si514 Silicon Laboratories, si514 Datasheet - Page 19

• Manufacturer Part Number: si514
• Description: Any-frequency I 2c Programmable Xo 100 Khz To 250 Mhz
• Manufacturer: Silicon Laboratories

Register 9.
Register 10.
7:6
5:0
7:0
Bit
Bit
Default
Default
Name
Name
Type
Type
Bit
Bit
HS_DIV[7:0]
M_Int[8:3]
Reserved
Name
Name
R/W
7
7
Integer part of feedback divider M that sets the output frequency. Frequency updates
take effect when M_Int[8:3] is written.
Integer divider that divides VCO frequency and provides output to LS_DIV. Follow the
large frequency change procedure when updating. The allowed values are even num-
bers in the range from 10 to 1022 (i.e., 10, 12, 14, 16, ...., 1022). The decimal value
represents the actual divide value (i.e. 12 means divide-by-12).
R/W
6
6
5
5
Preliminary Rev. 0.9
4
4
HS_DIV[7:0]
Varies
R/W
Function
Function
3
3
M_Int[8:3]
Varies
R/W
2
2
1
1
Si514
0
0
19