전자부품 데이터시트 검색엔진 |
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AD1892JRRL 데이터시트(PDF) 11 Page - Analog Devices |
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AD1892JRRL 데이터시트(HTML) 11 Page - Analog Devices |
11 / 24 page AD1892 REV. 0 –11– BYTE 2 BITS 0 1 2 3 SOURCE NUMBER UNSPECIFIED. 0 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 1 2 3 4 TO 14 (BINARY – BIT 0 IS LSB, BIT 3 IS MSB) 15 0 1 1 1 1 1 1 1 BITS 4 5 6 7 CHANNEL NUMBER UNSPECIFIED. 0 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 1 1 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 1 1 1 Figure 10. Consumer Channel Status Byte 2 BYTE 3 BITS 0 1 2 3 FS: SAMPLE FREQUENCY 44.1 kHz. 0 0 0 0 0 1 0 0 1 1 0 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 0 0 1 1 0 1 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 0 0 1 1 0 1 0 0 X X X 0 1 BITS 6 7 0 0 0 1 BIT 5 1 1 0 44.1 kHz. MANUAL OVERRIDE OR AUTO SET DISABLED. 1 0 32 kHz. MANUAL OVERRIDE OR AUTO SET DISABLED. 1 1 BYTE 1 BITS 0 1 2 3 CHANNEL MODE MODE NOT INDICATED. RECEIVER DEFAULTS TO 2-CHANNEL MODE. MANUAL OVERRIDE ENABLED. 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 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 1 0 BITS 4 5 6 7 USER BIT MANAGEMENT 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 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 1 1 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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