Datasheet

Multiband Analog and
Digital Television Tuner
MAX3543
______________________________________________________________________________________ 13
Table 11. R07: TFP Register—Tracking Filter Parallel Capacitor (Address: 07h)
Table 12. R08: SHUTDOWN Register—Shutdown Control (Address: 08h)
Table 13. R09: REF CONFIG Register—Reference Oscillator Configuration (Address: 09h)
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
EMPTY 7:6 00 Empty
TFP[5:0] 5:0 N/A
Programs parallel capacitor values in the tracking filter. The value is determined
from the values in the ROM table applied to an equation executed in the Maxim-
provided device driver code.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
STBY 7 0
Standby.
1 = All circuits shut down except crystal oscillator and REFOUT
SDRF 6 0 RF shutdown. Must set to 0 for proper operation.
SDMIX 5 0 Mixer shutdown. Must set to 0 for proper operation.
SDIF 4 0 IF shutdown. Must set to 0 for proper operation.
SDIFVG 3 0
IF VGA shutdown.
0 = IF VGA enabled
1 = IF VGA disabled
SDPD 2 0 Power-detector shutdown. Must set to 0 for proper operation.
SDSYN 1 0 Frequency synthesizer shutdown. Must set to 0 for proper operation.
SDVCO 0 0 VCO shutdown. Must set to 0 for proper operation.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
EMPTY 7:5 000 Empty
CPLIN[1:0] 4:3 01 Must set to 01 for proper operation
ALC[1:0] 2:1 01 Must set to 01 for proper operation
XODIV 0 0
Sets crystal oscillator divider for REFOUT signal when REFDIV pin is unconnected.
0: f
REFOUT
= f
XTAL
/4
1: f
REFOUT
= f
XTAL