Texas Instruments TMP104EVM, User Manual, Page: 5 / 25

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
www.ti.com
TMP104EVM Hardware Setup
2.2.1 Theory of Operation for the SM-USB-DIG Platform
Figure 4 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,
SBOU098 (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
SM-USB-DIG platform is the TUSB3210 .
Figure 4. SM-USB-DIG Platform Block Diagram
5 SBOU118 – October 2011 TMP104EVM Evaluation Board and Software Tutorial
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