NI roboRIO User Manual
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© National Instruments
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13
PWM Port
Figure 12 and Table 11 describe the PWM port pins and signals.
Figure 12.
PWM Port Pinout
SPI Port
Figure 13 and Table 12 describe the SPI port pins and signals.
Figure 13.
SPI Port Pinout
Table 11.
PWM Port Signal Descriptions
Signal Name
Direction
Description
S (PWM) <0..9>
Output
PWM digital lines with 5 V output.
6V
Output
+6 V power output for servos only.
GND
—
Reference for digital lines and +6 V power
output.
Table 12.
SPI Port Signal Descriptions
Signal Name
Direction
Description
3.3V
Output
+3.3 V power output.
5V
Output
+5 V power output.
CS <0..3>
Output
SPI with 3.3 V output, 3.3 V/5 V-compatible
input. Refer to the
SPI Lines
section for more
information.
SCLK
Output
MOSI
Output
MISO
Input
GND
—
Reference for digital lines and +3.3 V and
+5.5 V power output.
8
7
6
4
3
2
5
1
9
0
S
6V
SCLK
MOSI
MISO
3.3V
CS0
CS1
CS2
CS3
5V
