Datasheet

ADS131E08EVM Daughter-Card Hardware Overview

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3.3.2 Accessing ADS131E08 Digital Supplies

The ADS131E08 digital signals (including SPI signals, some GPIO signals, and some control signals) are

available at connector J1. These signals are used to interface to the MMB0 board DSP. The pinout for this

connector is shown in Table 7.

Table 7. Serial Interface Pinout

Signal J1 Pin Number Signal

START/CS 1 2 CLKSEL

CLK 3 4 GND

NC 5 6 GPIO1

CS 7 8 RESET

NC 9 10 GND

DIN 11 12 GPIO2

DOUT 13 14 NC/START

DRDY 15 16 SCL

EXT_CLK 17 18 GND

NC 19 20 SDA

3.4 Analog Inputs

The ADS131E08 provides users the option to feed in signals from any arbitrary signal source directly.

Analog signals can be applied at terminal blocks J5 through J12.

Performance Demonstration Kit for the ADS131E08 SBAU200–June 2012

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