Part number:
LM8322
Manufacturer:
National Semiconductor Corporation
File Size:
893.97 KB
Description:
Mobile i/o companion supporting key-scan.
LM8322_NationalSemiconductorCorporation.pdf
Datasheet Details
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
LM8322 Features
* 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 ground, rather than connecting to a keypad scan output.
* Supports I2C-compatible ACCESS.bus interface in slave mode up to 400 k
LM8322_NationalSemiconductorCorporation.pdf
Datasheet Details
LM8322
National Semiconductor Corporation
893.97 KB
Mobile i/o companion supporting key-scan.
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