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Ver.3.09
Specification
for
Serial Interface DVD 2500BT / 3800BD
D&M Holdings Inc.
DENON Brand Company
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Ver.3.09 Contents 1 SERIAL COMMUNICATION INTERFACE ....................................................................5 1.1 PHYSICAL INTERFACE .......................................................................................................5 1.2 TRANSFER FORMAT OF SERIAL DATA...............................................................................5 1.3 COMMAND FORMAT AND ANSWER FORMAT .....................................................................6 1.4 PRO
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Ver.3.09 1.9.17 Cursor ......................................................................................................................33 1.9.18 Enter ........................................................................................................................34 1.9.19 SACD Layer Selsect................................................................................................35 1.9.20 Disc Select .........................................................................
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Ver.3.09 1 Serial communication interface Physical interface 1.1 Arrangement of connector signals RS-232C Terminal # Signal I /O 1 GND - 2 TxD O 3 RxD I 4 NC - 5 S.GROUND - 6 NC - 7 NC - 8 NC - 9 NC - Transfer format of serial data 1.2 - Interface : As per RS-232C or RS-422A - Communication system : Half-duplex communication - Data transfer mode : Start stop synchronization - Transfer rate : 9,600bps - Start bit (
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Ver.3.09 1.3 Command format and answer format This unit shall be based on commands each of which consists of a data row ( some commands are without a PC ) composed of command codes ( CC ) and parameter codes ( PC ) . The trans-mitting station shall be designed to send block check characters ( BCC ) following ETX, with the data row enclosed in STX ( text start : 02h ) and ETX ( text terminatio
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Ver.3.09 regard to the command that gives operational instructions. The time from the start of command transmission to the end of command transmission 5) should be max 40 msec. 6) The time from the completion of command transmission to the start of answer-back is MAX.60 m 5sec. 7) This unit cannot receive any commands for about 5 seconds after the power switch is turnied on. Communication errors 1.4.2 Having receive
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Ver.3.09 1.5 Command / Answer sequence Shown below are the command sequence and the answer sequence of this unit. 1) When a command is normally received ( unit ) and an answer is normally received ( host ) with an answer parameter HOST UNIT Comand Transmitted STX MIN CC 40 µ s PC0 PC1 PC2 MAX 40ms PCn ETX Error Check OK BCC MAX 5s STX RC Answer Transmietted AC PC0 PC1 PCn ETX BCC Error Check OK Next Command STX Transm
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Ver.3.09 2) When a command is abnormally received ( with or without an answer parameter ) HOST UNIT Command Transmitted STX CC PC0 PC1 PC2 MAX 40ms MAX 100ms PCn ETX Error Check NG BCC NAK NAK return Command Retransmitted STX CC PC0
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Ver.3.09 3) When a command with an answer parameter is normally received ( unit ) and an answer is abnormally received ( host ) HOST UNIT Command Transmitted STX CC PC0 PC1 PC2 MAX 40ms PCn ETX Error Check OK BCC MAX 5s STX RC Answer Transmitted AC PC0 PC1 PCn ETX Error Check NG BCC NAK MAX s 5 STX Answer RC Retransmitted AC PC0 PC1
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Ver.3.09 4) When a command with an answer parameter is normally received ( unit ) and an answer is normally received with ETB ( host ) HOST UNIT Command Transmitted STX CC PC0 PC1 PC2 MAX 40ms PCn ETX Error Check OK BCC MAX 5s STX RC Answer Transmitted AC PC0 PC1 PCn ETB Error Check OK BCC
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Ver.3.09 1.6 List of command codes Here is a list of command code types. 2Xh: POWER control command 3Xh: Command related to the acquisition of player information ( such as status and name ) 4Xh~5Xh: Operation instruction command to the player 61h~7Xh: Enhanced Operation instruction command to the player No. Command Code (ASCII) Operation 1 Power ON 20h ([SP]) Power-on request from the standby state 2 Power OFF 21h (!)
