I want to use 9651 to extent some RS-232 ports using FPGA. And how much ports most I can get?
The sbRIO-9651 SOM connector provides several banks of FPGA pins that you can configure for purposes specific to your application. In addition to FPGA Digital I/O (DIO), you can use these pins to implement the Additional RS-232 pots. You can use any FPGA pins to implement additional RS-232 ports. NI 9651 supply three serial ports defined by sbRIO Component-level IP(CLIP) Generator, respectively Serial2, Serial3 and Serial4. The table below describes the Serial2, for example, pins and signals on the sbRIO-9651 SOM connector used to implement an additional RS-232 port on the reference carrier board.
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