Marantz SR7400 Manuale utente

SR7400/8400 : Rev00

Marantz

RS232C Control Specification

for

SR7400/8400

Category : AV. Receiver

Document Version : 1.00

Date : 11/22/2003

Number of Page : 17

RS232C Control Spec. Page: 2 / 17

SR7400/8400 Document Version [1.00]

Table of Contents

1. Introduction ............................................................................................................................................................ 3

1-1. Purpose ............................................................................................................................................................ 3

1-2. Scope................................................................................................................................................................ 3

1-3. Abbreviations ................................................................................................................................................... 3

1-4. References....................................................................................................................................................... 3

2. Global Description ................................................................................................................................................ 3

2-1. Overview........................................................................................................................................................... 3

2-2. Block Diagram.................................................................................................................................................. 3

2-3. Interface connecter specification of This Product .......................................................................................... 3

2-4. Assumptions and Dependencies.................................................................................................................... 3

3. Detailed Description.............................................................................................................................................. 4

3-1. Connection format ........................................................................................................................................... 4

3-1-1. Physical connection................................................................................................................................. 4

3-1-1-1. Data transmission sequence from Host to Slave .......................................................................... 4

3-1-1-2. Data transmission sequence from Slave to Host .......................................................................... 4

3-2. Transmission data format................................................................................................................................ 5

3-2-1. Transmission data format from Host to Slave........................................................................................ 5

3-2-1-1. Form1: Command ........................................................................................................................... 5

3-2-1-2. Form2: Status request..................................................................................................................... 5

3-2-2. Transmission data format from Slave to Host........................................................................................ 5

3-2-2-1. Form1: ACK/NAK ............................................................................................................................ 5

3-2-2-2. Form2: Status answer ..................................................................................................................... 5

3-3. The transaction sequences and the regulations............................................................................................ 6

3-3-1. The transaction sequences..................................................................................................................... 6

3-3-2. The transaction regulations..................................................................................................................... 6

3-3-3. Example of the transactions.................................................................................................................... 6

3-3-4. Examples of the handshaking flowchart ................................................................................................ 7

3-3-4-1. Example of successful handshaking.............................................................................................. 7

3-3-4-2. Example of error handshaking........................................................................................................ 7

3-4. Command list ................................................................................................................................................... 8

3-4-1. Normal Command list.............................................................................................................................. 8

3-5. Status request and Status answer list...........................................................................................................13

3-5-1. Normal Status request and Status answer list .....................................................................................13

4. Revision history................................................................................................................................................... 17

RS232C Control Spec. Page: 3 / 17

SR7400/8400 Document Version [1.00]

1. Introduction

1-1. Purpose

This document was written in order to clarify specification for control this product by the host controller.

1-2. Scope

This document would be using by software or hardware engineers for production of this product.

This product is [marantz SR6400/SR5400]. (It’s refered to as “This product” after this.)

1-3. Abbreviations

Abbreviation Description

1-4. References

2. Global Description

2-1. Overview

A Host controller can control or watch out This product as a Slave very easily via the communication cable.

2-2. Block Diagram

2-3. Interface connecter specification of This Product

Processor Interface Signal name Connection device D-Sub Pin Connecter

- N.C. - 1

TxD (output) 2UAR

RxD (input)

RS232C Level shift driver

- N.C. 4

- GND 5

- N.C.

CTS (input) 7GENERAL POR

RTS (output)

RS232C Level shift driver

- N.C. - 9

RS232C

D-SUB

(9pin,male)

2-4. Assumptions and Dependencies

HOST

(Controller)

SLAVE

(This product)

RS232C cable (straight)

Connector

D-SUB (9pin, male)

RS232C Control Spec. Page: 4 / 17

SR7400/8400 Document Version [1.00]

3. Detailed Description

The interface specification between This product and a Host controller is described below.

