Silicon-laboratories SI5351A/B/C Manual de usuario Pagina 17

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Si5351A/B/C
Preliminary Rev. 0.95 17
Figure 12. I
2
C Programming Procedure
Disable Outputs
Set CLKx_DIS high; Reg. 3 = 0xFF
Powerdown all output drivers
Reg. 16, 17, 18, 19, 20, 21, 22, 23 =
0x80
Set interrupt masks
(see register 2 description)
Write new configuration to device using
the contents of the register map
generated by ClockBuilder Desktop. This
step also powers up the output drivers.
(Registers 15-92 and 149-170)
Apply PLLA and PLLB soft reset
Reg. 177 = 0xAC
Enable desired outputs
(see Register 3)
Use ClockBuilder
Desktop v3.1 or later
Register
Map
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