Datasheet

Multiband Analog and
Digital Television Tuner
MAX3543
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Table 16. R0C: PWRDET CFG2 Register—Power-Detector Configuration 2 of 2 (Address: 0Ch)
Table 17. R0D: FILT CF ADJ Register—IF Filter Center Frequency and BW Adjustment
(Address: 0Dh)
Table 18. R0E: ROM ADDR Register—ROM Address (Address: 0Eh)
Table 19. R0F: IRHR Register (Address: 0Fh
)
Table 20. R10: ROM READBACK Register—ROM Readback (Address: 10h)
Note: Only production tested and guaranteed functional in factory-trimmed state from ROM table. All other states are untested and
may not function correctly. Contact Maxim if untested settings will be used in production.
Note: Only production tested and guaranteed functional in factory-trimmed state from ROM table. All other states are untested and
may not function correctly.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
EMPTY 7:3 0000 0 Empty
PULLUP 2 0 Must set to 0 for proper operation
RFIFD[1:0] 1:0 01
RF IF AGC diode voltage.
00 = Approximately 0.6V
01 = Approximately 0.95V
10 = Approximately 1.3V
11 = Off
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
EMPTY 7:6 00 Empty
CFSET[5:0] 5:0 ROM
Sets the IF filter center frequency and bandwidth. For proper operation, must read
value from ROM address A[5:0] and write that value to this register.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
EMPTY 7:4 00 Empty
ROMA[3:0] 3:0 0000
Address bits of the ROM register to be read or written. Must set to 0000 when not
reading the ROM table.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
IRHR[7:0] 7:0 ROM
For proper operation, must read value from ROM address B[7:0] and write that
value to this register.
BIT NAME
BIT LOCATION
(0 = LSB)
TYPICAL
SETTING
FUNCTION
ROMR[7:0] 7:0 N/A Data bits read from the ROM table address as specified by R0E[3:0]