Datasheet

External

Power

USB

from

Computer

ResetButton

and

PowerOnReset

USB

Adjustable

Regulator

3.3VRegulator

V Microcontroller

3.3V

8Kx8Byte

EEPROM

TUSB3210

8052 C

withUSBInterface

andUART

(2.7Vto5.5V)

DUT

Power

Switching

Buffersand

Latches

SwitchedPower

I C

SPI

ControlBits

MeasureBits

USBDigPlatform

EVM

www.ti.com

BUF08832EVM Hardware Setup

2.3 Theory of Operation for USB_DIG_Platform

Figure 4 shows the block diagram for the USB DIG Platform. This platform is a general-purpose data

acquisition system that is used on several different Texas Instruments evaluation modules. The details of

its operation are included in a separate document, SBOU058 (available for download at www.ti.com). The

block diagram shown in Figure 4 gives a brief overview of the platform. The primary control device on the

USB DIG Platform is the TUSB3210.

Figure 4. USB_DIG_Platform Theory of Operation

SBOU081–November 2009 BUF08832EVM User Guide and Software Tutorial

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