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PI2DPX2020 数据表(PDF) 24 Page - Diodes Incorporated |
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PI2DPX2020 数据表(HTML) 24 Page - Diodes Incorporated |
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24 / 39 page ![]() A Product Line of Diodes Incorporated PI2DPX2020 24 www.diodes.com July 2022 Diodes Incorporated PI2DPX2020 Document Number DS43506 Rev 5-2 I2C Slave Address Selections I2C Slave Address Assignment A6 A5 A4 A3 A2 A1 A0 ADDR (Pin 16) 1 0 1 0 0 0 0 L 1 0 1 0 0 0 1 M 1 0 1 0 0 1 0 F 1 0 1 0 0 1 1 H I2C Register Definitions BYTE 0 (Revision and Vendor ID Register) Bit Type Power-up Condition Comment 7 RO 0 Revision ID = 0000 6 RO 0 5 RO 0 4 RO 0 3 RO 0 Vendor ID = 0011 2 RO 0 1 RO 1 0 RO 1 S SLAVE ADDRESS RW From master to slave From slave to master A= Acknowledge (SDA LOW) A= Not acknowledge (SDA HIGH) S= Start condition P= Stop condition “0” (write) date transferred (n bytes + acknowledge) A START OFFSET A Sr RW A DATA A DATA A P SLAVE ADDRESS “1” (read) Sr= Repeated START condition Indexed Read S SLAVE ADDRESS RW From master to slave From slave to master A= Acknowledge (SDA LOW) A= Not acknowledge (SDA HIGH) S= Start condition P= Stop condition “0” (write) date transferred (n bytes + acknowledge) A START OFFSET A A DATA P Sr= Repeated START condition DATA A/A Indexed Write Detailed Programming Registers |
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