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Part Number
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ISG4100x |
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Manufacturer
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Imagis Semiconductor |
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Description
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Mobile Key Scan I/O companion |
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Published
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Oct 5, 2012 |
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Detailed Description
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Imagis Co., Ltd.
ISG4100x
Preliminary Datasheet
1. Overview
1.1. Description
The ISG4100x Mobile Key Scan I/O companio...
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Datasheet
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ISG4100x
|
Overview
Imagis Co.
, Ltd.
ISG4100x
Preliminary Datasheet
1.
Overview
1.
1.
Description
The ISG4100x Mobile Key Scan I/O companion is a dedicated device to unburden a host processor from scanning a matrix-addressed keypad.
It communicates with the host through an I2Ccompatible or SPI-compatible access bus interface.
An interrupt output is available for signaling key-press events.
In the I2C communication, frequencies up to 400KHz bus speed are supported.
In the SPI communication, frequencies up to 10MHz bus speed are supported.
ISG4100x supports a predefined set of commands.
These commands enable a host device to keep control over all functions.
1.
1.
1.
Block Diagram of ISG4100I
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