DV4001/DV6001/VC6001
RS-232C Control Specification
Page: 2 / 14
Document Version [1.0]
Company Restricted
Table of Contents
1.
Introduction............................................................................................................................................................ 3
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
5-1.
Regular Commands ........................................................................................................................................ 9
5-2.
Request Commands .....................................................................................................................................12
6.
Revision history...................................................................................................................................................14