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DK705 - 5 channels with self-correction function capacitive touch sensors

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Datasheet Details

Part number DK705
Manufacturer Dongke Semiconductor
File Size 249.34 KB
Description 5 channels with self-correction function capacitive touch sensors
Datasheet download datasheet DK705 Datasheet

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DK705 5 July 2011 DK705 5 http://www.dkpower.cn DK705 Spec V1.0 1 DK705 5 DK705 。 。。DK705 。 ● 5 ● “” ● ● PCB ● ● I2C ● : 2.5v~6.5v ● ● ● ● ● ● ● http://www.dkpower.cn DK705 Spec V1.0 2 DK705 5 I2C I2C SDA SCL ,。 , DK705 ( slaver ) , MCU ( master )。 SCL , MCU ; SDA ,,( master )( slaver ) SDA , open-drain (,), “0” NMOS SDA ,“ 1” SDA 。 SCL 、 ACK , SCL 。 ( start ): SCL , SDA ,。 ( end ): SCL , SDA ,。 ( ACK ): DK705 ,,, 。 DK705 I2C ,。 : 1 ) MCU start ,MCU 8bit ,7bit A[6:0] R/WB()。 DK705 1 : (A[6:0]) 41H (A[6:0]+RWB) 83H 2 ) DK705 ,ACK。 MCU ACK ,。 3 ) DK705 8-bit , 3-bit , 5-bit D[4:0], ,。D[4:0] CIN4..CIN0。 4 ) MCU NACK ,。 5 ) SDA: SCL, SDA。 6 ) SCL:SCL H L 1.25US,SCL 400K。 7 ) MCU , DK705 。 http://www.dkpower.