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Appendix C I2C Interface Management Installation and Operation Manual

C-4 Management Procedure MiTOP-E1/T1 Ver. 1.0

Read Message

C encapsulation structure:

• Includes I

C Control and Write bits in the first byte.

• Next byte contains 0x80 (as the first address).

• Next byte with the First byte of the Index (MSB).

• Next byte with the Second byte of the Index (LSB).

• Next byte contains 0x01 for a read operation.

• Byte contains 0x01 for the Length.

• MiTOP-E1/T1 gets the required data byte and stores it in address 0x84.

To read the required byte, the host sends a new I

C message with the following

structure:

• I

C Control bits and Read bits in the first byte.

• Next byte contains 0x84 (the address that the parameter is read from).

• The content of address 0x84 is delivered to the host equipment.

In the event that two or more bytes are to be read, two I

C messages are

required to read addresses 0x84, 0x85, etc.

Write Message

C encapsulation structure:

• I

C Control and Write bits in the first byte.

• Next byte is 0x80 (the first address).

• Next byte contains the first byte of the Index (MSB) parameter.

• Next byte contains the second Index byte (LSB) parameter.

• Next byte is 0x00 for a write code operation.

• Byte with content of 0x01 for the Length.

From this stage the number of writes depends on the Length field.

MiTOP-E1/T1 handles the write message only if the number of parameter bytes is

equal to the Length field.

Note

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RAD Data comm E1 Spezifikationen Seite 100