SI2107-X-FM SILABS [Silicon Laboratories], SI2107-X-FM Datasheet - Page 81

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

Register C1h. LNB Control 2
Register C2h. LNB Control 3
Name
Name
Bit
4:0
7
6
5
Bit
Bit
7:6
5:3
Bit
2
1
0
TDIR
D7
D7
LNBM[1:0]
Reserved
LNBM[1:0]
BRST_DS
Reserved
Reserved
Name
TDIR
TR
Name
TT
D6
TT
TFS
D6
D5
TR
D5
0
LNB Signaling Mode.
00 = Automatic (default)
01 = Step-by-step
10 = Manual
11 = Reserved
Program as shown above.
Tone Burst Disable.
0 = Enabled (default)
1 = Disabled
Note: For use in automatic LNB mode only, in conjunction with LNBB (C0h[4])
Tone Format Select.
0 = Tone generation/detection (default)
1 = Envelope generation/detection
Program as shown above.
Tone Direction Control.
Controls output of DRC pin.
0 = Low (logic zero) (default)
1 = High (logic one)
Note: This bit is only active in manual LNB mode.
Tone Transmit.
Controls output of TGEN pin.
0 = Tone off / Low (logic zero) (default)
1 = Tone on / High (logic one)
Note: This bit is only active in manual LNB mode.
Tone Receive.
Detects input on TDET pin.
0 = No tone or low signal detected (default)
1 = Tone or high signal detected
Note: This bit is only active in manual LNB mode.
Program as shown above.
D4
Preliminary Rev. 0.81
0
D4
0
D3
D3
0
0
Function
Function
D2
BRST_DS
Si2107/08/09/10
D2
0
D1
TFS
D1
0
D0
D0
0
0
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