3-1. Connection format

3-1-1. Physical connection

Host (Controller) Slave (This product)

(Serialsetting<RS232Cbasic>)

Baud Rate : 9600bps

DataBits :8bit

Parity :None

Stopbit :1bit

Handshaking :(RTS/CTS)

3-1-1-1. Data transmission sequence from Host to Slave

Host (Controller) Slave (This product)

RTS → CTS

CTS ← RTS

TxD → RxD

RxD ← TxD

1. The host checks that CTS is High, then starts a data transmission from TxD.

2. The host performs the data transmission of the number of required bytes, and ends a transmission.

* The host can do RTS to Low during the transmission for disable data transmission from a slave.

3-1-1-2. Data transmission sequence from Slave to Host

Host (Controller) Slave (This product)

RTS → CTS

CTS ← RTS

TxD → RxD

RxD ← TxD

1. The slave checks that CTS is High, then starts a data transmission from TxD.

2. The slave performs the data transmission of the number of required bytes, and ends a transmission.

* The slave can do RTS to Low during the transmission for disable data transmission from a host.

RTS

CTS

TxD

RxD

GND

CTS

RTS

RxD

TxD

GND

RS232C Control Spec. Page: 5 / 17

SR7400/8400 Document Version [1.00]

3-2. Transmission data format

3-2-1. Transmission data format from Host to Slave

There are two kinds of transmission data form from Host shown below.

3-2-1-1. Form1: Command

Command is a data that requests some status change.

Start character : ’@’

ID : ‘0’ ~ ‘9’ (A Slave has own ID, A Host has to set the ID.)

COMMAND : see “Command list”

End character : 0Dh

End

0Dh

COMMAND

Start

‘@’

3-2-1-2. Form2: Status request

Status request is a data that requests a answer of some status.

Start character : ’@’

ID : ‘0’ ~ ‘9’ (A Slave has own ID, A Host has to set the ID.)

Request character : ‘?’

Request status : see “Status request list”

End character : 0Dh

End

0Dh

Request status

Start

‘@’

‘?’

3-2-2. Transmission data format from Slave to Host

There are two kinds of transmission data form from Slave shown below.

3-2-2-1. Form1: ACK/NAK

ACK is a reply data from Slave when Slave got an acceptable command data from Host.

ACK : 06h

NAK is a reply data from Slave when Slave got an incorrect Command data, Status request data or

some other data from Host.

NAK : 15h

3-2-2-2. Form2: Status answer

Status answers are reply data when Slave got an acceptable Request status data from Host.

Start character : ’@’

ID : ‘0’ ~ ‘9’ (A Slave will set own ID.)

Answer character : see “Status answer list”

End character : 0Dh

End

0Dh

Status answer

Start

‘@’

ACK

06h

NAK

15h

RS232C Control Spec. Page: 6 / 17

SR7400/8400 Document Version [1.00]

3-3. The transaction sequences and the regulations

3-3-1. The transaction sequences

The transactions have two kinds of sequence.

*A transaction is a Command from Host then the Slave will be an answer by ACK or NAK.

*A transaction is a Status request from Host then the Slave will be an answer by Status answer.

3-3-2. The transaction regulations

The transactions have some kinds of regulation.

* A Command or a Status request transmission by the Host has to finish within one second.

* An answer (ACK, NAK or Status answer) transmittion by the Slave has to finish within one second

when got a Command or a Status request from the Host.

* The Host must not transmit an another Command or Status request until "it receives a answer by a

previous Command or Status request" or "it passes one second from a finishing of previous transmission

of a Command or a Status request ".

3-3-3. Example of the transactions

RTS CTS

CTS RTS

TxD RxD

RxD TxD

Example of the transactions

max. 1sec

Max. 1sec

a transaction a transaction

Command

ACK/NAK

Status request

Status answer

max. 1sec

RS232C Control Spec. Page: 7 / 17

SR7400/8400 Document Version [1.00]

3-3-4. Examples of the handshaking flowchart

3-3-4-1. Example of successful handshaking

SLAVEHOST

Com m and

acce

table

Request

acce

table

Com m and

ACK

Status

request

Status

answer

3-3-4-2. Example of error handshaking

SLAVEHOST

Com m and

in c o rre c t

Request

incorrect

Com m and

NAK

Status

request

NAK

RS232C Control Spec. Page: 8 / 17

SR7400/8400 Document Version [1.00]

3-4. Command list

3-4-1. Normal Command list

(Samples indicated the ID set to as ‘1’.)

