User manual DENON DN-T625 SERIAL PROTOCOL

[. . . ] Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 1 page of 5 5 Specification For Serial Interface DN-T645/625 Denon, Ltd. Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 2 page of 5 5 Histories Rev. 1. 00 Date Aug. , 30, '02 Name J. Watanabe Description Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 page of 5 5 Contents 1 1. 1 1. 2 2 2. 1 Serial communication interface Physical interface Transfer format of serial data Command format and answer format Protocol for data transmission and reception Basic procedure Communication errors 2. 2 2. 3 2. 4 2. 5 2. 6 Command / Answer sequence List of command codes List of answer codes Status List Command specification 2. 6. 1 RESET command 2. 6. 2 SLEEP command 2. 6. 3 REQUEST PLAY STATUS command 2. 6. 4 REQUEST FIRMWARE REVISION command 2. 6. 5 REQUEST ERROR CODE command 2. 6. 6 REQUEST TAPE INFORMATION 2. 6. 7 REQUEST ESTABLISH command 2. 6. 8 REQUEST MACHINE ID command 2. 6. 9 REQUEST CD TOC command 2. 6. 10 REQUEST TEXT DATA command 2. 6. 11 Request Display Status command 2. 6. 12 Request Slide Switch Status command 2. 6. 13 Request Program Table command 2. 6. 14 PLAY command 2. 6. 15 STOP command 2. 6. 16 CD PAUSE command 2. 6. 17 Skip command 2. 6. 18 SEARCH command 2. 6. 19 Open / Close Command 2. 6. 20 Cue command 2. 6. 21 Program / Direct command 2. 6. 22 Track Num Entry command 2. 6. 23 RANDOM command 2. 6. 24 A-B command 2. 6. 25 CD Sync command 5 5 6 7 8 8 8 9 10 11 11 12 12 13 14 16 17 18 19 20 21 22 24 25 26 28 29 30 31 32 33 34 35 36 37 38 39 Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 4 page of 5 5 2. 6. 26 Pitch command 2. 6. 27 Pitch Set command 2. 6. 28 Time command 2. 6. 29 Title command 2. 6. 30 Repeat command 2. 6. 31 Play Mode command 2. 6. 32 REC command 2. 6. 33 PAUSE REC command 2. 6. 34 FORWARD command 2. 6. 35 REWIND command 2. 6. 36 DIRECTION command 2. 6. 37 MEMORY command 2. 6. 38 COUNTER RESET command 2. 6. 39 DOLBY command 2. 6. 40 SETTING Relay Mode command 2. 6. 44 REV Mode command 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 5 page of 5 5 1 Serial communication interface 1. 1 Physical interface a) DN-645/625 has a D-sub 9 pin female connector for serial interface. RS-232C and RS-422A can be selected with software switch on the DN-T645. RS-422A is not available on the DN-T625, only RS-232C. Terminal # 1 2 3 4 5 6 7 8 9 RS-232C Signal NC TxD RxD NC S. GROUND NC NC NC NC I/O O I - RS-422A Signal NC TxD RxD NC S. GROUND NC TXD RXDNC I/O O I O I - Table 1. [. . . ] PLAY command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`@') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 50. PLAY answer 3) Special conditions · · · · When cassette mecha status is REC pause or REC mute, the device will start recording. The answer code returns "Command OK", when mecha status data is Play or Recording. When mecha status data is No Tape, this device returns "CONDITION ERROR". This command forces playback start, when mecha status is in Stop, Forward, Rewind, Cue, Review or Play Mute. Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 2 9 page of 5 5 2. 6. 15 STOP command This command stops playback, recording, fast forward and rewind. 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 4 3 2 STX (0x02) Command code (`A') Mechanism select (CD: `0', Tape: `1') Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 5 1 0 Table 51. STOP command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`A') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 52. STOP answer 3) Special conditions · · The answer code returns "Command OK", when mecha status data is Stop. The answer code returns "Command OK", when mecha status data is No Tape. Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 0 page of 5 5 2. 6. 16 CD PAUSE command This command pauses the CD. 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 5 4 3 STX (0x02) Command code (`B') Reserve (0x00) Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 53. CD PAUSE command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`B') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 54. CD PAUSE answer 3) Special conditions Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 1 page of 5 5 2. 6. 17 Skip command This command performs music search of a CD. 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 4 3 2 STX (0x02) Command code (`C') Skip code (Forward: '+', Reverse: '-`) Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) Table 55. SKIP command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`C') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 5 1 0 Table 56. SKIP answer 3) Special condition Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 2 page of 5 5 2. 6. 18 SEARCH command This command performs music search at a designated speed for CD playback. 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 5 4 3 2 STX (0x02) Command code (`D') Search Speed (Table 58) Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 1 0 Table 57. SEARCH command Code 0x40 (`@') 0x41 (`A') 0x42 (`B') 0x43 (`C') 0x44 (`D') 0x61 (`a') 0x62 (`b') 0x63 (`c') 0x64 (`d') Search Speed Reserved X32 FWD X16 FWD X8 FWD X4 FWD X32 RVS X16 RVS X8 RVS X4 RVS Table 58. Search speed 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`D`) Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 59. SEARCH answer 3) Special condition Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 3 page of 5 5 2. 6. 19 Open / Close Command This command opens and closes the loader of the CD. 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 4 3 2 STX (0x02) Command code (`E') Open / Close Code (Close: `0', Open: `1') Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 5 1 0 Table 60. Open / Close command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`E') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 61. Open / Close answer 3) Special condition Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 4 page of 5 5 2. 6. 20 Cue command This command transfers playback position in the queue point and goes into Pause. (CD) 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 5 4 3 STX (0x02) Command code (`F') Reserve (0x00) Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 62. Cue command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`F') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 63. Cue answer 3) Special condition Revision1. 00 Date 2002-08-30 DN-T645/625 Serial Interface Specification 3 5 page of 5 5 2. 6. 21 Program / Direct command This command selects a program mode or a direct mode. (CD) 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 4 3 2 1 STX (0x02) Command code (`G') Program / Direct Code (Direct: `0', Program: `1') Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 5 0 Table 64. Program / Direct command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`G') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 65. [. . . ] If the established DIRECTION of Request is Rewind, both directions are the same and if REVERSE, the directions are different and this command makes forward function. (TAPE) 1) Command format Byte/bit 0 1 2 3 4 5 6 7 8 7 6 4 3 2 STX (0x02) Command code (`e') Music search ON/OFF (OFF: `0', ON: `1') Reserve (0x00) Reserve (0x00) Reserve (0x00) ETX (0x03) BCCH (high-level) BCCL (low-level) 5 1 0 Table 99. Rewind command 2) Answer format Byte/bit 0 1 2 3 4 5 7 6 5 4 3 STX (0x02) Reply code (`e') Answer code (Table 3) ETX (0x03) BCCH (high-level) BCCL (low-level) 2 1 0 Table 100. Rewind answer 3) Special condition · This command is not valid, when system status is dubbing. [. . . ]