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2.0 Features of the S-LINK

2.1 Features common to simplex and duplex versions

1. Control/Data bit: All words transmitted are accompanied by an additional bit which enables the user to mark any word and thus identify the word with a private meaning (e.g. block_address, event_header, end_of_block etc.).

2. Error Reporting: An S-LINK detects transmission errors and reports these using the LDERR# line. In addition, the data error LED is illuminated and held until reset.

3. Variable Data Width: An S-LINK may be built with a data width of 8-bit, 16-bit or 32-bit or the width may be switchable with different widths having the same data transfer rate. The data width and possibility of switching will be defined in the S-LINK Data Sheet.

4. Test Function: The LSC and LDC can be switched to a test mode where the LSC transmits a fixed pattern which the LDC verifies. If any data errors are detected, the LDC illuminates the data error LED. The test pattern can be transferred to the ROMB by the LDC if desired.

5. Reset Function: A hard reset function is provided on both the LSC and the LDC.

The S-LINK Interface Specification - 27 MARCH 1997
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