SI4770-77-A20 Datasheet, PDF (45/54 Pages) Silicon Laboratories – HIGH-PERFORMANCE CONSUMER ELECTRONICS

Si4770/77-A20
Write Operation
...
S Device Addr W A Command A
ARG 1
A
ARG 2
A _... A P
Read Operation
S Device Addr R A
Status
...
A Response 1 A Response 2 A _... A P
Master
Slave
A= Acknowledge
R = Read
W = Write
S = Start condition
P = Stop condition
Figure 26. I²C Command/Response Protocol
Rev. 0.9
45