Vecow EXBC-1000, User Manual

Page: 26 / 79

19 ©Vecow EXBC-1000 User Manual GETTING TO KNOW YOUR EXBC-1000
Pin No. Signal Name Pin No. Signal Name
15 GND 16 UIM_VPP
13 14 UIM_RESET
11 REFCLK- 12 UIM_CLK
9 GND 10 UIM_DATA
7 CLKREQ# 8 UIM_PWR
5 Reserved 6 1.5V
3 Reserved 4 GND
1 WAKE# 2 3.3Vaux
2.2.8 COM1~COM4 : Serial Port
Serial port 1 to 4 (COM1 to 4) can be configured for RS-232, RS-422, or RS-485 with
auto flow control communication. The default definition of COM1 and COM2 is RS-
232, if you want to change to RS-422 or RS-485, you can find the setting in BIOS.
4
8
1
R19 R11
R12 R20
L1
L4
L5
L8
R1
R2
R9
R10
1
4
1
6
2
1
7
8
1 19
2 20
21 39
22 40
C1
C5
C7
A1
A10
B1
B10
L1
L4
L5
L8
C2
1 4
5
7
1
1
4
5
9
14 18
1
4
5 9
4
3
6
1 2 3 4 5
22 25
179
180
66
64
2
1
4
1
4
1 4 1
4
1
4
1
1
10
1
10
1
10
1
10 10
1
10 1
3
1
3
1
3
1
3
1
1
39
40
7
1
7 1
1
259
2
260
52
51
2
52
2
1
14
8
7
1
4
1
3
COM4 COM3 COM2 COM1
BIOS Setting Function
COM1
COM2
COM3
COM4
RS-232
RS-422 (5-wire)
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
The pin assignments are listed in the following table :
Serial
Port
Pin No. RS-232
RS-422
(5-wire)
RS-422
(9-wire)
RS-485
(3-wire)
1, 2
3, 4
1 DCD TXD- TXD- DATA-
2 RXD TXD+ TXD+ DATA+
3 TXD RXD+ RXD+ -----------
4 DTR RXD- RXD- -----------
5 GND GND GND GND
6 DSR ----------- RTS- -----------
7 RTS ----------- RTS+ -----------
8 CTS ----------- CTS+ -----------
9 RI ----------- CTS- -----------