F0440 Datasheet

© 2021 Renesas Electronics Corporation

25

November 4, 2021

Figure 50. Control Pin Interface

If control signal integrity is a concern and clean signals cannot be guaranteed due to overshoot, undershoot, ringing, etc., the following circuit

at the input of each control pin is recommended. This applies to all SPI and control pins as shown below. Note the recommended resistor and

capacitor values do not necessarily match the EV kit BOM for the case of poor control signal integrity.

9

8

7

6

5

4

3

2

1

18

17

16

15

14

13

12

11

10

27

26

25

24

23

22

21

20

19

36

35

34

33

32

31

30

29

28

VCTRL2_A

5Kohm

2pf

SPI Data

5Kohm

2pf

SPI Clk

VCTRL2_B

STBY_B

VCTRL1_B

5Kohm

2pf

VCTRL0_A

2pf

5Kohm

VCTRL0_B

5Kohm

2pf

5Kohm

2pf

5Kohm

2pf

2pf

5Kohm

IDTF0440

Exposed pad (GND)

STBY_A

2pf

5Kohm

VCTRL1_A

2pf

5Kohm

SPI CSb_A

2pf

5Kohm

5Kohm

2pf

SPI CSb_B