Part Number
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XRA1202 |
Manufacturer
|
Exar |
Description
|
8-BIT I2C/SMBUS GPIO EXPANDER |
Published
|
Aug 27, 2016 |
Detailed Description
|
XRA1202/1202P
8-BIT I2C/SMBUS GPIO EXPANDER WITH RESET
APRIL 2013
REV. 1.0.1
GENERAL DESCRIPTION
The XRA1202/1202P is...
|
Datasheet
|
XRA1202
|
Overview
XRA1202/1202P
8-BIT I2C/SMBUS GPIO EXPANDER WITH RESET
APRIL 2013
REV.
1.
0.
1
GENERAL DESCRIPTION
The XRA1202/1202P is an 8-bit GPIO expander with an I2C/SMBus interface.
After power-up, the XRA1202 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled.
The XRA1202P has the internal pull-up resistors enabled upon power-up in case it is necessary for the inputs to be in a known state.
In addition, the GPIOs on the XRA1202/1202P can individually be controlled and configured.
As outputs, the GPIOs can be outputs that are high, low or in three-state mode.
The three-state mode feature is useful for applications where the power is removed from the remote device...
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