
RS232C Control Specification RS232C Control Specification Page: 2 / 14
Document Version [1.01]
Company Restricted
Table of Contents
1. Global Description ................................................................................................................................................ 3
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
2-1. Connection format ........................................................................................................................................... 4
2-1-1. Physical connection................................................................................................................................. 4
2-1-1-1. Data transmission sequence from Host to Slave .......................................................................... 4
2-1-1-2. Data transmission sequence from Slave to Host .......................................................................... 4
2-2. Transmission data format................................................................................................................................ 5
2-2-1. Transmission data format from Host to Slave........................................................................................ 5
2-2-1-1. Form1: Command ........................................................................................................................... 5
2-2-1-2. Form2: Status request ..................................................................................................................... 5
2-2-2. Transmission data format from Slave to Host........................................................................................ 5
2-2-2-1. Form1: ACK/NAK ............................................................................................................................ 5
2-2-2-2. Form2: Status answer and Auto status feedback.......................................................................... 5
2-3. The transaction sequences and the regulations............................................................................................ 6
2-3-1. The transaction sequences..................................................................................................................... 6
2-3-2. The transaction regulations..................................................................................................................... 6
2-3-3. Specification of Auto status feedback..................................................................................................... 6
2-3-4. Example of the transactions.................................................................................................................... 6
2-3-5. Examples of the handshaking flowchart ................................................................................................ 7
2-3-5-1. Example of successful handshaking.............................................................................................. 7
2-3-5-2. Examples of handshaking error...................................................................................................... 7
3. Recommendations of Command, Status and Layer definition..................................................................... 8
4. Definitions of Command, Status and Layer...................................................................................................... 9
4-1. Commands....................................................................................................................................................... 9
4-1-1. Normal Command list.............................................................................................................................. 9
4-2. Status request and Status answer list...........................................................................................................12
4-2-1. Normal Status request and Status (answer and feedback) list...........................................................12
4-2-2. Special Status request and Status answer list .....................................................................................13
4-2-3. Layer of the statuses .............................................................................................................................14
5. Revision history................................................................................................................................................... 14