SI2107-X-FM SILABS [Silicon Laboratories], SI2107-X-FM Datasheet - Page 61

• Manufacturer Part Number: SI2107-X-FM
• Description: SATELLITE RECEIVER FOR DVB-S/DSS WITH QUICKLOCK AND QUICKSCAN
• Manufacturer: SILABS [Silicon Laboratories]

Register 33h. Symbol Rate Estimator Register H (Si2109 and Si2110 only)
Register 36h. Carrier Estimator Offset L
Name
Name
Bit
Bit
7:0
7:0
Bit
Bit
D7
D7
SREST[23:16]
CFO[7:0]
Name
Name
D6
D6
Symbol Rate Estimate (High Byte).
See register 31h.
Carrier Frequency Offset (Low Byte).
Designed to store a residual carrier frequency offset for future acquisi-
tions. Used during carrier offset estimation to adjust the center fre-
quency.
Note: CFO is a 16-bit two’s complement number.
Default: 00h
Default: 00h
D5
D5
Preliminary Rev. 0.81
Search center frequency
SREST[23:16]
D4
D4
CFO[7:0]
D3
D3
Function
Function
=
Si2107/08/09/10
f
desired
D2
D2
+
CFO
×
------- -
2
D1
D1
f
15
s
Hz
D0
D0
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