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EAAPMST3923A3 データシート(PDF) 5 Page - Everlight Electronics Co., Ltd |
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EAAPMST3923A3 データシート(HTML) 5 Page - Everlight Electronics Co., Ltd |
5 / 23 page I 2C Bus Conditions I 2C bus is inter-IC bus system to transfer data by two lines of SDA and SCL. Data transfer is performed by one byte, and acknowledgement is sent when each byte is complete. Data transfer takes place MSB first from a start condition. For more detailed I 2C bus system, please refer to the official I2C specification. I 2C Data Format Read Mode The data format for read mode is set as below. Write Mode The data format for write mode is set as below. Fig2. I 2C Bus Start and Stop Condition Fig3. I 2C Bus Timing Diagram for Receive Byte Format Fig4. I 2C Bus Timing Diagram for Send Byte Format Start condition Slave address ( 1000100) Slave Ack Re-Start condition Slave address ( 1000100) D7 D0 Data byte Master No Ack Stop condition D6 D5 D4 D3 D2 D1 SCL SDA P0 P2 P1 Slave Ack R/W (Write) Slave Ack R/W (Read) Register address (Pointer register) P4 P3 Start condition Slave address ( 1000100) Register address (Pointer register) Slave Ack D7 D0 Data byte Stop condition D6 D5 D4 D3 D2 D1 SCL SDA Slave Ack P0 P2 P1 R/W (Write) Slave Ack P4 P3 DATASHEET EAAPMST3923A3 Page 5 of 23 Rev. 0.01 Ver.:3 Release Date:03/21/2017 狀態:Approved(正式發行) |
同様の部品番号 - EAAPMST3923A3 |
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同様の説明 - EAAPMST3923A3 |
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