STV82X6 STMICROELECTRONICS [STMicroelectronics], STV82X6 Datasheet - Page 56

• Manufacturer Part Number: STV82X6
• Description: Multistandard TV Audio Processor and Digital Sound Demodulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Register List
56/95
Address (hex): 43h
Type: R
Address (hex): 44h
Type: R/W
FM_DCR[7:0]
FM_DCL[7:0]
Bit Name
Bit Name
Bit Name
Bit 7
Bit 7
Bits[7:6]
0
FM_DCR
PRE_FM
Bit 6
Bit 6
Reset
00000000
00000000
0
Reset
Reset
0
Standard & A2 Standard
Reserved.
FM mode
Medium
channel 1 (and removed automatically).
In FM mode, the DC offset value gives a direct value of the carrier frequency offset which is
used to compensate the DCO with the CAROFFSET1 value in the event of an out-of-standard
offset. The range and the resolution depend upon the FM bandwidth programmed defined in
register BCOEFF1. See
channel 2 (and removed automatically).
In FM mode, the DC offset value gives a direct value of the carrier frequency offset which is
used to compensate the DCO with the CAROFFSET2 value in the event of an out-of-standard
offset. The range and the resolution depend upon the FM bandwidth programmed defined in
register BCOEFF2. See
Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on
Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on
Large
Small
Bit 5
Bit 5
Table 19: FM_DCL/R Range and Resolution
FM DC Offset Right Register
FM Prescaling Register
Bit 4
Bit 4
Range (kHz)
FM_DCR[7:0]
Table
Table
± 192
± 384
± 768
± 96
19.
19.
Bit 3
Bit 3
FM_PRESCALE[5:0]
Function
Function
Function
Resolution (kHz)
Bit 2
Bit 2
0.750
1.5
3
6
Bit 1
Bit 1
STV82x6
Bit 0
Bit 0