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3.0 Definitions
3.3 Signal Names
All signal names are printed in capital letters. Signals are defined as inputs or outputs to or from the S-LINK as follows:
- Signals which are generated by the user are prefixed with the letter "U", e.g. UD0, UWEN# etc. These signals are inputs to the S-LINK.
- Signals which are generated by the S-LINK are prefixed with the letter "L", e.g. LD0, LWEN# etc. These signals are outputs from the S-LINK.
- All signals which have an active state are active when low and inactive when high. Such signal names are terminated with a "#" character. Low and High refer to the signal levels which are defined electrically in Table 19 and Table 20.
Note that this convention applies in the same way at each end of the S-LINK, i.e. at the LSC and LDC.
The S-LINK Interface Specification - 27 MARCH 1997
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