Sony RS-232C user manual

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Sony Amplifier/Receiver

RS-232C Control Protocol Specification

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1.Introduction This specification describes the RS232C communication protocol between an Amplifier and a Host Controller. 2. Outline From the system controller, a command is transmitted to the Amplifier from the Host Controller, and the Amplifier / Receiver. A received command changes an internal state according to the contents of the message, or answers the Host Controllers requested Status. 3. Communication format It is Based on RS-232C format. B

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As an exception, ACK 0xFD H NACK 0xFE H are defined as a 1byte reply message from Amplifier, and it is used when the value of CMD in the command transmitted from Host Controller is 0x00 to 0x7f. If a reply from the Amplifier is other than ACK/NACK It assumes that a request is answered in the form of the specified protocol and the details are the specifications of each category. When a command cannot be executed, or when there is no function to a co

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Product Code List

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Sony Amplifier/Receiver Amp Category RS-232C Control Protocol Specification

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AMP Command List (0xA0**)

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Amp Status List (0xA8**)

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Amplifier answers ACK/NACK to the following Command.

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Category 0xa0 CODE: 0x82 StatusReq function: format: Contents Length Operand Category 0xa8 CODE: 0x82 Status_Data function: format: Contents Length Operand

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Category 0xa0 CODE: 0x92 VolumeStatusReq function: format: Contents Length Operand Category 0xa8 CODE: 0x92 VolumeStatusData function: format: Contents Length Operand

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Category 0xa0 CODE: 0x42 InputSelect function: format: Contents Operand Length

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Category 0xa0 CODE: 0x53 MuteSet function: format: Contents Length Operand

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Category 0xa0 CODE: 0x60 PowerSet function: format: Contents Length Operand

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Category 0xa0 CODE: 0x52 VolumeSet function: format: Contents Length Operand

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Category 0xa0 CODE: 0x43 12V Trigger function: format: Contents Operand Length

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Invalid 32766 32765 256 2 1 0 -1 -2 … -256 … -32766 -32767 Reserved 8

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Category 0xa8 CODE: 0x0e No-Executable function: format: Category 0xa8 CODE: 0x0f No-Function function: format:

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Sony Amplifier/Receiver Sound Adaptor Category RS-232C Control Protocol Specification

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SOUND Adaptor Command List (0xA3**)

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Sound Adaptor Status List (0xAB**)