The MAX22191PMB# peripheral module provides the hardware to evaluate the MAX22191 parasitically powered digital input. Refer to the MAX22191 IC data sheet for detailed information regarding operation of the IC. The PMB features two circuits: one for isolated parasitically powered circuit (using an optoisolator) and one for a 24V input signal with the circuit powered from a low-voltage logic supply.
The module can be used in various ways. Maxim sells low-cost USB2PMB1#, USB2PMB2#, and USB2GPIO# adapter boards that use the Munich GUI software for communication through a USB cable. This is not included with this board. Alternatively, any microcontroller or FPGA with a 12-pin Pmod™-compatible connector can be used. Another option for the user is to wire-wrap a temporary connection from their system to the pins on connector X1. For these later two options the user needs to write their own control software.
The Pmod PCB dimension is just 42mm long x 20mm wide, with the width determined by the size of the X1 connector.
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