Computer Hardware User's Guide

2.2.6 Jumper Selections
Circuit Description www.ti.com
Table 1. Breakout Board Pin Assignments
ADS6122/23/B23/24/25
J4 PIN ADS6142/43/44/45 DESCRIPTION
DESCRIPTION
1 GND GND
2 CLK CLK
3 GND GND
4 NC NC
5 GND GND
6 NC Data bit 0 (LSB)
7 GND GND
8 NC Data bit 1
9 GND GND
10 Data bit 0 (LSB) Data bit 2
11 GND GND
12 Data bit 1 Data bit 3
13 GND GND
14 Data bit 2 Data bit 4
15 GND GND
16 Data bit 3 Data bit 5
17 GND GND
18 Data bit 4 Data bit 6
19 GND GND
20 Data bit 5 Data bit 7
21 GND GND
22 Data bit 6 Data bit 8
23 GND GND
24 Data bit 7 Data bit 9
25 GND GND
26 Data bit 8 Data bit 10
27 GND GND
28 Data bit 9 Data bit 11
29 GND GND
30 Data bit 10 Data bit 12
31 GND GND
32 Data bit 11 (MSB) Data bit 13 (MSB)
33 GND GND
34 NC NC
35 GND GND
36 NC NC
37 GND GND
38 NC NC
39 GND GND
40 NC NC
The EVM features several jumpers whose functions are described in Table 2 . The EVM also features
surface-mount jumpers in cases where either the signal integrity is important or the functions are rarely
used. Table 3 summarizes these options.
8 SLAU206B – September 2007 – Revised April 2008
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