TUSB3210
8052 C
m
with USB Interface
and UART
8Kx8-byte
EEPROM
+3.3V
V
USB
+5V
Power-On Reset
SM USB DIG Platform
To T
est Board
To Computer and P
ower Supplies
Power
Switching
Switched
Power
USB Bus
from
Computer
USB Power
+5.0V
+3.0V
V
(H-Z, 3.3V, or 5V)
DUT
Buffers and
Level Translators
I C/SPI
Control and
Measure Bits
2
+3.3V
Regulator
TMP112EVM Hardware
2.2.1
Theory of Operation for SM-USB-DIG Platform
shows the block diagram for the SM-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
SM-USB-DIG platform is the
.
Figure 4. SM-USB-DIG Platform Block Diagram
3
TMP112EVM Hardware
The TMP112EVM hardware overview involves connecting the two PCBs of the EVM together, connecting
the USB cable, applying power, and setting the jumpers. This section presents the details of this
procedure.
3.1
Electrostatic Discharge Warning
CAUTION
Many of the components on the TMP112EVM 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.
6
TMP112EVM Evaluation Board and Software Tutorial
SBOU144 – August 2014
Copyright © 2014, Texas Instruments Incorporated