VP-11S1 RS-232C Control
Specification : Rev.1.0
VP-11S1
RS-232C Control Specification
Category |
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Projector |
Document Version |
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1.0 |
Author(s) |
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Marantz America, Inc. |
Date |
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2006/08/10 |
Number of Page |
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8 |
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.
VP-11S1 |
RS-232C Control Specification |
Page: 2 / 12 |
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Document Version [1.0] |
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Table of Contents
1. Global Description ................................................................................................................................................ |
3 |
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1-1. |
Overview........................................................................................................................................................... |
3 |
1-2. |
Block Diagram.................................................................................................................................................. |
3 |
1-3. |
Interface connection specification of the product........................................................................................... |
3 |
1-4. |
Assumptions and Dependencies.................................................................................................................... |
3 |
2. Detailed Description.............................................................................................................................................. |
4 |
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2-1. |
Connection format ........................................................................................................................................... |
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2-1-1. |
Physical connection................................................................................................................................. |
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2-1-1-1. |
Data transmission sequence from Host to Slave .......................................................................... |
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2-1-1-2. |
Data transmission sequence from Slave to Host .......................................................................... |
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2-2. |
Transmission data format................................................................................................................................ |
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2-2-1. Transmission data format from Host to Slave........................................................................................ |
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2-2-1-1. |
Form1: Command ........................................................................................................................... |
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2-2-1-2. |
Form2: Status request..................................................................................................................... |
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2-2-2. Transmission data format from Slave to Host........................................................................................ |
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2-2-2-1. |
Form1: ACK/NAK ............................................................................................................................ |
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2-2-2-2. |
Form2: Status answer and Auto status feedback.......................................................................... |
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2-3. The transaction sequences and the regulations............................................................................................ |
6 |
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2-3-1. |
The transaction sequences..................................................................................................................... |
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2-3-2. |
The transaction regulations..................................................................................................................... |
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2-3-3. |
Specification of Auto status feedback..................................................................................................... |
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2-3-4. Example of the transactions.................................................................................................................... |
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2-3-5. Examples of the handshaking flowchart ................................................................................................ |
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2-3-5-1. |
Example of successful handshaking.............................................................................................. |
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2-3-5-2. |
Examples of handshaking error...................................................................................................... |
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3. |
Recommendations of Command, Status and Layer definition..................................................................... |
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4. |
Definitions of Command, Status and Layer...................................................................................................... |
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4-1. |
Normal Commands ......................................................................................................................................... |
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4-2. |
Status Request and Status (answer and feedback) Commands................................................................ |
10 |
5. |
Revision history................................................................................................................................................... |
12 |
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Company Restricted
VP-11S1 |
RS-232C Control Specification |
Page: 3 / 12 |
Document Version [1.0]
1. Global Description
1-1. Overview
A Host controller can control or watch out the product as a Slave very easily via the communication cable.
1-2. Block Diagram
HOST |
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SLAVE |
(Controller) |
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RS232C cable (straight) |
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(The product) |
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Connector |
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D-SUB (9pin, male) |
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*The connector on the product is D-SUB 9pin male type.
*RS232C cable has to be D-SUB 9pin female straight type for connecting the products.
1-3. Interface connection specification of the product
uP Interface |
Signal name |
Connection device |
D-Sub Pin |
Connecter |
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N.C. |
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1 |
<The product connector> |
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RS232C D-SUB (9pin,male) |
UART |
TxD (output) |
RS232C |
2 |
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Level shift driver |
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RxD (input) |
3 |
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- |
N.C. |
- |
4 |
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GND |
GND |
5 |
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N.C. |
- |
6 |
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N.C. |
- |
7 |
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N.C. |
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8 |
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N.C. |
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9 |
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1-4. Assumptions and Dependencies
Company Restricted
VP-11S1 |
RS-232C Control Specification |
Page: 4 / 12 |
Document Version [1.0]
2. Detailed Description
The interface specification between the product and a Host controller is described below.
2-1. Connection format
2-1-1. Physical connection |
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Host (Controller) |
Slave (the product) |
TxD |
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RxD |
RxD |
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TxD |
GND |
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GND |
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2-1-1-1. Data transmission sequence from Host to Slave
Host (Controller)
(Serial setting <RS232C basic>)
Baud Rate |
: 9600bps |
Data Bits |
: 8bit |
Parity |
: None |
Stop bit |
: 1bit |
Handshaking |
: None |
Slave (The product)
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.
2-1-1-2. Data transmission sequence from Slave to Host |
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Host (Controller) |
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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.
Company Restricted
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