BF6921A controller equivalent, 8/16-channel capacitive touchkey controller.
...... 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 .
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2. INTRODUCTION..... 6
3. HARDWARE INTERFACE ......... 6 3.1 I2C Timing Specification 6 3.1.1 Register Write Packet ..
.... 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...
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