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LM8333 |
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| Part Number | LM8333 |
| Manufacturer | National Semiconductor |
| Description | The LM8333 is a general-purpose controller for matrixaddressed keypads which provides an ACCESS.bus (I2Ccompatible) interface to a host microcontroller. It offloads the burden of keyboard scanning fro... |
| Features |
n 8 x 8 standard keys n 8 special function keys (SF keys) providing a total of 72 keys for the maximum keyboard matrix n ACCESS.bus (I2C-compatible) communication interface to the host n Four general purpose host programmable I/O pins with two optional (slow) external Interrupts n 16 byte FIFO buffer to store key pressed and key released events n Error control with error reports on (FIFO overrun, Keypad overrun, invalid command) n Host programmable PWM n Host programmable active time and debounce time
3.0 Block Diagram
20210601
© 2006 National Semiconductor Corporation
DS202106
www.nation... |
| Document |
 LM8333 Data Sheet
PDF 946.73KB |
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