UM1857

Hardware description and configuration

DocID027377 Rev 2

5/9

Connector

Pin(1)

Signal

Remarks

8

DIR1

CN6

2

VDD

6

Ground

7

Ground

CN8

3

SPI CS

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

Notes:

Table 2: ST Morpho connector table

Connector

Pin(1)

Signal

Remarks

CN10

9

Ground

11

SPI SCK

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

13

SPI MISO

See Section 2.2: "Multi motor configuration"

15

SPI MOSI

17

SPI CS

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

19

PWM1

See Section 2.2: "Multi motor configuration"

21

L6474

STBY\\RESET

23

DIR1

See Section 2.2: "Multi motor configuration"

25

PWM3

27

DIR3

29

DIR2

31

PWM2

See Section 2.1: "Selecting the chip select and clock

lines of the SPI" and Section 2.2: "Multi motor

configuration"

33

L6474 FLAG

output

CN7

12

VDD

20

Ground

22

Ground

32

SPI CS

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

Notes: