AD1892JR View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD1892JR

Integrated Digital Receiver/Rate Converter

Analog Devices 

AD1892

BYTE 0

BIT 0

PRO = 0 (CONSUMER)

0

CONSUMER USE OF CHANNEL STATUS BLOCK.

1

PROFESSIONAL USE OF CHANNEL STATUS BLOCK.

BIT 1

AUDIO

0

DIGITAL AUDIO.

1

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

BIT 2

COPY/COPYRIGHT.

0

COPY INHIBITED/COPYRIGHT ASSERTED.

1

COPY PERMITTED/COPYRIGHT NOT ASSERTED.

BITS 3 4 5 PRE-EMPHASIS – IF BIT 1 = 0 (DIGITAL AUDIO)

0 0 0 NONE – 2 CHANNEL AUDIO.

1 0 0 50/15 µs – 2 CHANNEL AUDIO.

0 1 0 RESERVED – 2 CHANNEL AUDIO.

11 0

XX 1

RESERVED – 2 CHANNEL AUDIO.

RESERVED – 4 CHANNEL AUDIO.

BITS 3 4 5 IF BIT 1 = 1 (NON-AUDIO)

0 0 0 DIGITAL DATA.

X X X ALL OTHER STATES OF BITS 3–5 ARE RESERVED.

BITS 6 7

00

XX

MODE

MODE 0 (DEFINES BYTES 1–3)

ALL OTHER STATES OF BITS 6–7 ARE RESERVED.

Figure 8. Consumer Channel Status Byte 0

BYTE 1

BITS 0 1 2 3 4 5 6 CATEGORY CODE

0 0 0 0 0 0 0 GENERAL. "IGNORANT" CATEGORY CODE.

0 0 1 EXPERIMENTAL.

X X X RESERVED.

0 0 0 1 X X X SOLID STATE MEMORY.

001

BROADCAST RECEPTION OF DIGITAL AUDIO.

L BIT DEFINITION REVERSED.

0 0 0 0 JAPAN

0 0 1 1 UNITED STATES.

1 0 0 0 EUROPE.

0 0 0 1 ELECTRONIC SOFTWARE DELIVERY.

X X X X ALL OTHER STATES ARE RESERVED.

010

DIGITAL/DIGITAL CONVERTERS

0 0 0 0 PCM ENCODER/DECODER.

0 0 1 0 DIGITAL SOUND SAMPLER.

0 1 0 0 DIGITAL SIGNAL MIXER.

1 1 0 0 SAMPLE RATE CONVERTER.

X X X X ALL OTHER STATES ARE RESERVED.

0110

A/D CONVERTERS

0 0 0 A/D CONVERTER W/O COPY PROTECTION INFO

"IGNORANT" CATEGORY CODE.

1 0 0 A/D CONVERTER W/COPY PROTECTION INFO

(USING COPY AND L BITS).

0 1 1 1 X X X BROADCAST RECEPTION OF DIGITAL AUDIO.

L BIT DEFINITION REVERSED.

100

LASER OPTICAL. L BIT DEFINITION REVERSED.

0 0 0 0 CD – COMPATIBLE WITH IEC-908.

1 0 0 0 CD – NOT COMPATIBLE WITH IEC-908.

(MAGNETO-OPTICAL).

1 0 0 1 MD – MINIDISC.

X X X X ALL OTHER STATES ARE RESERVED.

101

MUSICAL INSTRUMENTS, MICS, ETC.

0 0 0 0 SYNTHESIZER.

1 0 0 0 MICROPHONE.

X X X X ALL OTHER STATES ARE RESERVED.

110

MAGNETIC TAPE OR DISK

0 0 0 0 DAT – DIGITAL AUDIO TAPE.

1 0 0 0 VIDEO TAPE RECORDER WITH DIGITAL AUDIO.

0 0 0 1 DCC – DIGITAL COMPACT CASSETTE

X X X X ALL OTHER STATES ARE RESERVED.

1 1 1 X X X X RESERVED

BIT 7 L: GENERATION STATUS

ONLY CATEGORY CODES: 1 0 0 X X X X,

0 0 1 X X X X, 0 1 1 1 X X X

0 ORIGINAL/COMMERCIALLY PRE-RECORDED DATA.

1 NO INDICATION /1ST GENERATION OR HIGHER.

ALL OTHER CATEGORY CODES

0 NO INDICATION /1ST GENERATION OR HIGHER.

1 ORIGINAL/COMMERCIALLY PRERECORDED DATA.

Figure 9. Consumer Channel Status Byte 1

–10–

REV. 0

Share Link: