SI598 Datasheet, PDF (19/28 Pages) Silicon Laboratories – Programmable with 28 parts per trillion frequency resolution

Si598/Si599
Register 137. Freeze DCO
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Freeze DCO
Type R/W
R/W
R/W
R/W
R
R
R
R
Reset settings = Si598: 0000xxxx, Si599: 1000xxxx
Bit
Name
Function
7
Reserved 0: Si598
1: Si599
6:5
Reserved This bits should read 0 in normal operation.
4
Freeze DCO Freeze DCO.
Freezes the DSPLL so the frequency configuration can be modified.
Si598: Write 0x10 to this register to Freeze DCO.
Si599: Write 0x90 to this register to Freeze DCO.
3:0
Reserved Read only.
Rev. 1.0
19