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2.2.1
Theory of Operation for USB DIG Platform
Figure 3
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,
block diagram shown in
USB DIG platform is the TUSB3210.
USB
From Computer
External Power
(6 VDC)
3
BUF12800EVM Hardware
This section provides details about connecting the two PCBs of the BUF12800EVM together, applying
power, connecting the USB cable, and setting the jumpers.
3.1
Electrostatic Discharge Warning
Many of the components on the BUF12800EVM are susceptible to damage by
electrostatic discharge (ESD). Customers are advised to observe proper ESD
handling precautions when unpacking and handling the EVM, including the use
of a grounded wrist strap at an approved ESD workstation.
SBOU116A – September 2011 – Revised August 2016
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Figure 3
gives a brief overview of the platform. The primary control device on the
3.3-V
Regulator
V
C
m
S
3.3V
V_USB
5V
TUSB3210
8052 C
with USB Interface
and UART
Reset Button
and
Power-On Reset
Adjustable
Regulator
Figure 3. USB DIG Platform Block Diagram
Copyright © 2011–2016, Texas Instruments Incorporated
SBOU058
(available for download at www.ti.com). The
USB_DIG_Platform
Buffers and
Latches
m
Calibration
EEPROM
8K Byte
EEPROM
V
CC
(2.7 V to 5.5 V)
Power
Switching
CAUTION
BUF12800EVM Evaluation Board and Software Tutorial
BUF12800EVM Hardware
2
I C, SPI
Control Bits and
Measure Bits
V
DUT
(2.7 V to 5.5 V)
Switched Power
5
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