LNBH29 Datasheet, PDF (18/31 Pages) STMicroelectronics – STB satellite receivers

I²C interface protocol
LNBH29
BIT
Bit 0
(LSB)
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
(MSB)
Table 6. DATA (READ/WRITE register. Register address = 0X1)
Name Value
Description
VSEL0
VSEL1
VSEL2
COMP
N/A
N/A
N/A
0/1
Output voltage selection bits.
0/1 _{(Refer to Table 7)}
0/1
1
DC-DC converter compensation: set to “1” for using very low E.S.R.
capacitors or ceramic caps (V_UP pin).
0
DC-DC converter compensation: set to “0” for using standard E.S.R.
capacitors (V_UP pin).
0 Reserved. Keep to “0”
0 Reserved. Keep to “0”
0 Reserved. Keep to “0”
N/A
0 Reserved. Keep to “0”
N/A = Reserved bit.
All bits reset to “0” at power-on.
Table 7. Output voltage selection table (DATA register, Write mode)
VSEL2 VSEL1 VSEL0
V_OUT
min.
V_OUT pin
voltage
V_OUT
max.
Function
0
0
0
0.000
V_OUT disabled. LNBH29/LNBH29E set
in Standby mode
0
0
1
12.545 13.000 13.455
0
1
0
12.867 13.333 13.800
0
1
1
13.188 13.667 14.000
1
0
1
17.515 18.150 18.785
1
1
0
17.836 18.483 19.130
1
1
1
18.158 18.817 19.475
18/31
DocID023065 Rev 3