DM330023-2 datasheet(46/64 Pages) MICROCHIP

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dsPICDEM™ MCHV Development System User’s Guide

DS70605A-page 40

 2009 Microchip Technology Inc.

4.2.8

User Interfaces

There are two types of user interfaces, isolated and non-isolated:

• Isolated interfaces:

- Potentiometer labeled “POT” (R14)

- RESET push button

- PUSH BUTTON (S1)

- PWM OUTPUT enable shunt jumper (J7)

- Communication Port Selection shunt jumper (J2 and J3)

- ICSP programmer/debugger connector for SKDE (J4)

- ICSP programmer/debugger connector for UART-to-USB converter (J1)

• Non-Isolated interfaces:

- 15V Power Supply LED (D17)

- 3.3V Power Supply LED (D18)

- PWM2L1, PWM1L1, PWM1H1, PWM1L2, PWM1H2, PWM1L3, PWM1H3

LEDs

- USB communication LED (D1)

- USB cable connected LED (D3)

- SKDE USB cable connected LED (D21)

- SKDE Power On LED (D19)

- ICSP programmer/debugger connector for dsPIC DSC (J18)

- Feedback Selection Shunt Jumpers J11, J12, J13, and J14.

Table 4-6 shows the multiple feedback signals that can be selected.

TABLE 4-6:

MULTIPLE FEEDBACK SIGNALS

Designator

Position

Description

J11

1-2

Connects AC input voltage zero-crossing event to

VACZX_VAC_POT

3-4

Connects AC input voltage to VACZX_VAC_POT

5-6

Connects the POT voltage to VACZX_VAC_POT

J12

1-2

Connects Phase M1 shunt current feedback to MONITOR_1

3-4

Connects Phase M1 voltage feedback to MONITOR_1

5-6

Connects Hall A/QEA sensor signal to MONITOR_1

J13

1-2

Connects Phase M2 shunt current feedback to MONITOR_2

3-4

Connects Phase M2 voltage feedback to MONITOR_2

5-6

Connects Hall B/QEB sensor signal to MONITOR_2

J14

1-2

Connects DC bus shunt current feedback to MONITOR_3

3-4

Connects Phase M3 voltage feedback to MONITOR_3

5-6

Connects Hall C/INDEX sensor signal to MONITOR_3

7-8

Connects the POT voltage to MONITOR_3

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