RFID Communications
6.5.22 ABxF Command 95H: SN Block Read
DESCRIPTION
Command 95H reads a block of data from a specified RFID tag.
DISCUSSION
This command is used to read segments of data from contiguous areas of tag memory. It handles up to
1 kByte of data transferred to the host with one command. The timeout value is given in 1 msec increments and can have a value of 1EH to FFFEH (65,534 ms). When the timeout is set to 0, the controller returns a syntax error. The SN Block Read consists of Family ID, serial number, a start address, and length followed by a timeout value. The
Field | Content |
Header | 0202H |
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Command Size | Command length in bytes excluding the header, command size, checksum, and terminator bytes. |
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Command | 95H |
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Family Code | Ignored byte, set to 00H |
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Reserved | Ignored byte, set to 00H |
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Start Address | |
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Number of Bytes | |
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Timeout | Timeout value given in 1 ms units |
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Serial Number | Serial number of the tag to be addressed |
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Checksum | Optional checksum |
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Message Terminator | 03H |
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119 | LRP2000 Passive Reader/Writer |