Pin #

Name

Function

Type

Note

46

DOUT

SPI data output

Digital OUT

-

47

VCCI

5 V or 3.3 V microcontroller interface power supply input

Supply

-

48

CLK_EXT External clock source

Clock

Internal pull-down

49

TM2

Test mode

Digital IN

Internal pull-down Force

to GND

50

TM3

Test mode

Digital IN

Internal pull-down Force

to GND

51

CMD_B

Actuation command input for Bank B

Digital IN

Internal pull-down

52

SEL_B

Bank B INJx / INJy selection

Digital IN

Internal pull-down

53

TM4

Test mode

Digital IN

Internal pull-down Force

to GND

54

TM5

Test mode

Digital IN

Internal pull-down Force

to GND

55

CMD_A

Actuation command input for Bank A

Digital IN

Internal pull-down

56

SEL_A

Bank A INJx / INJy selection

Digital IN

Internal pull-down

57

GND_D

Digital ground connection

Supply

-

58

V33

Internal 3,3V voltage regulator output

Supply

External capacitor

59

RST

Asynchronous system reset input

Digital IN

Internal pull-down

60

VCCD

5 V logic power supply input

Supply

External capacitor

61

TM6

Test mode

Digital IN

Internal pull-down Force

to GND

62

CMD_C

Actuation command input for fp controller

Digital IN

Internal pull-down

63

ENB

Common enable input for pre-driver stage

Digital IN

Internal pull-down

64

REXT

Bias current reference generator

Analog IN

External resistor

L9781

Pin description

DB3720 - Rev 1

page 4/10