Adjustable
Regulator
TUSB3210
8052 C
m
with USB Interface
and UART
3.3V
Regulator
8K byte
EEPROM
V
CC
(2.7V to 5.5V)
V
C
m
S
3.3V
V
USB
5V
V
DUT
(2.7V to 5.5V)
Reset Button and
Power-On Reset
Buffers and
Latches
Calibration
EEPROM
USB DIG Platform
Power
Switching
Switched
Power
External
Power
(6V dc)
USB Bus
from
Computer
I C/SPI
2
Control and
Measure Bits
Overview
7
SBOU103A – April 2011 – Revised May 2016
Copyright © 2011–2016, Texas Instruments Incorporated
BUF18830EVM User Guide and Software Tutorial
1.3.1
Theory of Operation for USB_DIG_Platform
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,
(available for download at
). The
block diagram shown in
gives a brief overview of the platform. The primary control device on the
USB_DIG_Platform is the
. The barrel connector cable assembly included in the EVM kit can
be used to connect an external power supply to the USB DIG through J5.
Figure 4. USB_DIG_Platform Block Diagram
BUF18830EVM Hardware Overview
The BUF18830EVM hardware overview involves connecting the two PCBs of the EVM together, applying
power, connecting the USB cable, and setting the jumpers. This section presents the details of this
procedure.
1.4
Electrostatic Discharge Warning
CAUTION
Many of the components on the BUF18830EVM 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.
