SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 72

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

Si2107/08/09/10
Register CCh. LNB Supply Control 2 (Si2108 and Si2110 only)
Register CDh. LNB Supply Control 3 (Si2110 only)
72
Note: Register CCh is lockable via LNBL (CEh[7]). When locked, this register is read-only.
Name
Name
Bit
7:6
5:4
3:2
1:0
Bit
7:0
Bit
Bit
D7
D7
ILIM[1:0]
VMON[7:0]
OLOT[1:0]
SLOT[1:0]
IMAX[1:0]
ILIM[1:0]
Name
Name
D6
D6
D5
D5
Average Current Limit.
00 = 400 – 550 mA (default)
01 = 500 – 650 mA
10 = 650 – 850 mA
11 = 800 – 1000 mA
Peak Current Limit.
00 = 1.2 A (default)
01 = 1.6 A
10 = 2.4 A
11 = 3.2 A
Short Circuit Lockout Time.
00 = 15 µs
01 = 20 µs (default)
10 = 30 µs
11 = 40 µs
Overcurrent Lockout Time.
00 = 2.5 ms
01 = 3.75 ms
10 = 5.0 ms (default)
11 = 7.5 ms
LNB Voltage Monitor.
LNB output voltage = VMON x 0.0625 + 6 V
IMAX[1:0]
Preliminary Rev. 0.7
D4
D4
VMON[7:0]
D3
D3
SLOT[1:0]
Function
Function
D2
D2
D1
D1
OLOT[1:0]
D0
D0