SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 68

• Manufacturer Part Number: SI2107
• Description: SATELLITE RECEIVER FOR DVB-S/DSS
• Manufacturer: SILABS [Silicon Laboratories]

Si2107/08/09/10
Register C1h. LNB Control 2
Register C2h. LNB Control 3
68
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
TFS
D6
D6
TT
D5
0
LNB Signaling Mode.
00 = Automatic (default)
01 = Step-by-step
10 = Manual
11 = Reserved
Program to zero.
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 to zero.
D5
TR
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 to zero.
Preliminary Rev. 0.7
D4
0
D4
0
D3
0
D3
0
Function
Function
BRST_DS
D2
D2
0
TFS
D1
D1
0
D0
D0
0
0