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CY28317PVC-2T Datasheet(PDF) 5 Page - Silicon Laboratories |
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CY28317PVC-2T Datasheet(HTML) 5 Page - Silicon Laboratories |
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5 / 20 page  CY28317-2 ....................... Document #: 38-07094 Rev. *B Page 5 of 20 Table 4. Word Read and Word Write Protocol Word Write Protocol Word Read Protocol Bit Description Bit Description 1Start 1Start 2:8 Slave address – 7 bits 2:8 Slave address – 7 bits 9Write 9Write 10 Acknowledge from slave 10 Acknowledge from slave 11:18 Command Code – 8 bits ‘1xxxxxxx’ stands for byte or word operation bit[6:0] of the command code represents the offset of the byte to be accessed 11:18 Command Code – 8 bits ‘1xxxxxxx’ stands for byte or word operation bit[6:0] of the command code represents the offset of the byte to be accessed 19 Acknowledge from slave 19 Acknowledge from slave 20:27 Data byte low – 8 bits 20 Repeat start 28 Acknowledge from slave 21:27 Slave address – 7 bits 29:36 Data byte high – 8 bits 28 Read 37 Acknowledge from slave 29 Acknowledge from slave 38 Stop 30:37 Data byte low from slave – 8 bits 38 Acknowledge 39:46 Data byte high from slave – 8 bits 47 Not acknowledge 48 Stop Table 5. Byte Read and Byte Write Protocol Byte Write Protocol Byte Read Protocol Bit Description Bit Description 1Start 1Start 2:8 Slave address – 7 bits 2:8 Slave address – 7 bits 9Write 9Write 10 Acknowledge from slave 10 Acknowledge from slave 11:18 Command Code – 8 bits ‘1xxxxxxx’ stands for byte operation bit[6:0] of the command code represents the offset of the byte to be accessed 11:18 Command Code – 8 bits ‘1xxxxxxx’ stands for byte operation bit[6:0] of the command code represents the offset of the byte to be accessed 19 Acknowledge from slave 19 Acknowledge from slave 20:27 Data byte – 8 bits 20 Repeat start 28 Acknowledge from slave 21:27 Slave address – 7 bits 29 Stop 28 Read 29 Acknowledge from slave 30:37 Data byte from slave – 8 bits 38 Not acknowledge 39 Stop |
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