LM8322 key-scan equivalent, mobile i/o companion supporting key-scan.
Key Features
* Supports keypad matrices of up to 8 × 12 keys plus 8 special-function (SF) keys for a total of 104 keys. SF keys pull keypad scan inputs directly to gr.
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Mobile phones Personal Digital Assistants (PDAs) Smart handheld devices Personal media players
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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. .
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