AD1892JRRL datasheet(11/24 Pages) AD

部品番号	AD1892JRRL

部品情報	Integrated Digital Receiver/Rate Converter

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メーカー	AD [Analog Devices]

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AD1892

REV. 0

–11–

BYTE 2

BITS 0

1

2

3

SOURCE NUMBER

UNSPECIFIED.

0

1

0

1

0

1

0

1

0

1

2

3

4 TO

14 (BINARY – BIT 0 IS LSB, BIT 3 IS MSB)

15

0

1

BITS 4

5

6

7

CHANNEL NUMBER

UNSPECIFIED.

0

1

0

1

0

1

0

1

A (LEFT IN 2 CHANNEL FORMAT)

B (RIGHT IN 2 CHANNEL FORMAT)

C TO

N (BINARY – BIT 4 IS LSB, BIT 7 IS MSB)

O

1

Figure 10. Consumer Channel Status Byte 2

BYTE 3

BITS 0

1

2

3

FS: SAMPLE FREQUENCY

44.1 kHz.

0

1

0

1

0

X X X X

48 kHz.

32 kHz.

ALL OTHER STATES OF BITS 0–3 ARE RESERVED.

BITS 4

5

CLOCK ACCURACY

LEVEL II,

1000 ppm (DEFAULT).

0

1

0

1

LEVEL III, VARIABLE PITCH.

LEVEL I,

50 ppm – HIGH ACCURACY.

RESERVED.

BITS 6

7

RESERVED.

X X

BYTES 4–23

RESERVED

Figure 11. Consumer Channel Status Bytes 3 Through 23

48 kHz. MANUAL OVERRIDE OR AUTO SET DISABLED.

SAMPLE FREQUENCY NOT INDICATED.

RECEIVER DEFAULTS TO 48 kHz AND MANUAL

OVERRIDE OR AUTO SET ENABLED.

FS: SAMPLE FREQUENCY

UNLOCKED.

LOCKED–DEFAULT.

LOCK: SOURCE SAMPLE FREQUENCY

ALL OTHER STATES OF BITS 2–4 ARE RESERVED.

CCITT J.17. RECEIVER MANUAL OVERRIDE DISABLED.

50/15 µs. RECEIVER MANUAL OVERRIDE DISABLED.

NONE. RECEIVER MANUAL OVERRIDE DISABLED.

EMPHASIS NOT INDICATED. RECEIVER DEFAULTS

TO NO EMPHASIS WITH MANUAL OVERRIDE ENABLED.

ENCODED AUDIO SIGNAL EMPHASIS

NON-AUDIO. CAN BE USED TO INDICATE AC-3 DATA.

NORMAL AUDIO.

AUDIO

PROFESSIONAL USE OF CHANNEL STATUS BLOCK.

CONSUMER USE OF CHANNEL STATUS BLOCK.

PRO = 1 (PROFESSIONAL)

BYTE 0

BIT 0

0

1

0

BIT 1

1

BITS 2

3

4

0

1

0

1

0

X

0

1

BITS 6

7

0

1

BIT 5

1

0

44.1 kHz. MANUAL OVERRIDE OR AUTO SET DISABLED.

1

0

32 kHz. MANUAL OVERRIDE OR AUTO SET DISABLED.

1

BYTE 1

BITS 0

1

2

3

CHANNEL MODE

MODE NOT INDICATED. RECEIVER DEFAULTS TO

2-CHANNEL MODE. MANUAL OVERRIDE ENABLED.

0

1

0

1

0

1

0

1

0

TWO CHANNELS. MANUAL OVERRIDE DISABLED.

SINGLE CHANNEL. MANUAL OVERRIDE DISABLED.

PRIMARY/SECONDARY (CH. A IS PRIMARY). MANUAL

OVERRIDE DISABLED.

STEREOPHONIC (CH. A IS LEFT). MANUAL OVERRIDE

DISABLED.

0

1

0

1

0

1

0

BITS 4

5

6

7

USER BIT MANAGEMENT

0

1

0

1

0

1

DEFAULT. NO USER INFORMATION INDICATED.

192 BIT BLOCK STRUCTURE. PREAMBLE 'Z' STARTS

BLOCK.

RESERVED.

ALL OTHER STATES OF BITS 4–7 ARE RESERVED.

RESERVED FOR USED DEFINED APPLICATIONS.

VECTOR TO BYTE 3. RESERVED.

1

RESERVED FOR USED DEFINED APPLICATIONS.

ALL OTHER STATES OF BITS 0–3 ARE RESERVED.

X X X X

USER DEFINED APPLICATION.

X X X X

Figure 12. Professional Channel Status Bytes 0 and 1

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