Datasheet

Theory of Operation for Multi-Cal-Slave EVM Hardware www.ti.com
Table 2. J1: Signal Connection Summary
Pin J1 Signal Function on J1
1 Chassis ground Chassis ground
2 One4 One wire digital communication line.
3 Pos4 Positive device supply.
4 Neg4 Negative device supply.
5 GND4 Ground force for current modules.
Ground sense for voltage modules.
6 V
OUT
4 Output voltage measurement.
7 SCK4 SPI SCK for XTR108.
8 CS4 SPI CS0 for XTR108
9 IO4 SPI Input / Output for XTR108
10 Chassis ground Pins 10 to 18 repeat the function of pins 1 to 9 for
channel 2
11 One5
12 Pos5
13 Neg5
14 GND5
15 V
OUT
5
16 SCK5
17 CS5
18 IO5
19 — No connection
20 Chassis ground Pins 20 to 28 repeat the function of pins 1 to 9 for
channel 3
21 One6
22 Pos6
23 Neg6
24 GND6
25 V
OUT
6
26 SCK6
27 CS6
28 IO6
29 Chassis ground Pins 29 to 37 repeat the function of pins 1 to 9 for
channel 4
30 One7
31 Pos7
32 Neg7
33 GND7
34 V
OUT
7
35 SCK7
36 CS7
37 IO7
8
Multi-Cal-Slave Evaluation Module SBOU094–September 2010
Submit Documentation Feedback
Copyright © 2010, Texas Instruments Incorporated