TMCM-0960-MotionPy V21 • Hardware Version V2.1 | Document Revision V3.00 • 2021-07-01
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3.3 GPIO Connectors
The TMCM-0960-MotionPy V21 offers three separated input/output headers, directly connected to the
MCU (STM32F405RGT6). They are located on the right side of the board.
Figure 5: GPIO connectors of TMCM-0960-MotionPy V21
Please check the online available design files and schematic data for additional information on the con-
nectors’ signal connections and pinning.
3-Pin GPIO Header (pink) Pin Assignment
Pin no. Pin name
Level
Description
1
PB7
+3.3 VDC GPIO Port B Pin 8
2
PB6
+3.3 VDC GPIO Port B Pin 9
3
GND
Ground
Common system supply and signal ground
Table 6: 3-Pin GPIO Header (pink) Pin Assignment
SWDIO-Pin Header (light blue) Pin Assignment
Pin no. Pin name
Level
Description
1
+3.3V
+3.3 VDC
Common on-board +3.3V supply level
2
SWDIO
+3.3 VDC
Software programmable GPIO (Green LED)
3
SWDCLK
+3.3 VDC
Software programmable CLK (Red LED)
4
GND
Power (GND) Common system supply and signal ground
Table 7: SWDIO-Pin Header (light blue) Pin Assignment
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