Board architecture

UM0428

10/27

systems. For instance it is possible for any user to redesign the control board keeping the

compatibility with the power board if the standard MC connector configuration is used.

Figure 6.

MC Connector pin out

Table 4.

Motor control connector

Pin N.

Description

Pin on ST7MC

1

Emergency stop

MCES

2

Ground

VSS

3

High side PWM phase A

MCO0

4

Ground

VSS

5

Low side PWM phase A

MCO1

6

Ground

VSS

7

High side PWM phase B

MCO2

8

Ground

VSS

9

Low side PWM phase B

MCO3

10

Ground

VSS

11

High side PWM phase C

MCO4

12

Ground

VSS

13

Low side PWM phase C

MCO5

14

BUS voltage

AIN1

15

Phase A current

GND

Fault (Shut_Down L6386)

PWM_1H

PWM_1L

PWM_2L

PWM_2H

PWM_3H

PWM_3L

NTC bypass Relay

5V

GND

GND

GND

GND

GND

GND

Current PhaseA

Current PhaseB

Current PhaseC

GND

GND

GND

Dissipative Brake PWM

Bus voltage

Heatsink temperature

GND

PFC PWM

PFC Sync

1

3

5

7

9

11

13

15

17

19

21

23

25

2

4

6

8

10

12

14

16

18

20

22

24

26

27 28

29 30

31 32

33 34

Encoder A

Encoder B

Encoder Index

3V3

GND

GND

Dedicated

ADC[n]

ADC[n+1]

ADC[n+2]

GPIO

GP PWM

GP capture

GP PWM

Dedicated

ADC

ADC

GP Capture