BF6921A Datasheet - BYD Microelectronics

BF6921A 8/16-Channel Capacitive TouchKey Controller

15 7. DEVICE DESCRIPTION 21 7.1 BF6921A8 21 7.1.1 BF6921A8 QFN24 Package 21 7.1.2 BF6921A8 QFN24 Pin Description 22 7.2 BF6921A16 23 7.2.1 BF6921A16 QFN40 Package 23 7.2.2 BF6921A16 QFN40 Pin Description 23 7.2.3 BF6921A16 SOP30 Package 25 7.2.4 BF6921A16 SOP30 Pin Description 26 7.3 Applicat.

BF6921A Features

* 5 1.2 Applications 5 2. INTRODUCTION 6 3. HARDWARE INTERFACE 6 3.1 I2C Timing Specification 6 3.1.1 Register Write Packet 7 3.1.2 Register Read Packet 8 3.2 SPI Timing Specifications 9 3.2.1 Register Write Packet 9 3.2.2 Register Read Packet 10 4. WORK MODES TRANSITION 10 5. INTERRUPT AND QUERY

BF6921A-BYDMicroelectronics.pdf