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3.3 PIN Distribution.
3.3.1
VGA1 &VGA2
VAG1 is a standard CRT monitor output interface
。
VGA2 is 2×5,2mm expansion header, can not be used at the same time
。
3.3.2 AUDIO1
AUDIO1 is a 2x5, 2mm pin interface, defined as follows:
3.3.3 COM1
COM1 uses the RJ45 interface, RS-232, as defined below.
