F24 datasheet(6/210 Pages) RENESAS

6 / 210 page

RL78/F23, F24

1. OVERVIEW

R01DS0446EJ0120 Rev.1.20

Page 6 of 207

Dec 31, 2025

Table 1-5. RL78/F23 Functions List (2/2)

Function Items

Series Name

R7F123FMG

R7F123FLG

R7F123FGG

R7F123FBG

Pin Count

80 pins

64 pins

48 pins

32 pins

Serial I/F

CSI/simplified I2C /UART

4 ch / 4 ch / 2 ch

3 ch / 3 ch / 2 ch

SPI

Yes

Multimaster I2C

1 ch

LIN/UART module (RLIN3)

1 ch

CAN interface (RS-CANFD lite)

None

A/D converter

12 bit

High Speed

16 ch

13 ch

8 ch

Normal Speed

9 ch

8 ch

6 ch

2 ch

Internal

1 ch (Internal reference voltage)

D/A converter

8-bit

None

Comparator

None

ELC

None

PCLBUZ

1 ch

None

Application accelerator unit

Yes

Self-programming

Yes

On-chip debug

Trace

Yes

Hot plug-in

Yes

Option byte

Yes

Security Functions

AESEA

ECB/CBC mode and CMAC (AES-128, 192, 256)

Random Number Generator (TRNG)

Yes

Notes 1. The following pairs of internal and external sources are each counted as a single source in this number: INTP4

and INTSPM.

2. The following pairs of internal and external sources are each counted as a single source in this number: INTP4

and INTSPM, INTP6 and INTTM11H, INTP7 and INTTM13H, INTP8 and INTRTC, INTP9 and INTTM01H.

3. The following pairs of internal and external sources are each counted as a single source in this number: INTP4

and INTSPM, INTP6 and INTTM11H, INTP7 and INTTM13H, INTP8 and INTRTC, INTP9 and INTTM01H, INTP10

and INTTM03H.

4. The following pairs of internal and external sources are each counted as a single source in this number: INTP4

and INTSPM, INTP6 and INTTM11H, INTP7 and INTTM13H, INTP8 and INTRTC, INTP9 and INTTM01H, INTP10

and INTTM03H, INTP13 and INTCLM.

5. INTP11 and INTLIN0WUP are counted as a single source because using them at the same time is not possible.

6. Do not use the XT1 and XT2 pin functions in grade-5 products.

7. These functions are provided but they are not Safety Mechanism.

・

Illegal instruction execution detection function

・

SFR/RAM guard function

・

I/O port output signal level detection function

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