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Interface Pinouts
The physical interface of the EM20-M37 consists of 12-pin FPC connector and 5-pin box connector:
•
12-pin FPC connector can be used as TTL-232 interface or USB interface.
•
5-pin box connector can only be used as standard USB interface.
The figure below illustrates the positions of 12-pin FPC connector and 5-pin box connector on the EM20-M37's decoder
board, as well as the pin layout of the FPC connector.
Chapter 4 Interfaces
Figure 4-1
14
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