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Interfaces
2.6
SMBus Interface (SMBus)
This interface allows a host computer to interact with an SMBus interface device such as a battery monitor
device through a 2-wire SMBus interface. Connect the data, clock, and a ground reference (VSS) to a
target device.
Pin
1.1
1.2
1.3
1.4
4
EV2400 EVM Interface Board
Name
VSS
Ground return/reference for SMBus interface.
SCL
SMBus clock. Pulled up to 3.3 V with a 20-kΩ resistor. Uses bus acceleration in
positive direction to allow for a larger pullup resistor.
SDA
SMBus data. Pulled up to 3.3 V with a 20-kΩ resistor. Uses bus acceleration in
positive direction to allow for a larger pullup resistor.
VOUT 1
Optional voltage output (future expansion)
Copyright © 2011–2014, Texas Instruments Incorporated
Description
SLUU446B – June 2011 – Revised August 2014
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