Rs-232/422/485 Interface (Com3456); Spi Bios Flash Socket (Spi1) - Advantech AIMB-226 User Manual

B.2

RS-232/422/485 Interface (COM3456)

Pin Signal
1 DCD#[3]
3 RXD[3]
5 TXD[3]
7 DTR#[3]
9 GND
11 DCD#[4]
13 RXD[4]
15 TXD[4]
17 DTR#[4]
19 GND
21 DCD#[5]
23 RXD[5]
25 TXD[5]
27 DTR#[5]
29 GND
31 DCD#[6]
33 RXD[6]
Pin Signal
35 TXD[6]
37 DTR#[6]
39 GND
B.3

SPI BIOS flash socket (SPI1)

Pin Signal
1 CS#
2 MISO
3 WP# / IO2
4 GND
Pin Signal
2 DSR#[3]
4 RST#[3]
6 CTS#[3]
8 RI#[3]
10 GND
12 DSR#[4]
14 RST#[4]
16 CTS#[4]
18 RI#[4]
20 GND
22 DSR#[5]
24 RST#[5]
26 CTS#[5]
28 RI#[5]
30 GND
32 DSR#[6]
34 RST#[6]
Pin Signal
36 CTS#[6]
38 RI#[6]
40 GND
Pin Signal
5 MOSI
6 SCLK
7 HOLD# / IO3
8 +3.3V
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