Marantz ST 7001 RS 232C Control Specification

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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

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RS232C Control Specification RS232C Control Specification Page: 3 / 14 Document Version [1.01] Company Restricted 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 * The product has D-SUB 9pin male connector. * RS232C cable has to be the Straight type . 1-3. Interface connection specification of the product uP Interface Signal name Connection device D-Sub Pin Connecter - N.C. - 1 TxD (output) 2 UAR T RxD (input) RS232C Level shift driver 3 - N.C. - 4 - GND GND 5 - N.C. - 6 - N.C. - 7 - N.C. - 8 - N.C. - 9 RS232C D-SUB (9pin,male) 1-4. Assumptions and Dependencies HOST (Controller) SLAVE (The product) RS232C cable (straight) Connector D-SUB (9pin, male)