Marantz SR8300 Introduction, Global Description, Purpose, Scope, Abbreviations, References, Page

RS232C Control Spec	Page: 3 / 16
SR9300/8300	Document Version [2.00]

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 SR9300/SR8300/PS9200V2]. (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

HOST

(Controller)

RS232C cable (straight)

SLAVE

(This product)

Connector D-SUB (9pin, male)

2-3. Interface connecter specification of This Product

Processor Interface	Signal name	Connection device	D-Sub Pin	Connecter
-	N.C.	-	1	RS232C
				D-SUB
UART	TxD (output)	RS232C Level shift driver	2
				(9pin,male)
	RxD (input)		3
-	N.C.	-	4
-	GND		5
-	N.C.		6
GENERAL PORT	CTS (input)	RS232C Level shift driver	7
	RTS (output)		8
-	N.C.	-	9

2-4. Assumptions and Dependencies