SI52146 Datasheet, PDF (12/20 Pages) Silicon Laboratories – PCI-EXPRESS GEN 1, GEN 2, & GEN 3 SIX OUTPUT CLOCK GENERATOR

Si52146
Table 6. Byte Read and Byte Write Protocol
Byte Write Protocol
Bit
Description
1
Start
Byte Read Protocol
Bit
Description
1
Start
8:2 Slave address–7 bits
8:2 Slave address–7 bits
9
Write
9
Write
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
12
Preliminary Rev. 0.1