Dac8742Hevm Hardware Setup; Dac8742H Hardware Theory Of Operation; Dac8742H Test Board Block Diagram - Texas Instruments DAC8742H User Manual

DAC8742HEVM Hardware Setup

2 DAC8742HEVM Hardware Setup
This section provides the overall system setup for the EVM. A PC runs software that communicates with
the USB2ANY platform, which generates the optional IOVDD or AVDD power and digital signals used to
communicate with the EVM board. Test point connections are included on the EVM board for external
power supplies. Figure 1
2.1

DAC8742H Hardware Theory of Operation

A block diagram of the DAC8742HEVM PCB board is displayed in
interface to optional external supplies, an external reference, and a USB2ANY connection for serial
peripheral interface (SPI) and universal asynchronous receiver and transmitter (UART) communication.
4
DAC8742H Evaluation Module
displays the DAC8742HEVM system setup.
Personal
Computer
(PC)
USB Bus
from
Computer
LaunchPad
Connector
USB2ANY
Figure 1. DAC8742HEVM Hardware Setup
(Optional)
External/Onboard REF
USB2ANY
SPI
Connection
Copyright © 2017, Texas Instruments Incorporated
Figure 2. DAC8742H Test Board Block Diagram
Copyright © 2017, Texas Instruments Incorporated
(Optional) External
Power Source
DAC8742HEVM
Copyright © 2017, Texas Instruments Incorporated
Figure
Optional External Power
(AVDD/IOVDD)
Power
(HART/PAFF)
DAC8742H
SLAU700A – June 2017 – Revised November 2017
www.ti.com
2. The EVM board provides an
TX/RX
Submit Documentation Feedback