STV82x6
Register List
9.5 Demodulator
DEMOD_CTRL
Address (hex): 0Ch
Type: R/W
Bit 7
Bit 6
0
0
Demodulator Control Register
Bit 5
0
Bit 4
0
Bit 3
AM_SEL
Bit 2
Bit 1
DEMOD_MODE[2:0]
Bit 0
Bit Name
Reset
Function
Bits[7:4]
AM_SEL
DEMOD_MODE[
2:0]
0000 Reserved.
0 Demodulator Configuration Select
0: FM configuration of demodulator (Default)
1: AM configuration of demodulator
110 Demodulator Mode Select
CH1 FM
CH2 FM/QPSK
X00:
X01:
010:
011:
110:
111:
Normal
Wide
Normal
Wide
Normal
Wide
FM Normal
FM Wide
QPSK System B/G/L/D/K
QPSK System B/G/L/D/K
QPSK System I
QPSK System I
DEMOD_STAT
Address (hex): 0Dh
Type: R
Bit 7
Bit 6
0
0
Demodulator Detection Status Register
Bit 5
0
Bit 4
QPSK_LK
Bit 3
FM2_CAR
Bit 2
FM2_SQ
Bit 1
FM1_CAR
Bit 0
FM1_SQ
Bit Name
Bit [7:5]
QPSK_LK
FM2_CAR
FM2_SQ
Reset
Function
000 Reserved.
0 QPSK Lock detection flag
0: Not detected
1: Detected
0 Channel 2 FM/AM Carrier detector flag
0: Not detected
1: Detected
0 Channel 2 FM Squelch detector flag
0: Not detected
1: Detected
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