cy24292 Cypress Semiconductor Corporation., cy24292 Datasheet - Page 5

• Manufacturer Part Number: cy24292
• Description: Four Outputs Pci-express Clock Generator
• Manufacturer: Cypress Semiconductor Corporation.

Table 3. Block Read and Block Write Protocol (continued)
Table 4. Byte Read and Byte Write Protocol
Document Number: 001-46142 Rev. *C
29:36
38:45
11:18
20:27
Bit
Bit
2:8
28
37
46
10
19
28
29
1
9
Acknowledge from slave
Data byte 0 – 8 bits
Acknowledge from slave
Data byte 1 – 8 bits
Acknowledge from slave
Data byte N/Slave acknowledge
Data byte N – 8 bits
Acknowledge from slave
Stop
Start
Slave address – 7 bits
Write = 0
Acknowledge from slave
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
Acknowledge from slave
Data byte from master – 8 bits
Acknowledge from slave
Stop
Block Write Protocol
Byte Write Protocol
Description
Description
21:27
30:37
21:27
30:37
39:46
48:55
11:18
2:8
Bit
Bit
10
19
20
28
29
38
39
28
29
38
47
56
1
9
Start
Slave address – 7 bits
Write = 0
Acknowledge from slave
Command code – 8 bits ‘1xxxxxxx’ stands for byte
operation, of the command code represents the
offset of the byte to be accessed
Acknowledge from slave
Repeat start
Slave address – 7 bits
Read = 1
Acknowledge from slave
Data byte from slave – 8 bits
Not acknowledge
Stop
Slave address – 7 bits
Read
Acknowledge from slave
Byte count from slave – 8 bits
Acknowledge
Data byte from slave – 8 bits
Acknowledge
Data byte from slave – 8 bits
Acknowledge
Data bytes from slave/acknowledge
Data byte N from slave – 8 bits
Not acknowledge
Stop
Block Read Protocol
Byte Read Protocol
Description
Description
CY24292
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