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CM6533DH 数据表(PDF) 33 Page - C-Media Electronics |
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CM6533DH 数据表(HTML) 33 Page - C-Media Electronics |
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33 / 60 page ![]() CM6533,CM6533N,CM6533X1,CM6533DH USB Audio Chip Page 33 / 60 www.cmedia.com.tw Rev.1.6 Copyright© C-Media Electronics Inc. 6.8 I2C Interface 6.8.1I2C Master Mode I2C protocol timing A A A A Slave Address 0 Map Address Data0 Data1 A A Slave Address 0 Map Address A Slave Address 1 A Data0 Write Transaction Read Transaction From Master to Slave From Slave to Master SCL 0 A A A A MAP Data 1 SDA 1. N Byte Write Transaction Slave Address 1 A Data 1 SDA 2. N Byte Read Transaction Slave Address A A from master to slave from slave to master ) ( ) ( High SDA e acknowledg not A Low SDA e acknowledg A Stop Stop MAP: Memory Address Pointer (the target register address in slave device ) SCL 1 A Data Slave Address Start Stop 0 A A MAP SDA 3. Auto Read Transaction (= Write- MAP- Only + N Byte Read Transaction) Slave Address Stop Start Data Data Data Data Data A |
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