MAX3540 Maxim Integrated Products, MAX3540 Datasheet - Page 8

• Manufacturer Part Number: MAX3540
• Description: Complete Single-Conversion Television Tuner
• Manufacturer: Maxim Integrated Products

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Complete Single-Conversion Television Tuner
Table 6. RSSI, Charge Pump, and Filter Select Register (Address: 0100
Table 7. Control Register (Address: 0101
8
IFO V LD [ 2:0]
RESERVED
RESERVED
BIT NAME
BIT NAME
SHDN_IFV
SHDN_RF
INPT[1:0]
CP[1:0]
TF[1:0]
_______________________________________________________________________________________
GA
BIT LOCATION (0 = LSB)
BIT LOCATION (0 = LSB)
6, 5, 4
7–4
1, 0
3, 2
1, 0
3
2
7
RECOMMENDED
RECOMMENDED
DEFAULT
DEFAULT
0000
000
00
00
00
0
1
0
b
)
Must be set to 0000.
RF shutdown.
0 = RF circuitry enabled
1 = RF circuitry disabled
IF VGA shutdown.
0 = IF VGA enabled
1 = IF VGA disabled
Selects the RF input.
00 = selects VHF_IN with LPF
01 = selects VHF_IN, no LPF
10 = selects UHF_IN
11 = factory use only
Must be set to 0.
Write content of ROM register OD[2:0] to this location.
Selects the typical charge-pump current.
00 = 0.5mA
01 = 1mA
10 = 1.5mA
11 = 2mA
Selects the tracking filter band of operation.
00 = VHF low
01 = VHF high
10 = UHF
11 = factory use only
FUNCTION
FUNCTION
b
)