Datasheet

Motor Control Starter Kit User’s Guide
DS75015A-page 22 © 2011 Microchip Technology Inc.
3.6 INDICATORS AND HUMAN INTERFACES
Table 3-5 describes the user interaction interfaces available on the starter kit (see
Figure 1-1 and Figure 1-2 for component locations).
TABLE 3-5: INDICATORS AND HUMAN INTERFACES
3.7 TEST POINTS
Table 3-6 describes the test points that are available on the starter kit (see Figure 3-2
for test point locations).
TABLE 3-6: TEST POINTS
FIGURE 3-2: MOTOR CONTROL STARTER KIT BOARD TEST POINT LOCATIONS
Label Hardware Element Description
S1 Push button, which is connected to a port pin. When momentarily pressed, the
switch connects the respective port pin to Ground.
D2 USB bus indicator, which indicates that the device is connected to the USB bus
and the programmer/debugger is powered.
D4 Power-on status LED, which indicates that the board is powered by the 9V
supply.
D5-D7 User-programmable LED’s. Each LED is connected to a port pin. When the cor-
responding port pin is set high, the LED is lit.
Slider A-B Two-channel capacitive slider. Each channel is connected to an analog input pin.
Test Point Item # Description
MOTOR_CURRENT 1 Motor current feedback (2.5 V/A).
GND 2 Four board Ground test points.
M1_V, M2_V, M3_V 3 Phase 1, Phase 2, and Phase 3 BEMF voltage feedback
(148 mV/V).
PWM1Hx/PWM1Lx 4 Three complementary PWM pairs.
1
4
2
2
2
3
2