4112221
Rev 7.2
June 19, 2013
54
User Guide
X-card
Pin #
Pin Description
Pin #
Pin Description
7
NC
32
INT0/GPIO3
8
NC
33
GPIO23
9
NC
34
GPIO22
10
1.8V Digital supply from the embedded module
35
DTR1-CT108/2
11
2.8V Digital supply from the embedded module
36
PCM-SYNC
12
BOOT*
37
PCM-IN
13
RESET
38
PCM-CLK
14
AUX-ADC
39
PCM-OUT
15
SPI1-CS
40
AUX-DAC*
16
SPI1-CLK
41
2.8V supply from the FX Series
17
SPI1-I
42
GND
18
SPI1-IO
43
DC-IN
19
SPI2-CLK
44
DC-IN
20
SPI2-IO
45
GND
21
SPI2-CS
46
4V supply from the FX Series
22
SPI2-I
47
4V supply from the FX Series
23
RXD2
48
GND
24
TXD2
49
GND
25
CTS2
50
GND
*
Not used in the FX100.
7.2.
X-card Physical Description
Refer to the figure below for the physical dimensions of the X-card.
Figure 31. X-card Size
