Skyworks Si5341 - Page 42

Set Address Instruction Base Address
CS
SCLK
SDI
SDO
SDIO
4-Wire
3-Wire
‘Set Address’ Command
> 2 SCLK
Periods
Previous
Command
Next Command
> 2.0
SCLK
Periods
1
0
01234567
0123456
6
7
1
0
01234567
0123456
6
7
Si5341/40Host
Si5341/40Host
Don’t Care
High Impedance
7
7
Figure 8.9. SPI “Set Address” Command Timing
Write Data instruction
Data byte @ base address + 1
CS
SCLK
SDI
SDO
SDIO
4-Wire
3-Wire
‘Write Data’ or ‘Write Data + Address Increment’
Command
> 2
SCLK
Periods
Previous
Command
Next
Command
1
0
01234567
01234567
6
7
1
0
01234567
01234567
6
7
Si5341/40Host
Si5341/40Host
Don’t Care
High Impedance
> 2.0
SCLK
Periods
Figure 8.10. SPI “Write Data” and “Write Data+ Address Increment” Instruction Timing
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
42 Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021 42