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BU8311KS - Panel interface

Description

280 Communication ICs BU8310AK / BU8311KS / BU8313K FInput / output circuits 281 Communication ICs BU8310AK / BU8311KS / BU8313K FElectrical characteristics DC characteristics (unless otherwise noted,Ta = 25_C, VDD = 3 X 5V) AC characteristics (unless otherwise noted, Ta = 25_C, VDD = 3 X

Features

  • 1) Keypad matrix interface 1 Key input is output as 16-bit serial data. 2 Internal chattering prevention circuit built into the key input circuit. 2) LED interface 1 LED control commands input as 16-bit serial data. 2 Bits with a pattern generator and pattern register can be assigned three independent flashing patterns in addition to being lighted or off. 3 Power consumption can be reduced using RST pin input. 4 LED on and off control can be initiated using ENA pin input or by commands setting.

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Datasheet Details

Part number BU8311KS
Manufacturer ROHM
File Size 231.01 KB
Description Panel interface
Datasheet download datasheet BU8311KS Datasheet
Additional preview pages of the BU8311KS datasheet.

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Full PDF Text Transcription

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Communication ICs Panel interface BU8310AK / BU8311KS / BU8313K The BU8310AK, BU8311KS, and BU8313K are large-scale integrated circuits for telephones, which enable a serial input / output interface between the key input required for telephone panel boards and LED control functions. They reduce the number of wiring harnesses needed between the main board in the telephone and the panel board, and take some of the processing load off the main CPU. FApplications Telephones and cordless telephones FFeatures 1) Keypad matrix interface 1 Key input is output as 16-bit serial data. 2 Internal chattering prevention circuit built into the key input circuit. 2) LED interface 1 LED control commands input as 16-bit serial data.
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