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LM8322

Part Number	LM8322
Manufacturer	National Semiconductor Corporation
Description	Mobile I/O Companion Supporting Key-Scan
Published	Jan 12, 2009
Detailed Description	LM8322 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.bus Host Interface May 2007 LM8322 Mob...
Datasheet	LM8322 PDF File

Overview

LM8322 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.
bus Host Interface May 2007 LM8322 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.
bus Host Interface 1.
0 General Description The LM8322 Mobile I/O Companion is a dedicated device to unburden a host processor from scanning a matrix-addressed keypad.
In addition, the LM8322 provides general-purpose I/O expansion, and PWM outputs useful for dynamic LED brightness modulation.
www.
DataSheet4U.
com It communicates with the host through an I2C-compatible ACCESS.
bus interface.
An interrupt output is available for signaling key-press and key-release events.
Communication frequencies up to 400 kH...

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