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dsPICDEM? MCHV Development System User’s Guide
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:
MULTIPLE FEEDBACK SIGNALS
Designator
J11
J12
J13
J14
Position
1-2
3-4
5-6
1-2
3-4
5-6
1-2
3-4
5-6
1-2
Description
Connects AC input voltage zero-crossing event to
VACZX_VAC_POT
Connects AC input voltage to VACZX_VAC_POT
Connects the POT voltage to VACZX_VAC_POT
Connects Phase M1 shunt current feedback to MONITOR_1
Connects Phase M1 voltage feedback to MONITOR_1
Connects Hall A/QEA sensor signal to MONITOR_1
Connects Phase M2 shunt current feedback to MONITOR_2
Connects Phase M2 voltage feedback to MONITOR_2
Connects Hall B/QEB sensor signal to MONITOR_2
Connects DC bus shunt current feedback to MONITOR_3
DS70605A-page 40
3-4
5-6
7-8
Connects Phase M3 voltage feedback to MONITOR_3
Connects Hall C/INDEX sensor signal to MONITOR_3
Connects the POT voltage to MONITOR_3
? 2009 Microchip Technology Inc.
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