ST X-NUCLEO-IHM01A1, User Manual, Page: 4 / 9

Hardware description and configuration UM1857
4/9 DocID027377 Rev 1
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