page 17 of 85

May 19, 2025

Table 1-6. Multiplexed Functions of 32-pin Products (2/2)

No.

I/O

Analog

HMI

Timer

Communications Interface

P06

(PCLBUZ0)

ANI5

IVREF1

(INTP7)

TS06

(TI03/TO03)

SI11/SDA11

(SCK00/SCL00)

(SCLA0)

P07

—

ANI6

VCOUT1

(INTP5)

TS07

TI04/TO04

(TO03)

SCK11/SCL11

(SDAA0)

P23

—

ANI7

—

(INTP6)

TS08

(TI04/TO04)

(SCL11)

—

P22

—

ANI8

—

(INTP5)

TS09

(TI06/TO06)

(SDA11)

—

P21

—

ANI9

—

(INTP7)

TS10

(TO00)

SO20/TxD2

(RxD1)

—

P20

—

ANI10

—

(INTP1)

TS11

(TI00)

(TO00)

(TI03/TO03)

SI20/RxD2/SDA20

(SCK11/SCL11)

(RxD1)

(TxD1)

—

P42

—

TS12

(TI00)

(TxD1)

—

P41

RTC1HZ

—

(VCOUT0)

(VCOUT1)

(INTP3)

(INTP4)

TS13

TI03/TO03

(TI02/TO02)

SCK20/SCL20

(SO11)

(SDA11)

—

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 register (PIOR).

Refer to Figure 4-6 Format of Peripheral I/O Redirection Registers 0 to 6 (PIOR0 to PIOR6) in the

RL78/G16 User’s Manual.

Remark 3.

For the product in a QFN package, solder the exposed die pad onto a plated area of the PCB that has no

electrical connections.

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