
WMOi3 Integrated modem 25/01/00
7
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authorization
3. Interfaces description
3.1. The main connector
This is a 50 pins interface connector with a pitch of 1.27 from
SAMTEC, referenced FTS-125-01-L-DV. (see figure1)
Figure 1 : 50 pins connector Bottom view
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
GND
+5V
GND
SPK2N
SPK2P
SPK1P
SPK1N
MIC2P
MIC2N
MIC1P
MIC1N
GND
GPIO0
CT104/RX
CT105/RTS
COL4
COL2
COL0
ROW3
ROW1
SPI_EN
SPI_CLK
SIMRST
SIMPRES1
GND
GND
+5V
CT109/DCD
GPIO2
CT125/RI
GPIO1
CT106/CTS
ON/~OFF
AUXV0
~RST
INTR
BOOT
CT103/TX
CT107/DSR
CT108-2/DTR
COL3
COL1
ROW4
ROW2
ROW0
GND
SPI_IO
SIMCLK
SIMVCC
SIMDATA
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