Hardware description and configuration

UM1857

4/9

DocID027377 Rev 2

2

Hardware description and configuration

The Figure 2: "Jumpers and connectors position" shows the position of the connectors and

the configuration jumpers of the board.

Figure 2: Jumpers and connectors position

The following tables provide the connector details for the Arduino UNO R3 and ST Morpho,

respectively.

Table 1: Arduino UNO R3 connector table

Connector

Pin(1)

Signal

Remarks

CN5

1

L6474

STBY\\RESET

2

PWM1

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

3

SPI CS

See Section 2.2: "Multi motor configuration"

4

SPI MOSI

See Section 2.1: "Selecting the chip select and clock

lines of the SPI"

5

SPI MISO

6

SPI SCK

See Section 2.2: "Multi motor configuration"

7

Ground

CN9

3

L6474 FLAG

output

4

PWM2\\SPI SCK

See Section 2.2: "Multi motor configuration" and Section

2.1: "Selecting the chip select and clock lines of the

SPI"

5

DIR2

See Section 2.2: "Multi motor configuration"

6

DIR3

7

PWM3