1 – Read
0 – Write
A – Acknowledge (SDA LOW)
N – Not Acknowledge (SDA HIGH)
S – START condition
P – STOP condition
Write Operation – Single Byte
S 0 A Reg Addr [7:0]Slv Addr [6:0] A Data [7:0] PA
Write Operation - Burst (Auto Address Increment)
Reg Addr +1
S 0 A Reg Addr [7:0]Slv Addr [6:0] A Data [7:0] A Data [7:0] PA
Host
Si5341/40
Host
Si5341/40
Figure 8.4. I
2
C Write Operation
A read operation is performed in two stages. A data write is used to set the register address, then a data read is performed to retrieve
the data from the set address. A read burst operation is also supported as shown in the following figure.
1 – Read
0 – Write
A – Acknowledge (SDA LOW)
N – Not Acknowledge (SDA HIGH)
S – START condition
P – STOP condition
Read Operation – Single Byte
S 0 A Reg Addr [7:0]Slv Addr [6:0] A P
Read Operation - Burst (Auto Address Increment)
Reg Addr +1
S 1 ASlv Addr [6:0] Data [7:0] PN
S 0 A Reg Addr [7:0]Slv Addr [6:0] A P
S 1 ASlv Addr [6:0] Data [7:0] A PNData [7:0]
Host
Si5341/40
Host
Si5341/40
Figure 8.5. I
2
C Read Operation
Si5341, Si5340 Rev D Family Reference Manual • Serial Interface
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
39 Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021 39
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