SI2107 SILABS [Silicon Laboratories], SI2107 Datasheet - Page 75
SI2107
Manufacturer Part Number
SI2107
Description
SATELLITE RECEIVER FOR DVB-S/DSS
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI2107.pdf
(80 pages)
- Current page: 75 of 80
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9. Pin Descriptions
Number
Pin
10
11
1
2
3
4
5
6
7
8
9
VSEN/TDET
LNB1/TGEN
LNB2/DRC
VDD_ADC
VDD_LNA
VDD_MIX
VDD_BB
RESET
Name
ADDR
REXT
ISEN
VSEN/TDET
LNB1/TGEN
VDD_DIG18
LNB2/DRC
VDD_ADC
PWM/DCS
VDD_LNA
VDD_MIX
VDD_BB
RESET
ADDR
REXT
ISEN
10
11
12
13
1
2
3
4
5
6
7
8
9
I/O
I/O
I/O I2C Address Select.
I/O
O
I
I
I
I
I
I
I
44
14 15 16 17 18 19 20 21 22
43
Supply Voltage.
LNA power supply. Connect to 3.3 V.
External Reference Resistor.
Connect 4.53 kΩ to GND.
Supply Voltage.
Mixer power supply. Connect to 3.3 V
Supply Voltage.
Baseband power supply. Connect to 1.8 V.
Supply Voltage.
ADC power supply. Connect to 3.3 V.
Voltage Sense/Tone Detect.
VSEN (Si2108/10 only)—Line voltage of LNB supply circuit.
TDET—Detect input of external tone or tone envelope.
LNB Control 1/Tone Generation.
LNB1 (Si2108/10 only)—Required connection to LNB supply circuit.
TGEN—Outputs tone or tone envelope.
Current Sense (Si2108/10 only).
Monitors current of LNB supply circuit. When LNB supply circuit is not populated or
when using Si2107/09, leave pin unconnected.
LNB Control 2/Direction Control.
LNB2 (Si2108/10 only)—required connection to LNB supply circuit.
DRC—Outputs signal to indicate message transmission (HIGH) or reception
(LOW).
Device Reset.
Active low.
Si2108/10
42
View
Top
41
GND
GND
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Preliminary Rev. 0.7
XTAL1
XTAL2
VDD_XTAL
XTOUT
VDD_PLL33
INT/RLK/GPO
TS_ERR
TS_VAL
TS_SYNC
SDA
SCL
TS_DATA[7]
TS_DATA[6]
VDD_DIG18
VDD_ADC
VDD_LNA
VDD_MIX
VDD_BB
RESET
ADDR
TGEN
REXT
TDET
DRC
DCS
NC
10
11
12
13
Description
1
2
3
4
5
6
7
8
9
44
14 15 16 17 18 19 20 21 22
Si2107/09
43
42
View
Top
41
GND
GND
40
39
Si2107/08/09/10
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
XTAL1
XTAL2
VDD_XTAL
XTOUT
VDD_PLL33
INT/RLK/GPO
TS_ERR
TS_VAL
TS_SYNC
SDA
SCL
TS_DATA[7]
TS_DATA[6]
75
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