si514 Silicon Laboratories, si514 Datasheet - Page 21

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

Register 128.
Register 132.
6:0
7:3
Bit
Bit
Default
Name
7
2
1
0
Default
Type
Name
Bit
Type
Bit
Reserved
Reserved
Reserved
Name
Name
FCAL
RST
OE
R/W
7
RST
R/W
7
0
Global Reset.
Resets all register values to default values. Self-clearing.
Output Enable.
OE can stop in high, low or high impedance state.
1: Output driver enabled.
0: Output driver powered down. OE_STATE register determines output state when dis-
abled.
Initiates frequency calibration cycle. Necessary when making large frequency
changes. Frequency calibration cycle takes 10 msec maximum. To prevent intermedi-
ate frequencies on the output, set disable output using OE register. Self-clearing.
R/W
6
R/W
6
R/W
R/W
5
5
Preliminary Rev. 0.9
R/W
R/W
4
4
Function
Function
R/W
R/W
3
3
R/W
R/W
OE
2
1
2
R/W
R/W
1
1
Si514
FCAL
R/W
R/W
0
0
0
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