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CY24292LFXIT Datasheet(PDF) 5 Page - Cypress Semiconductor |
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CY24292LFXIT Datasheet(HTML) 5 Page - Cypress Semiconductor |
5 / 20 page CY24292 Document Number: 001-46142 Rev. *G Page 5 of 20 Table 2. Block Read and Block Write Protocol Block Write Protocol Block Read Protocol Bit Description Bit Description 1 Start 1 Start 2:8 Slave address – 7 bits 2:8 Slave address – 7 bits 9Write 9 Write 10 Acknowledge from slave 10 Acknowledge from slave 11:18 Command code – 8-bit ‘00000000’ stands for block operation 11:18 Command code – 8-bit ‘00000000’ stands for block operation 19 Acknowledge from slave 19 Acknowledge from slave 20:27 Byte count – 8 bits 20 Repeat start 28 Acknowledge from slave 21:27 Slave address – 7 bits 29:36 Data byte 0 – 8 bits 28 Read 37 Acknowledge from slave 29 Acknowledge from slave 38:45 Data byte 1 – 8 bits 30:37 Byte count from slave – 8 bits 46 Acknowledge from slave 38 Acknowledge Data byte N/Slave acknowledge 39:46 Data byte from slave – 8 bits Data byte N – 8 bits 47 Acknowledge Acknowledge from slave 48:55 Data byte from slave – 8 bits Stop 56 Acknowledge Data bytes from slave/acknowledge Data byte N from slave – 8 bits Not acknowledge Stop Table 3. Byte Read and Byte Write Protocol Byte Write Protocol Byte Read Protocol Bit Description Bit Description 1 Start 1 Start 2:8 Slave address – 7 bits 2:8 Slave address – 7 bits 9 Write = 0 9 Write = 0 10 Acknowledge from slave 10 Acknowledge from slave 11:18 Command code – 8 bits ‘1xxxxxxx’ stands for byte operation, bits[6:0] of bits[6:0] the command code represents the offset of the byte to be accessed 11:18 Command code – 8 bits ‘1xxxxxxx’ stands for byte operation, 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 from master – 8 bits 20 Repeat start 28 Acknowledge from slave 21:27 Slave address – 7 bits 29 Stop 28 Read = 1 29 Acknowledge from slave 30:37 Data byte from slave – 8 bits 38 Not acknowledge 39 Stop |
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