BF6910AX/11AX

一、Specification

 Number of keys

 - 10/14/22 keys (Sensor can be reused for IO)

 - LP (low power mode) 

- low power mode: idle mode

- communication mode

- IIC (support for standard mode or quick mode)

The key mode choice

- each key can be run in an independent mode

The power supply voltage: 2.7 ~ 5.5V

- ROM

- FLASH 8K

- RAM

- 512 bytes SRAM

The self adapt to environmental change

The key sensitivity

- automatic configuration of the sensitivity of each button

Automatic calibration - chip level logic

- adjustable automatic calibration speed

二、Package ： QFN32/SOP16/SOP20/SOP28

三、1.2 application

white goods

- Mobile, portable equipment

The smart phone

Control equipment

The game controller

The remote controller

The computer and peripheral equipment

三、introduction

BF6910AX/11AX is based on 10/14/22 chip, which can be used to detect the proximity sensorOr touch. Its built-in MCU, can be configured flexibly; can be achieved through the configuration button, roller, slide bar, and other applications.

10/14/22 keys can be run independently, and each button can be written to the corresponding special function register

To adjust the sensitivity.

BF6910AX/11AX communication with the host through the IIC.

BF6910AX/11AX contains a single frequency of 24MHZ microcontroller core and some other peripheral equipment, as shown in Figure 1

As shown:

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