Skyworks Si5391, Справочное руководство

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The timing diagrams for the SPI commands are shown in Figures Figure 11.9 SPI “Set Address” Command Timing on page 48 , Figure
11.10 SPI “Write Data” and “Write Data+ Address Increment” Instruction Timing on page 49 , Figure 11.11 SPI “Read Data” and “Read
Data + Address Increment” Instruction Timing on page 50 , and Figure 11.12 SPI “Burst Data Write” Instruction Timing on page 50 .
Set Address Instruction Base Address
CS
SCLK
SDI
SDO
SDIO
4-Wire
3-Wire
‘Set Address’ Command
>95 ns
Previous
Command
Next
Command
1 0 0 1 2 3 4 5 6 7
0 1 2 3 4 5 6
6 7
1 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 6 7
Clock IC Host
Clock IC Host
Don’t Care High Impedance
7
7
>95 ns
Figure 11.9. SPI “Set Address” Command Timing
Si5391 Reference Manual • Serial Interface
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48 Rev. 0.5 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 11, 2022 48