STV82X6 datasheet(56/95 Pages) STMICROELECTRONICS

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STV82x6

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FM_DCR

FM DC Offset Right Register

PRE_FM

FM Prescaling Register

Bit Name

Reset

Function

FM_DCL[7:0]

00000000

Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on

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

Address (hex): 43h

Type: R

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

FM_DCR[7:0]

Bit Name

Reset

Function

FM_DCR[7:0]

00000000

Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on

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

Table 19: FM_DCL/R Range and Resolution

FM mode

Range (kHz)

Resolution (kHz)

Small

± 96

0.750

Standard & A2 Standard

± 192

1.5

Medium

± 384

Large

± 768

Address (hex): 44h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

FM_PRESCALE[5:0]

Bit Name

Reset

Function

Bits[7:6]

Reserved.

STV82X6 Datenblatt(PDF) 56 Page - STMicroelectronics

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