SI2107-X-FM SILABS [Silicon Laboratories], SI2107-X-FM Datasheet - Page 55

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

Register 14h. Acquisition Control 1
Register 15h. ADC Sampling Rate
Register 16h. Coarse Tune Frequency
Name
Name
Name
Bit
6:0
Bit
7:0
Bit
7:0
7
Bit
Bit
Bit
AQS
D7
D7
D7
ADCSR[7:0]
Reserved
CTF[7:0]
Name
Name
Name
AQS
D6
D6
D6
0
D5
D5
D5
0
Automatic Acquisition Start.
Writing a one to this bit initiates the acquisition sequence. This bit is
automatically cleared when the acquisition sequence completes.
Program as shown above.
ADC Sampling Rate.
f
Default: C8h (200 MHz)
Coarse Tune Frequency.
Calculation of the coarse tune value is determined by the reference
software driver.
f
Default: 00h
s
coarse
= ADCSR x 1 MHz
Preliminary Rev. 0.81
= CTF x 10 MHz
D4
ADCSR[7:0]
D4
D4
0
CTF[7:0]
D3
D3
D3
0
Function
Function
Function
Si2107/08/09/10
D2
D2
D2
0
D1
D1
D1
0
D0
D0
D0
0
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