dsPIC33CK Low-Voltage Motor Control Board User’s Guide
DS50002927A-page 24 2020 Microchip Technology Inc.
PWM Outputs
J15-1 AL PWM1L Output from dsPIC
®
DSC, which controls bottom MOSFET of the
Inverter Half-Bridge A
J15-2 AH PWM1H Output from dsPIC
DSC, which controls top MOSFET of the Inverter
Half-Bridge A
J15-3 BL PWM2L Output from dsPIC DSC, which controls bottom MOSFET of the
Inverter Half-Bridge B
J15-4 BH PWM2H Output from dsPIC DSC, which controls top MOSFET of the Inverter
Half-Bridge B
J15-5 CL PWM4L Output from dsPIC DSC, which controls bottom MOSFET of the
Inverter Half-Bridge C
J15-6 CH PWM4L Output from dsPIC DSC, which controls top MOSFET of the Inverter
Half-Bridge C
Hall Sensor Feedbacks
HALL_A HALL_A Hall Sensor A Feedback connected to dsPIC DSC input
HALL_B HALL_B Hall Sensor B Feedback connected to dsPIC DSC input
HALL_C HALL_C Hall Sensor C Feedback connected to dsPIC DSC input
Quadrature Encoder Feedbacks
QEI_A QEI_A Quadrature Encoder A Feedback connected to dsPIC DSC input
QEI_B QEI_B Quadrature Encoder B Feedback connected to dsPIC DSC input
QEI_INDEX QEI_INDEX Quadrature Encoder INDEX Feedback connected to dsPIC DSC input
QEI_HOME QEI_HOME Quadrature Encoder HOME Feedback connected to dsPIC DSC input
HOME HOME This test point can be optionally used to interface the HOME signal feedback
with the Motor Control Board
LEDs and General Purpose I/Os
LED1 LED1 LED1 Output from dsPIC
®
DSC
LED2 LED2 LED2 Output from dsPIC DSC
TP11 TP11 Connected to the port pin RE4 of the dsPIC DSC; this test point can be
optionally used as a general purpose input or output
TP12 TP12 Connected to the port pin RE5 of the dsPIC DSC; this test point can be
optionally used as a general purpose input or output
TP13 TP13 Connected to the port pin RE15 of the dsPIC DSC; this test point can be
optionally used as a general purpose input or output
TABLE 2-13: BOARD TEST POINTS (CONTINUED)
Test Point # Signal Description