Command Character Sample

POWER ON AA "@1AA”,0x0D

POWER OFF AB "@1AB",0x0D

POWER

POWER(Toggle) AC "@1AC",0x0D

DSS CA "@1CA",0x0D

TV CB "@1CB",0x0D

DVD CD "@1CD",0x0D

VCR1 CE "@1CE",0x0D

AUX1 CG "@1CG",0x0D

AUX2 CH "@1CH”,0x0D

CD CJ "@1CJ",0x0D

TAPE CK "@1CK",0x0D

CD-R CL "@1CL",0x0D

FM CN "@1CN",0x0D

AM(MW) CO "@1CO”,0x0D

INPUT SELECT

TUNER CQ "@1CQ",0x0D

MULTI-CHANNEL INPUT ON CS "@1CS",0x0D

MULTI-CHANNEL MULTI-CHANNEL INPUT OFF CT "@1CT,0x0D

A/D DIG AUTO DA "@1DA",0x0D

A/D DIG FIX DB "@1DB",0x0D

INPUT SIGNAL

A/D ANA DC "@1DC",0x0D

VOLUME UP EA "@1EA",0x0D

VOLUME DOWN EB "@1EB",0x0D

VOLMUE UP FAST EC "@1EC",0x0D

VOLUME

VOLUME DOWN FAST ED "@1ED",0x0D

BASS UP FA "@1FA",0x0D

BASS DOWN FB "@1FB",0x0D

TREBLE UP FC "@1FC",0x0D

TONE

TREBLE DOWN FD "@1FD",0x0D

MUTE OFF GA "@1GA",0x0D

AUDIO MUTE MUTE ON GB "@1GB",0x0D

VIDEO MUTE OFF HA "@1HA",0x0D

VIDEO MUTE VIDEO MUTE ON HB "@1HB",0x0D

ATT OFF IA "@1IA",0x0D

ATT ATT ON IB "@1IB",0x0D

SPEAKER A OFF SPEAKER A OFF JA "@1JA",0x0D

SPEAKER A ON SPEAKER A ON JB "@1JB",0x0D

SPEAKER B OFF SPEAKER B OFF KA "@1KA",0x0D

SPEAKER B ON SPEAKER B ON KB "@1KB",0x0D

SLEEP OFF LA "@1LA",0x0D

SLEEP 10min LB "@1LB",0x0D

SLEEP 20min LC "@1LC",0x0D

SLEEP 30min LD "@1LD",0x0D

SLEEP 40min LE "@1LE",0x0D

SLEEP 50min LF "@1LF",0x0D

SLEEP 60min LG "@1LG",0x0D

SLEEP 70min LH "@1LH",0x0D

SLEEP 80min LI "@1LI”,0x0D

SLEEP MODE

SLEEP 90min LJ "@1LJ",0x0D

DISP DISP (Toggle) MA "@1MA",0x0D

OSD OFF NA "@1NA",0x0D

OSD OSD ON NB "@1NB",0x0D

RS232C Control Spec. Page: 9 / 17

SR7400/8400 Document Version [1.00]

