SL28PCIe10

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Table 3. Byte Read and Byte Write Protocol

Byte Write Protocol

Byte Read Protocol

Bit

Description

Bit

Description

1Start

1Start

8:2

Slave address–7 bits

8:2

Slave address–7 bits

9Write

9Write

10

Acknowledge from slave

10

Acknowledge from slave

18:11

Command Code–8 bits

18:11

Command Code–8 bits

19

Acknowledge from slave

19

Acknowledge from slave

27:20

Data byte–8 bits

20

Repeated start

28

Acknowledge from slave

27:21

Slave address–7 bits

29

Stop

28

Read

29

Acknowledge from slave

37:30

Data from slave–8 bits

38

NOT Acknowledge

39

Stop

Table 2. Block Read and Block Write Protocol (continued)

Block Write Protocol

Block Read Protocol

Bit

Description

Bit

Description