SI5351-B Datasheet, PDF (19/41 Pages) Silicon Laboratories – Supports static phase offset

Si5351A/B/C-B
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)
Register
Map
Use ClockBuilder
Desktop v3.1 or later
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 ^,a1n4d91-14790-1a7n0d) ¹⁸³⁾
Apply PLLA and PLLB soft reset
Reg. 177 = 0xAC
Enable desired outputs
(see Register 3)
Figure 12. I²C Programming Procedure
Rev. 1.0
19