IT7230中文资料IT7230: touch button controllers数据手册ITE规格书

描述 Description

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特性 Features

• Normal 0 0 2 false false false EN-US ZH-TW X-NONE Programmable Capacitance-to-Digital Converter(CDC)
- Maximum 13 capacitance sensor inputs
- 9 ms update rate, all 13 sensor inputs
- No external RC components required
- Automatic conversion sequencer

On-chip Automatic Calibration Logic
- Automatic calibration & compensation for environmental changes
- Automatic adaptive threshold and sensitivity levels

On-chip RAM to Store Calibration Data
- Hardware initialization of SRAM
- Host can access SRAM freely at any time

Supports 1 Interrupt Output and 2 Touch Detection Outputs

Supports a Maximum of 13 General Purpose Input/Output (GPIO)

Supports a Maximum of 15 Current-Control Output for LED Dimming Function

Supports Dynamic Power Saving Mode
- Provides three operational modes: active, idle and sleep modes
- Provides host special commands to switch between these modes

Hardware Slider Function
- Provides two 32-level hardware auto slider function

I2C Compatible Interface
- Compliant with I2C specification v2.1
- Supports slave device only
- Supports standard and fast modes
- 7-bit device addressing modes
- Supports 2 address select pins to configure the device address selection (IT7230AFN only)

Supports I2C 1.8V Interface
- At power source under 3.0V

Operation Power
- One power source 2.5V ~ 3.6V
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