Marantz IS-201-RS-232C Control Specification

RS-232C Control Specification :

Rev 00

IS201

RS-232C Control Specification

Category :

Document Version :

Accessory

1.0

Author(s) :

Date : 2006/08/30

Number of Page : 11

Marantz America, Inc.

Marantz America, Inc. 2006

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of copyright.

All specifications might be subject to change without notice.

IS201 RS-232C Control Specification Page: 2 / 11

Document Version [1.0]

Table of Contents

Introduction............................................................................................................................................................ 3

1.

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

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

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

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

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

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

2-3. Interface connection specification of the 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 and Auto status feedback.......................................................................... 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. Specification of Auto status feedback ..................................................................................................... 6

3-3-4. Example of the transactions.................................................................................................................... 6

3-3-5. Examples of the handshaking flowchart ................................................................................................7

3-3-5-1. Example of successful handshaking.............................................................................................. 7

3-3-5-2. Examples of handshaking error...................................................................................................... 7

4. Recommendations of Command, Status and Layer definition..................................................................... 8

5. Commands............................................................................................................................................................. 9

6. Revision history...................................................................................................................................................11

Company Restricted

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Document Version [1.0]

1. Introduction

1-1. Purpose

This document was written as a reference specification of products that are controled by the host
controller.

1-2. Scope

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

1-3. Abbreviations

Abbreviation Description

2. Global Description

2-1. Overview

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

2-2. Block Diagram

* The product connector is using D-SUB 9pin male.

* RS232C cable must use D-SUB 9pin female to connect the products.

2-3. Interface connection specification of the product

uP Interface Signal name Connection device D-Sub Pin Connecter

UART

HOST

(Controller)

- N.C. - 1

TxD (output) 2

RxD (input)

RS232C cable (straight)

RS232C

Level shift driver

3

SLAVE

(The product)
Connector

D-SUB (9pin, male)

<The product connector>
RS232C D-SUB (9pin,Male)

- N.C. - 4

-

- N.C. - 6

- N.C. - 7

- N.C. - 8

- N.C. - 9

GND

GND 5

2-4. Assumptions and Dependencies

Company Restricted

Stereo Mini Jack (Ø3.5mm)

3

5

2

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Document Version [1.0]

3. Detailed Description

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

3-1. Connection format

3-1-1. Physical connection

Host (Controller) Slave (the product)

(Serial setting <RS232C basic>)
Baud Rate : 9600bps

TxD

Data Bits : 8bit
Parity : None

RxD

Stop bit : 1bit

Handshaking : None

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

Host (Controller) Slave (The product)

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

GND

TxD → RxD

RxD ← TxD

1. Host starts a data transmission from TxD.

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

Host (Controller) Slave (The product)

TxD → RxD

RxD ← TxD

1. Slave starts a data transmission from TxD.

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

RxD

TxD

GND

Company Restricted