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DIGITAL-LOGIC AG SMA200 Manual V1.0
34
5.4.10. SPI BUS
Signal BUS Type Description
On Module
Termination
Ext. Ter-
mination
Needed
Max.
Length
in mm
Ohm
Matched
Length
in mm
SPI_MISO CMOS 3.3V
In
Connect to the SPI
device.
- 150 55 -
SPI_MOSI CMOS 3.3V
Out
Connect to the SPI
device.
150 55 -
SPI_CLK CMOS 3.3V
Out
Connect to the SPI
device.
f = 17.86 and 31.25MHz
Series 33 Ohm
150 55 -
SPI_CS# CMOS 3.3V
Out
Connect to the SPI
device.
150 55 -
If the signals are not used:
Remarks:
EMV/EMI filters:
Are not needed.