STV8207 datasheet(73/149 Pages) STMICROELECTRONICS

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STV82x7

12.8

Stereo Mode

ZWT_CTRL

Zweiton Detector Control Register

ZWT_TIME

Zweiton Detector Timing Register

Address: 40h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LRST_TONE_OFF

STD_MODE

THRESH[3:0]

TSCTRL[1:0]

Bit Name

Reset

Function

LRST_TONE_OFF

Control of the reset of the tone detector

0: Periodical reset of tone detection enabled

1: Periodical reset of tone detection disabled

STD_MODE_C

0: German standard (Default)

1: Korean standard

THRESH[3:0]

1100

Defines the threshold of the detector for pilot and tone frequencies.

Level (% of the mid scale)

0000

1000

0001

6.25

1001

56.25

0010

12.5

1010

62.5

0011

18.75

1011

68.75

0100

1100 (Default)

0101

31.25

1101

81.25

0110

37.5

1110

87.5

0111

43.75

1111

93.75

TSCTRL[1:0]

Defines both the detection time and the error probability (reliability of the detection).

Sample Accumulation

Decision Count

Time (ms)

Error Probability

1024

256

10-4

01 (Default)

1024

384

10-6

2048

512

10-7

2048

768

10-9

Address: 41h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

000

ZWT_TIME[2:0]

Bit Name

Reset

Function

Bit [7:3]

00000

Reserved.

STV8207 Datenblatt(PDF) 73 Page - STMicroelectronics

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