Serial Peripheral Interface (Spi) - maxon motor EPOS4 Module 50/5 Hardware Reference Manual

CAN
With this function, the CANopen interface can be put in a "listen only" mode. For further details sepa-
rate document «EPOS4 Firmware Specification». Automatic bit rate detection is activated when the
input line is externally connected to GND.
Auto Bit Rate
GND
Max. input voltage
Logic 1
Logic 0

3.4.12 Serial Peripheral Interface (SPI)

The SPI is a high-speed synchronous serial input/output port allowing the use of optional maxon exten-
sion modules.
Note
Do not connect any other signals to the SPI apart from those for the maxon extension modules!
Module
Header Pin
Table 3-61
maxon motor control
EPOS4 Positioning Controller
EPOS4 Module/Compact 50/5 Hardware Reference
B R D
AUTOMATIC IT ATE ETECTION
Signal
B38 GND
B41 SPI_CLK
B42 SPI_IRQ
B43 SPI_SOMI
B44 SPI_SIMO
B45 SPI_CS2
B46 SPI_CS1
SPI – Pin assignment
Document ID: rel8003
© 2018 maxon motor. Subject to change without prior notice.
Bit rate detection
Pin B34
Pin B38
3.3 VDC
connected to GND
not connected
Ground
Serial Peripheral Interface clock
Serial Peripheral Interface interrupt request
Serial Peripheral Interface Slave output, Master input
Serial Peripheral Interface Slave input, Master output
Serial Peripheral Interface chip select 2
Serial Peripheral Interface chip select 1
Edition: May 2018
Connection Specifications
Description
Setup
3-67