R7F100LLL3CFB datasheet(86/148 Pages) RENESAS

86 / 148 page

RL78/L23

2. Electrical Characteristics

R01DS0502EJ0110 Rev.1.10

Page 86 of 145

Oct 31, 2025

4. In simplified SPI (CSI) communications in the slave mode with devices operating at same voltage levels with the

SCKp external clock

(Notes, Caution, and Remarks are listed on the next page.)

(TA = -40 to +105°C, 1.6 V ≤ VDD ≤ 5.5 V, VSS = EVSS = 0 V)

(1/2)

Item

Symbols

Conditions

(high-speed main)

mode

(low-speed main)

mode

(low-power main)

mode

Unit

Min.

Max.

Min.

Max.

Min.

Max.

SCKp cycle time

Note 1

tKCY2

4.0 V ≤ VDD ≤ 5.5 V 20 MHz < fMCK

8/fMCK

—ns

fMCK ≤ 20 MHz

6/fMCK

2.7 V ≤ VDD ≤ 5.5 V 16 MHz < fMCK

8/fMCK

—ns

fMCK ≤ 16 MHz

6/fMCK

2.4 V ≤ VDD ≤ 5.5 V

6/fMCK

and 500

6/fMCK

and 500

6/fMCK

and 500

1.8 V ≤ VDD ≤ 5.5 V

6/fMCK

and 750

6/fMCK

and 750

6/fMCK

and 750

1.6 V ≤ VDD ≤ 5.5 V

6/fMCK

and

1500

6/fMCK

and

1500

6/fMCK

and

1500

SCKp

high-level width,

low-level width

tKH2,

tKL2

4.0 V ≤ VDD ≤ 5.5 V

tKCY2/2

-7

tKCY2/2

-7

tKCY2/2

-7

2.7 V ≤ VDD ≤ 5.5 V

tKCY2/2

-8

tKCY2/2

-8

tKCY2/2

-8

1.8 V ≤ VDD ≤ 5.5 V

tKCY2/2

-18

tKCY2/2

-18

tKCY2/2

-18

1.6 V ≤ VDD ≤ 5.5 V

tKCY2/2

-66

tKCY2/2

-66

tKCY2/2

-66

R7F100LLL3CFB Datasheet(PDF) 86 Page - Renesas Technology Corp

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