UG-291 Datasheet, PDF (6/16 Pages) Analog Devices – The SDP-S board is designed to be used in conjunction

UG-291
Table 1. 120-Pin Connector Pin Assignments
Pin No. Pin Name
Description
1
NC
No connect. Leave this pin unconnected. Do not ground.
2
NC
No connect. Leave this pin unconnected. Do not ground.
3
GND
Connect to the ground plane of the daughter board.
4
GND
Connect to the ground plane of the daughter board.
5
USB_VBUS
Connected directly to the USB 5 V supply.
6
GND
Connect to the ground plane of the daughter board.
7
DNU
Do not use. Leave this pin unconnected. Do not ground.
8
DNU
Do not use. Leave this pin unconnected. Do not ground.
9
DNU
Do not use. Leave this pin unconnected. Do not ground.
10
DNU
Do not use. Leave this pin unconnected. Do not ground.
11
GND
Connect to the ground plane of the daughter board.
12
DNU
Do not use. Leave this pin unconnected. Do not ground.
13
DNU
Do not use. Leave this pin unconnected. Do not ground.
14
DNU
Do not use. Leave this pin unconnected. Do not ground.
15
DNU
Do not use. Leave this pin unconnected. Do not ground.
16
DNU
Do not use. Leave this pin unconnected. Do not ground.
17
GND
Connect to the ground plane of the daughter board.
18
DNU
Do not use. Leave this pin unconnected. Do not ground.
19
DNU
Do not use. Leave this pin unconnected. Do not ground.
20
DNU
Do not use. Leave this pin unconnected. Do not ground.
21
DNU
Do not use. Leave this pin unconnected. Do not ground.
22
DNU
Do not use. Leave this pin unconnected. Do not ground.
23
GND
Connect to the ground plane of the daughter board.
24
DNU
Do not use. Leave this pin unconnected. Do not ground.
25
DNU
Do not use. Leave this pin unconnected. Do not ground.
26
DNU
Do not use. Leave this pin unconnected. Do not ground.
27
DNU
Do not use. Leave this pin unconnected. Do not ground.
28
GND
Connect to the ground plane of the daughter board.
29
DNU
Do not use. Leave this pin unconnected. Do not ground.
30
DNU
Do not use. Leave this pin unconnected. Do not ground.
31
DNU
Do not use. Leave this pin unconnected. Do not ground.
32
DNU
Do not use. Leave this pin unconnected. Do not ground.
33
DNU
Do not use. Leave this pin unconnected. Do not ground.
34
DNU
Do not use. Leave this pin unconnected. Do not ground.
35
SPI_HOLD
Detects the ready state of the daughter board for SPI transfer.
36
GND
Connect to the ground plane of the daughter board.
37
SPI_SEL_B
SPI Chip Select B. Use this to control a second device on the SPI bus.
38
SPI_SEL_C
SPI Chip Select C. Use this to control a third device on the SPI bus.
39
NC
No connect. Leave this pin unconnected. Do not ground.
40
GND
Connect to the ground plane of the daughter board.
41
DNU
Do not use. Leave this pin unconnected. Do not ground.
42
DNU
Do not use. Leave this pin unconnected. Do not ground.
43
GPIO0
General-purpose input/output.
44
GPIO2
General-purpose input/output.
45
GPIO4
General-purpose input/output.
46
GND
Connect to the ground plane of the daughter board.
47
GPIO6
General-purpose input/output.
48
DNU
Do not use. Leave this pin unconnected. Do not ground.
49
DNU
Do not use. Leave this pin unconnected. Do not ground.
50
NC
No connect. Leave this pin unconnected. Do not ground.
51
NC
No connect. Leave this pin unconnected. Do not ground.
52
GND
Connect to the ground plane of the daughter board.
Rev. A | Page 6 of 16
SDP-S User Guide