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AD1892JRRL Datasheet(PDF) 15 Page - Analog Devices |
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AD1892JRRL Datasheet(HTML) 15 Page - Analog Devices |
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15 / 24 page ![]() AD1892 REV. 0 –15– NO PHASE LOCK CH. STATUS CRC ERROR INTERRUPT (MIRRORS PIN) ERROR (MIRRORS PIN) CHANNEL STATUS CHANGE VALIDITY ERROR PARITY ERROR CODING VIOLATION RESERVED RESET TO 0 RESERVED RESET TO 0 RESERVED RESET TO 0 RESERVED RESET TO 0 RESERVED RESET TO 0 SAMPLE FREQUENCY RESERVED RESERVED NOT DEFINED USER BIT MANAGEMENT LOCKED/ UNLOCKED PRE-EMPHASIS PRE-EMPHASIS AUDIO/ NON-AUDIO CON/ PRO CHANNEL MODE RESERVED WORD LENGTH WORD LENGTH WORD LENGTH AUX USE AUX USE AUX USE RESERVED RESERVED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED ADDRESS D7 D6 D5 D4 D3 D2 D1 D0 00 0000 00 0001 00 0010 00 0011 00 0100 00 0101 00 0110 00 0111 00 1000 00 1001 00 1010 00 1011 00 1100 00 1101 00 1110 00 1111 STATUS REGISTER 0 CHANNEL STATUS BYTE 0 Q-CHANNEL SUBCODE BYTE 0 STATUS REGISTER 1 CHANNEL STATUS BYTE 1 CHANNEL STATUS BYTE 2 CHANNEL STATUS BYTE 3 Q-CHANNEL SUBCODE BYTE 1 Q-CHANNEL SUBCODE BYTE 2 Q-CHANNEL SUBCODE BYTE 3 Q-CHANNEL SUBCODE BYTE 4 Q-CHANNEL SUBCODE BYTE 5 Q-CHANNEL SUBCODE BYTE 6 Q-CHANNEL SUBCODE BYTE 7 Q-CHANNEL SUBCODE BYTE 8 Q-CHANNEL SUBCODE BYTE 9 STATUS BUFFER – 16 BYTES PRO MODE NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED NOT DEFINED RESERVED RESERVED RESERVED RESERVED RESERVED CHANNEL MODE CHANNEL MODE CHANNEL MODE USER BIT MANAGEMENT USER BIT MANAGEMENT USER BIT MANAGEMENT SAMPLE FREQUENCY PRE-EMPHASIS NOT DEFINED NOT DEFINED NOT DEFINED Figure 23. Status Registers–Professional Mode A detailed description of Status Registers 0 and 1 is given in Figure 24. Note that the bits in Status Register 0 and 1 are sticky and are cleared following a read cycle. NO PHASE LOCK CH. STATUS CRC ERROR INTERRUPT (MIRRORS PIN) ERROR (MIRRORS PIN) CH. STATUS CHANGE VALIDITY ERROR PARITY ERROR CODING VIOLATION STATUS REGISTER 0 00 0000 ADDRESS D7 D6 D5 D4 D3 D2 D1 D0 HI = CRC ERROR LO = NO CRC ERROR STICKY, CLEARED ON READ PROFESSIONAL MODE ONLY HI = NO LOCK LO = LOCK STICKY, CLEARED ON READ HI = CS CHANGE BLOCK-TO-BLOCK LO = NO CS CHANGE BLOCK-TO-BLOCK STICKY, CLEARED ON READ HI = INCOMING V BIT HI LO = INCOMING V BIT LO STICKY, CLEARED ON READ HI = COMPUTED EVEN PARITY ERROR ON 32-BIT INCOMING WORD LO = NO COMPUTED EVEN PARITY ERROR STICKY, CLEARED ON READ HI = BIPHASE-MARK CODING VIOLATION– NOT INCLUDING PREAMBLES LO = NO CODING VIOLATION STICKY, CLEARED ON READ HI = TRACK NUMBER CHANGE OR CHANNEL STATUS CHANGE LO = NO TRACK NUMBER CHANGE OR CHANNEL STATUS CHANGE STICKY, CLEARED ON READ HI = PARITY ERROR OR VALIDITY ERROR LO = NO PARITY ERROR OR VALIDITY ERROR STICKY, CLEARED ON READ DAT START ID Q-CHANNEL CRC ERROR Q-CHANNEL BLOCK START RESERVED RESET TO 0 RESERVED RESET TO 0 STATUS REGISTER 1 00 0001 RESERVED RESET TO 0 RESERVED RESET TO 0 RESERVED RESET TO 0 ADDRESS D7 D6 D5 D4 D3 D2 D1 D0 HI = CRC ERROR LO = NO CRC ERROR STICKY, CLEARED ON READ CONSUMER MODE ONLY HI = DAT START ID (WHEN CATEGORY CODE = 1100000 AND RIGHT CHANNEL SUBFRAME U BIT = 1) LO = NO DAT START ID STICKY, CLEARED ON READ CONSUMER MODE ONLY HI = Q-CHANNEL SUBCODE BLOCK BOUNDARY ENCOUNTERED LO = NO Q-CHANNEL SUBCODE BLOCK BOUNDARY ENCOUNTERED STICKY, CLEARED ON READ CONSUMER MODE ONLY Figure 24. Status Register Bit Maps |
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