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akidder

1519 Posts

Posted - 06 Jun 2003 :  16:10:43  Show Profile  Email Poster
Graphics Master Quad UART Serial Cable

The Graphics Master includes a quad UART in additition to the three StrongARM serial ports. The quad UART ports are known as Serial A, B, C and D, and the signals come out header J20.

The drawing indicates how to build a cable that places the Serial A and Serial B signals on DB9 plugs suitable for connection to other RS-232 devices. Serial C and D are configured for 3.3V CMOS operation on standard GMaster systems; since there's no standard for logic-level serial connections, they are left unterminated.

Serial A & B cable (PDF 122kB)
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