Tascam CD-A750, Specification

Page 1: ...TASCAM CD A750 CONTROL I O RS 232C connector RS 232C Protocol Specification Ver 1 00 May 2009 TEAC Corporation...

Page 2: ...interest relating to the protocol information and or protocol itself You agree that this protocol information is a writing belonging to TEAC and protected under copyright laws of each member nation of...

Page 3: ...between 5V and 15V for a load impedance of between 3K and 7K Signal discrimination Logical 1 Less than 3V Logical 0 More than 3V Communication format Circuit type 3 wire half duplex Transmission type...

Page 4: ...TASCAM CD A750 RS 232C Protocol Specifications 4 TEAC Corporation 2 3 5 RXD TXD RTS CTS GND RXD TXD RTS CTS GND 7 8 Controlled device CD A750 External controller...

Page 5: ...he controlled device is in Stop or Ready mode this command starts playback of the CD on the controlled device The PLAY command is 12 ID Command ASCII LF 0 1 2 CR HEX 0Ah 30h 31h 32h 0Dh Example 2 Dire...

Page 6: ...TURN 36 AUTO READY SELECT B6 AUTO READY SELECT RETURN 37 REPEAT SELECT B7 REPEAT SELECT RETURN 3A INCR PLAY SELECT BA INCR PLAY SELECT RETURN 3B AUTO SPACE SELECT BB AUTO SPACE SELECT RETURN 3F TIME D...

Page 7: ...Z 50 MECHA STATUS SENSE D0 MECHA STATUS RETURN 56 MEDIA STATUS SENSE D6 MEDIA STATUS RETURN 5A COUNTER SENSE DA COUNTER RETURN 65 COUNTER RESET Common Functions Machine ID 0 or 1 Control Preset Sense...

Page 8: ...n the controlled device receives the PLAY command and enters Play mode it will transmit a CHANGED STATUS command ACK is not transmitted for the PLAY command Command External controller Controlled devi...

Page 9: ...for sending MECHA STATUS SENSE the new operating status can be determined This example shows how to check the record ready status of the controlled device and then initiate recording Command External...

Page 10: ...d device Command 11 12 Machine ID 0 Data none Return none READY Puts the CD player of the controlled device into the PLAY READY mode Command 14 Machine ID 0 Data 2 bytes Data 1 Data 2 Description Rema...

Page 11: ...Machine ID 0 Data none Return none AUTO CUE LEVEL PRESET Sets the Auto Cue Level of CD player of the controlled device A return command is returned only if Sense FF is specified The Auto Cue Mode sett...

Page 12: ...ds digit of minutes Data 9 Tens digit of seconds Data 10 Ones digit of seconds Data 11 0 Set to 0 Data 12 0 Set to 0 If a track number not existing on the disc is specified the controlled device will...

Page 13: ...ed the controlled device will transmit ILLEGAL F2 Return TIMER RESUME PLAY SELECT RETURN B4 PITCH CONTROL SELECT Specifies the Pitch Control mode of the CD player of the controlled device A return com...

Page 14: ...eturned If data other than the above is received the controlled device will transmit ILLEGAL F2 Return INCR PLAY SELECT RETURN BA AUTO SPACE SELECT Specifies the Auto Space Mode of the CD player of th...

Page 15: ...RETURN D0 TRACK No SENSE Requests that the current track number be returned Command 55 Machine ID 0 Data none Return TRACK No RETURN D5 DISC STATUS SENSE Requests that the presence or absence of a dis...

Page 16: ...TOTAL TRACK No TOTAL TIME RETURN DE TIME DATA This is the return command for the command TIME DATA SEND SELECT 3F It returns the total number of tracks and the total time of the disc Command 88 Machi...

Page 17: ...cription Remarks 0 0 EOM Track Off N1 N2 Number of seconds N1 Tens digit of seconds N2 Ones digit of seconds Request Preset EOM TRACK TIME PRESET 32 TIMER RESUME PLAY SELECT RETURN This is the return...

Page 18: ...NCR PLAY SELECT RETURN This is the return command for the command INCR PLAYSYNC SELECT 3A It returns the Incremental Play on off status Command BA Machine ID 0 Data 2 bytes Data 1 Data 2 Description R...

Page 19: ...LAY MODE SENSE 4E MECHA STATUS RETURN This is the return command for the command MECHA STATUS SENSE 50 It returns the current operating status of the mechanism Command D0 Machine ID 0 Data 2 bytes Dat...

Page 20: ...he track number Data 3 Thousands digit of the track number Data 4 Hundreds digit of the track number Data 5 Tens digit of the minutes Data 6 Ones digit of the minutes Data 7 Thousands digit of the min...

Page 21: ...tes Description Remarks Data 1 Tens digit of total number of tracks Data 2 Ones digit of total number of tracks Data 3 Thousands digit of total number of tracks Data 4 Hundreds digit of total number o...

Page 22: ...cassette deck of the controlled device in Forward PLAY mode or in Forward RECORD mode if it is in record ready mode Command 11 Machine ID 1 Data none Return none REVERSE PLAY Puts the cassette deck o...

Page 23: ...rolled device be returned Command 50 Machine ID 1 Data none Return MECHA STATUS RETURN D0 MEDIA STATUS SENSE Requests that the presence or absence of a media and the type of media be returned Command...

Page 24: ...a present Data 3 Data 4 Write Protect tabs 00 Forward permitted Reverse permitted 01 Forward prohibited Reverse permitted 10 Forward permitted Reverse prohibited 11 Forward prohibited Reverse prohibit...

Page 25: ...ck the content of the error Command 78 Machine ID 0 or 1 Data none Return ERROR SENSE RETURN F8 INFORMATION RETURN This is the return command in response to the command INFORMATION REQUEST 0F It retur...

Page 26: ...es that the controlled device has been powered on Command F4 Machine ID 0 or 1 Data none Request Preset none CHANGED STATUS This command indicates that the operation or mode of the controlled device h...

Page 27: ...TASCAM CD A750 RS 232C Protocol Specifications 27 TEAC Corporation 2 01 The cassette mechanism is broken Request Preset ERROR SENSE 78...