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CY28419 Datasheet(PDF) 4 Page - Cypress Semiconductor

Part No. CY28419
Description  Clock Synthesizer with Differential SRC and CPU Outputs
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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CY28419 Datasheet(HTML) 4 Page - Cypress Semiconductor

 
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CY28419
Document #: 38-07444 Rev. *D
Page 4 of 16
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 1 – 8 bits
28
Read = 1
37
Acknowledge from slave
29
Acknowledge from slave
38:45
Data byte 2 – 8 bits
30:37
Byte count from slave – 8 bits
46
Acknowledge from slave
38
Acknowledge from master
....
......................
39:46
Data byte from slave – 8 bits
....
Data Byte (N–1) –8 bits
47
Acknowledge from master
....
Acknowledge from slave
48:55
Data byte from slave – 8 bits
....
Data Byte N –8 bits
56
Acknowledge from master
....
Acknowledge from slave
....
Data byte N from slave – 8 bits
....
Stop
....
Acknowledge from master
....
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
9
Write = 0
9
Write = 0
10
Acknowledge from slave
10
Acknowledge from slave
11:18
Command Code – 8 bits
'100xxxxx' stands for byte operation, bits[6:0] of the
command code represents the offset of the byte to
be accessed
11:18
Command Code – 8 bits
'100xxxxx' stands for byte operation, bits[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 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
Acknowledge from master
39
Stop
Table 4. Block Read and Block Write Protocol (continued)
Block Write Protocol
Block Read Protocol


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