Aaeon AEC-6811A, Manual

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E m b e d d e d C o n t r o l l e r A E C - 6 8 1 1
Chapter 2 Hardware Installation
2 - 12
Pin Signal Pin Signal
1 DCD (422TXD-/485DATA-) 2 RXD ()
3 TXD (/) 4 DTR (422RXD-)
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C.
2.7 COM1/3/4 RS-232 Serial Port Connector
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N.C.
2.8 DIO Pin Definition
The Pin definitions apping are illustrated below:
Ad s: 200h, 37
BIOS Setting Address W83977EG-AW
and registers m
dres 2h
GPIO Setting
Port 1 @200h Bit 0 (GPIO 10)
Port 2 @200h Bit 1 (GPIO 11)
Port 3 @200h Bit 3 (GPIO 13)
Port 4 @200h Bit 4 (GPIO 14)
Port 5 @200h B 5 (GPIO 15) it
Port 6 @200h B (GPIO 16) it 6
Port 7 @200h Bit 7 (GPIO 17)
Port 8 @372h Bit 4 (GPIO 24)