Evm Hardware Overview; Electrostatic Discharge Caution; Evm Block Diagram; Figure 3-1. Afe881H1Evm Block Diagram - Texas Instruments AFE881H1 User Manual

EVM Hardware Overview

3 EVM Hardware Overview
To use the EVM hardware, set the jumpers, connect the USB2ANY to the EVM together with the 30-pin ribbon
cable, apply external power (optional), and connect the USB cable from the USB2ANY to the PC. This section
presents the details of these procedures.

3.1 Electrostatic Discharge Caution

Many of the components on the AFE881H1EVM are susceptible to damage by electrostatic
discharge (ESD). Observe proper ESD handling precautions when unpacking and handling the
EVM, including the use of a grounded wrist strap at an approved ESD workstation.

3.2 EVM Block Diagram

A block diagram of the EVM hardware setup is shown in
points for the SPI and UART communication, power, reference, ground connections, ADC inputs, HART modem,
and the analog output of the DAC.
PVDD
Supply
(Optional)
3.3-V
Supply
USB2ANY
Connector
Connections
6 AFE881H1 Evaluation Module
CAUTION
IOVDD
Supply
(Optional)
PVDD/
IOVDD
Bus
Transceiver/
Level Shifter
UART, CD,
SPI
RTS, ALARM
Connections

Figure 3-1. AFE881H1EVM Block Diagram

Copyright © 2021 Texas Instruments Incorporated
Figure 3-1. This board provides connections and test
Selectable
REF3312
Reference
(Not populated)
AFE881H1
ADC
CLKOUT AIN0,
AIN1
www.ti.com
HART
OUT
HART
IN
HART
Filtering
VOUT
SLAU858 – NOVEMBER 2021
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