Board Interface Description
2020 Microchip Technology Inc. DS50002927A-page 19
2.3 USER INTERFACE HARDWARE
This section describes the LEDs, push buttons, potentiometer and test points available
on the Motor Control Board.
2.3.1 LEDs
The LEDs provided on the Motor Control Board are shown in Figure 2-3 and
summarized in Tab le 2- 11.
FIGURE 2-3: LEDs – dsPIC33CK LOW-VOLTAGE MOTOR CONTROL BOARD
TABLE 2-11: LEDs
LED
Designator
LED
Color
LED Indication
LD1 Yellow USB receive LED activity output. Refer to the “MCP2200 Data Sheet” for more details.
LD2 Green USB transmit LED activity output. Refer to the “MCP2200 Data Sheet” for more details.
LD3 Red Power-on status indication, connected to auxiliary supply output: +3.3V.
LD4 Green Indicates PWM1H (PWM_AH), used for controlling top MOSFET of the inverter Half-Bridge A.
LD5 Green Indicates PWM1L (PWM_AL), used for controlling bottom MOSFET of the inverter Half-Bridge A.
LD6 Green Indicates PWM2H (PWM_BH), used for controlling top MOSFET of the inverter Half-Bridge B.
LD7 Green Indicates PWM2L (PWM_BL), used for controlling bottom MOSFET of the inverter Half-Bridge B.
LD8 Green Indicates PWM4H (PWM_CH), used for controlling top MOSFET of the inverter Half-Bridge C.
LD9 Green Indicates PWM4L (PWM_CL), used for controlling bottom MOSFET of the inverter Half-Bridge C.
LD10 Yellow User-defined LED provided for debugging purposes (LED1).
LD11 Yellow User-defined LED provided for debugging purposes (LED2).
LD1
LD2
LD3
LD11
LD10
LD4
LD5
LD7
LD6
LD9
LD8
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