Active-semi HYDRA-X BLDC Посібник користувача - Сторінка 10

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S1 and S2 Push Buttons

Two push buttons (S1 and S2) are made available for users requiring to add further control functionality to the

motor drive system. Push button S1 is assigned to resource PE4 whereas push button S2 is assigned to

resource PE5.

Alternatively, a non populated two pin connector (J16) is made available in order to allow for an external

switch to be added at a later time, if required.

Figure 5 External Thermistor Circuitry

RC PWM Remote Control Input (J13)

Users wanting to control a motor by employing an off the shelf Remote Control (RC) radio, can take

advantage of the 3 pin header connector J13. This pin provides 5V power to the receiver module and accepts

the typical 1.0 to 2.0 ms PWM signal. Firmware decoding the RC PWM signal is part of our sample code

made available at the HYDRA-X Blog.

RC PWM control signal can be sampled via the PD4 resource.

Figure 6 RC PWM Interface Circuitry

Rev 1.0 June 2014