Wittenstein cyber motor cyber reaction wheel 2, Planning Manual

Page: 33 / 41

cyber
®
reaction wheel 2 Project planning guide
Revision: 02 Doc. no.: 5022-D060586 en-31
Depending on the interface used, the following connections must be established between the
Nucleo Board and one or more starter kits:
Nucleo
Board
(general)
Communication master
(specific)
reaction wheel
starter kit J2
(all axes)
Comment
CN Pin Axis Interface Name Pin Name
7 18 - - 5 V 20 VDD Supply (optional),
alternatively via
USB or screw
terminal
19 V IO Supply IO
(optional),
see 3.4.1
19 - - GND 1, 2 GND Reference
28 X SPI SPI_nCS_X 12 SPI_nCS
30 Y SPI SPI_nCS_Y 12 SPI_nCS
32 Z SPI SPI_nCS_Z 12 SPI_nCS
10 3 All I2C I2C_SCL 4 I2C_SCL
5 All I2C I2C_SDA 6 I2C_SDA
9 - - GND 1, 2 GND Reference
18 Z UART UART_RX_Z 11 UART_TX RX/TX crossing
20 - - GND 1, 2 GND Reference
21 X UART UART_TX_X 13 UART_RX RX/TX crossing
25 All SPI SPI_CLK 14 SPI_CLK
26 All SPI SPI_MOSI 8 SPI_MOSI
28 All SPI SPI_MISO 10 SPI_MISO
33 X UART UART_RX_X 11 UART_TX RX/TX crossing
34 Z UART UART_TX_Z 13 UART_RX RX/TX crossing
35 Y UART UART_TX_Y 13 UART_RX RX/TX crossing
37 Y UART UART_RX_Y 11 UART_TX RX/TX crossing
Table 22: Specification of pin assignment during a prototypical startup of the reaction wheel with an
STM32 Nucleo Board
Further information on the required integration of the Wittenstein stack is described in
section 3.4.4.