Protocol Specs

Revision1.40 DCM390 Serial Interface Specification
Date 24.May.’07 11 page of 40
D&M
2.3 List of command codes
Following table is command code list.
3Xh:Command related to the acquisition of player information (such as status and name)
4Xh~5Xh:Operation instruction command to the player
No. Command Code(ASCII) Operation
1 Reset 0x20(‘SP’) Reset the device.
2 Request PLAY Status 0x30(‘0’) Request CD player status.
3 Request CPU Version 0x31(‘1’) Request the CPU revision code.
4 Request Error Code 0x32(‘2’) Request the error code.
5 Request Disc Status 0x33(‘3’) Disk number information is obtained.
6 Request Program Table 0x34(‘4’) Request Program Num Table.
7 Request CD TOC 0x35(‘5’) Request CD’s TOC data
8 Request TEXT Data 0x36(‘6’) Request CD/MP3/WMA-Text data
9 Play 0x40(‘@’) Start playback or recording.
10 Stop 0x41(‘A’) Stop playback or recording.
11 Pause 0x42(‘B’) Playback Pause.
12 Skip 0x43(‘C’) Skip to the other track.
13 Search 0x44(‘D’) Search with audible.
14 Open/Close 0x45(‘E’) Disc tray Open/Close
15 Program / Direct 0x46(‘F’) Select Program or Direct mode.
16 Track Num Entry 0x47(‘G’) Select the music track (search or program).
17 Random 0x48(‘H’) Random play back
18 A-B 0x49(‘I’) Assignment A and B point.
19 Time 0x4A(‘J’)
20 Repeat 0x4B(‘K’) Repeat 1track/1disc/all disc.
21 Disc Select 0x4C(‘L’) Disc search.
22 Disc Skip 0x4D(‘M’) Skip to another Disc.
23
Power ON
0x4E(‘N’)
Power ON from the Stand-by status
24
Power OFF
0x4F(‘O’)
Power OFF
Table 2. Command list
2.4 List of answer codes
No. Status Code (ASCII) Description
1 Command OK 0x20(SP) Received the command correctly.
2 Invalid 0x30(‘0’) Received invalid command or parameter.
3 Format Error 0x31(‘1’) Received inappropriate format command.
4 None track requested 0x32(‘2’) Requested track does not exit.
5 None time requested 0x33(‘3’) Requested time does not exit.
6 Condition Error 0x34(‘4’) Condition error occurs.
7 None Disc requested 0x35(‘5’) Requested disc does not exit.
Table 3. Answer code list