Connectors
UM0686
20/58
Doc ID 15451 Rev 1
2.4
Auxiliary motor control connector CON14
For a third-motor operations, there is no dedicated advanced timer peripheral. In this case,
the 6 PWM signals needed to drive a 3PH power stage can be derived either by using two
GP timers (TIM2 and TIM4 working in tandem), or a single GP timer plus additional external
circuitry, plugged into the CON14 connector, to generate the remaining 3 complementary
PWM signals.
Figure 7.
Auxiliary motor control connector CON14 (top view)
25
+5 V power
+5V
26
Heatsink temperature
PA4
27
PFC SYNC
N.C.
28
3.3 V power
+3.3 V
29
PFC PWM
N.C.
30
GND
31
Encoder A
PA0
32
GND
33
Encoder B
PA1
34
Encoder index
PA2
Table 11.
Motor control connector CON10 pin description (continued)
CON10 pin number
Description
Pin of STM32F103ZE
Table 12.
Auxiliary motor control connector CON14 pin description
CON14 pin number
Description
1
MC sub2 PWM UH
2
MC sub2 PWM URef
3
MC sub2 PWM VH
4
MC sub2 PWM VRef
5
MC sub2 PWM WH
6
MC sub2 PWM WRef
7
MC sub2 PWM UL
AM0
3
5
3
2v1
1
2
3
4
5
6
7
8
9
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