MENU OFF ZA "@1ZA",0x0D

MENU MENU (OK) ZB "@1ZB",0x0D

CURSOL UP ZC "@1ZC",0x0D

CURSOL DOWN ZD "@1ZD",0x0D

CURSOL LEFT ZE "@1ZE",0x0D

CURSOL

CURSOL RIGHT ZF "@1ZF",0x0D

FREQ. UP PB "@1PB",0x0D

FREQ. DOWN PC "@1PC",0x0D

AUTO UP START/STOP PD "@1PD",0x0D

TUNER FREQUENCY

AUTO DOWN START/STOP PE "@1PE",0x0D

PRESET INFO. QA "@1QA",0x0D

P-SCAN QB "@1QB",0x0D

PRESET UP QC "@1QC",0x0D

TUNER PRESET

PRESET DOWN QD "@1QD",0x0D

F-DIRECT OFF RA "@1RA",0x0D

F-DIRECT F-DIRECT ON RB "@1RB",0x0D

STEREO RC "@1RC",0x0D

TUNER MODE MONO RD "@1RD",0x0D

CLR RE "@1RE",0x0D

MEMO/CLR MEMO RF "@1RF",0x0D

DIRECT KEY 0 SA "@1SA",0x0D

DIRECT KEY 1 SB "@1SB",0X0D

DIRECT KEY 2 SC "@1SC",0x0D

DIRECT KEY 3 SD "@1SD",0x0D

DIRECT KEY 4 SE "@1SE",0x0D

DIRECT KEY 5 SF "@1SF",0x0D

DIRECT KEY 6 SG "@1SG",0x0D

DIRECT KEY 7 SH "@1SH”,0x0D

DIRECT KEY 8 SI "@1SI",0x0D

DIRECT KEY

DIRECT KEY 9 SJ "@1SJ",0x0D

RDS DISP MODE TA "@1TA",0x0D

RDS RDS PTY TB "@1TB",0x0D

AUTO U0 "@1U0",0x0D

DOLBY U6 "@1U6",0x0D

DD+PLⅡx MOVIE U7 "@1U7”,0x0D

DD+PLⅡx MUSIC U8 "@1U8”,0x0D

AAC+PLⅡx MOVIE U9 "@1U9”,0x0D

AAC+PLⅡx MUSIC UA "@1UA”,0x0D

DOLBY PLⅡx MOVIE UB "@1UB”,0x0D

DOLBY PLⅡx MUSIC UC "@1UC”,0x0D

DOLBY PLⅡx GAME UD "@1UD”,0x0D

DOLBY PLⅡMOVIE UE "@1UE”,0x0D

DOLBY PLⅡMUSIC UF "@1UF”,0x0D

DOLBY PLⅡGAME UG "@1UG”,0x0D

DOLBY PROLOGIC UH "@1UH",0x0D

EX/ES UI "@1UI",0x0D

VIRTUAL6.1 UJ "@1UJ",0x0D

DOLBY DIGITAL EX UK "@1UK",0x0D

DTS ES UL "@1UL",0x0D

NEO6 CINEMA UO "@1UO",0x0D

NEO6 MUSIC UP "@1UP",0x0D

Mch-STEREO UQ "@1UQ",0x0D

CSⅡCINEMA UR "@1UR",0x0D

CSⅡMUSIC US "@1US",0x0D

CSⅡMONO UT "@1UT",0x0D

SURROUND MODE

VIRTUAL Uc "@1Uc",0x0D

RS232C Control Spec. Page: 10 / 17

SR7400/8400 Document Version [1.00]

STEREO Ud "@1Ud",0x0D

DTS-MODE UV "@1UV",0x0D

SRS-MODE UW "@1UW",0x0D

SOURCE DIRECT UX "@1UX",0x0D

SURR. MODE NEXT UY “@1UY”,0x0D

SURR. MODE PREV UZ “@1UZ”,0x0D

TEST TONE TEST TONE OFF VA "@1VA",0x0D

TEST TONE ON VB "@1VB",0x0D

NIGHT OFF WA "@1WA",0x0D

NIGHT NIGHT ON WB "@1WB",0x0D

RE-EQ ON XA "@1XA”,0x0D

RE-EQ (HT-EQ) RE-EQ OFF XB "@1XB,0x0D

MAIN+SUB YGA "@1YGA",0x0D

MAIN YGB "@1YGB",0x0D

BILINGUAL

SUB YGC "@1YGC",0x0D

DC TRG ON YJA "@1YJA",0x0D

REMOTE DC TREGGER DC TRG OFF YJB "@1YJB",0x0D

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