UM0442 datasheet(10/33 Pages) STMICROELECTRONICS

Part #	UM0442

Description	Multiple application platform based on STR750FV2

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Hardware configuration and functionality

UM0442

10/33

Figure 8.

Pin numbering in each connector composing the pin-out of the

STR750FV2

4.8

The motor control connector

The STR750FV2 is an MCU suited for Motor Control applications since it embeds timers

which can be used for dead time generation and edge/center aligned waveform emergency

stop. This feature makes it ideal for induction and brushless DC motor control.

The STR750-MAP is provided with a 34-pin fully featured connector (J11 in the board

layout) dedicated to these kinds of applications.

Table 3 below lists the association between each connector pin and the related functionality

and microcontroller pin correspondence.

Table 2.

Connector to MCU pins correspondence table

Connector name

STR750FV2 pin correspondence

JE1

1÷25 (26th pin used for external 5 V)

JE2

26÷50 (26th pin used for external 5 V)

JE3

51÷75 (26th pin used for external 5 V)

JE4

76÷100 (26th pin used for external 5 V)

Table 3.

Motor control connector and STR750FV2 pins correspondence

Connector pin

Name

Function

STR750FV2 pin

1

MC_EMGCY

Emergency stop

80

2

None

Ground

-

3

PWM_UH

High side PWM for U phase

109

4

None

Ground

-

5

PWM_UL

Low side PWM for U phase

209

6

None

Ground

-

7

PWM_VH

High side PWM for V phase

208

8

None

Ground

-

9

PWM_VL

Low side PWM for V phase

207

10

None

Ground

-

11

PWM_WH

High side PWM for W phase

206

12

None

Ground

-

13

PWM_WL

Low side PWM for W phase

205

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