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Ver.3.09 1.7 List of answer codes No. Status Code (ASCII) Description 1 Command OK 20h (SP) Accepts the command. 2 Invalid 30h (0) Invalid command. 3 Format Error 31h (1) Inappropriate command format. The track , the group ,the title or the chapter you 4 Order Track None 32h (2) specified does not exist. 5 Order Time None 33h (3) The time you specified does not exist. List of status codes 1.8 Here is a list of answer
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Ver.3.09 1.9 Command specification • When this unit is set to be compatible with all commands and fails to accept a command ( due to a communication error, for example ) , it returns NAK ( 15h ) as an answer. 1.9.1 Power ON This requests a power-on from the standby state. On receiving this command, this unit gives a power-on instruction to all players connected by a daisy chain. byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h )
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Ver.3.09 1.9.2 Power OFF This requests a transfer from power-on to a standby state. byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Command code ( ' ! ') 2 Reserve ( 00h ) 3 Reserve ( 00h ) 4 Reserve ( 00h ) 5 Reserve ( 00h ) 6 Reserve ( 00h ) 7 ETX ( 03h ) 8 BCCH ( high-level ) 9 BCCL ( low-level ) Answers returned 1) byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Reply code ( ' ! ') 2 An
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Ver.3.09 1.9.3 Request System Status This status requests the DVD playing information . byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Command code ( ' 0 ') 2 Reserve ( 00h ) 3 Reserve ( 00h ) 4 Reserve ( 00h ) 5 Reserve ( 00h ) 6 Reserve ( 00h ) 7 ETX ( 03h ) 8 BCCH ( high-level ) 9 BCCL ( low-level ) 1) Answers returned byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Reply code ( ' 0 ') 2 An
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Ver.3.09 42h (B) 8ch
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Ver.3.09 (*5) Subtitle code (*6) Angle code (*7) Play mode code (*8) Time Mode code Code Subtitle Code Angle Code Play Mode Code Time Mode 31h (1) JPN 31h (1) 1 31h (1) NORMAL 31h (1) SINGLE ELAPSED 32h (2) ENG 32h (2) 2 32h (2) PROGRAM 32h (2) SINGLE REMAIN 33h (3) FRA 33h (3) 3 33h (3) RANDOM 33h (3) TOTAL ELAPSED 34h (4) DEU 34h (4) 4 34h (4) TOTAL REMAIN 35h (5) ITA 35h (5) 5 35h (5) CHAPTER ELAPSED
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Ver.3.09 1.9.4 Play The unit begins to play back the disc. byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Command code ( ' @ ') 2 Reserve ( 00h ) 3 Reserve ( 00h ) 4 Reserve ( 00h ) 5 Reserve ( 00h ) 6 Reserve ( 00h ) 7 ETX ( 03h ) 8 BCCH ( high-level ) 9 BCCL ( low-level ) Answers returned 1) byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Reply code ( ' @ ') 2 Answer code 3 ETX (
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Ver.3.09 1.9.5 Stop This stops playing back the disc. byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Command code ( ' A ') 2 Reserve ( 00h ) 3 Reserve ( 00h ) 4 Reserve ( 00h ) 5 Reserve ( 00h ) 6 Reserve ( 00h ) 7 ETX ( 03h ) 8 BCCH ( high-level ) 9 BCCL ( low-level ) Answers returned 1) byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Reply code ( ' A ') 2 Answer code 3 ETX ( 03h )
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Ver.3.09 1.9.6 Pause This pauses the disc. byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Command code ( ' B ') 2 Reserve ( 00h ) 3 Reserve ( 00h ) 4 Reserve ( 00h ) 5 Reserve ( 00h ) 6 Reserve ( 00h ) 7 ETX ( 03h ) 8 BCCH ( high-level ) 9 BCCL ( low-level ) Answers returned 1) byte \ bit 7 6 5 4 3 2 1 0 0 STX ( 02h ) 1 Reply code ( ' B ') 2 Answer code 3 ETX ( 03h ) 4 BCCH (
