Revision1.30
DCM390 Serial Interface Specification
Date 25.Apr.’06
2 page of 40
D&M
Contents
1
Serial communication interface
............................................................................................................. 3
1.1 Physical
interface..................................................................................................................... 3
1.2 Transfer
format of serial data ................................................................................................. 4
2
Command format and answer format
..................................................................................................... 5
2.1
Protocol for data transmission and reception ......................................................................... 6
Basic procedure ............................................................................................................................... 6
Communication errors .................................................................................................................... 6
2.2 Command
/
Answer sequence .................................................................................................. 7
2.3
List of command codes ........................................................................................................... 11
2.4
List of answer codes............................................................................................................... 11
2.5 Status List.............................................................................................................................. 12
2.6 Command
specification.......................................................................................................... 13
2.6.1 RESET command ................................................................................................................. 13
2.6.2REQUEST PLAY STATUS command................................................................................... 14
2.6.3 REQUEST CPU Version command ..................................................................................... 16
2.6.4 REQUEST ERROR CODE command.................................................................................. 17
2.6.5 Request Disc status.............................................................................................................. 18
2.6.6 Request Program Table command....................................................................................... 19
2.6.7 REQUEST CD TOC command ............................................................................................ 21
2.6.8 REQUEST TEXT DATA command...................................................................................... 23
2.6.9 PLAY command .................................................................................................................... 25
2.6.8 STOP command.................................................................................................................... 26
2.6.9 CD PAUSE command........................................................................................................... 27
2.6.10 Skip command .................................................................................................................... 28
2.6.11 SEARCH command ............................................................................................................ 29
2.6.12 Open / Close Command...................................................................................................... 30
2.6.13 Program / Direct command................................................................................................ 31
2.6.14 Track Num Entry command .............................................................................................. 32
2.6.15 RANDOM command........................................................................................................... 33
2.6.16 A-B command ..................................................................................................................... 34
2.6.17 Time command ................................................................................................................... 35
2.6.18 Repeat command ................................................................................................................ 36
2.6.19 Disc Select .......................................................................................................................... 37
2.6.20 Disc skip command ............................................................................................................ 38
2.6.21 Power ON command....................................................................................................... 4038
2.6.22 Power OFF command......................................................................................................... 41