AR# 3908: LogiBLOX - The legal ranges reported by LogiBLOX for base 2 and base 4 numbers are incorrect.
AR# 3908
LogiBLOX - The legal ranges reported by LogiBLOX for base 2 and base 4 numbers are incorrect.
描述
Keywords: base 2, base 4, legal range
Urgency: Standard
General Description: The legal ranges flagged by LogiBLOX DRC for base 2 and base 4 values of 2-bit wide buswidth for LogiBLOX CONSTANT, COMPARATOR and COUNTER modules are incorrectly specified. An extra "0" is prefixed to the range values.
For base 2 numbers, the legal range of values is specified as "-2#010# to 2#011#" (should be -2#10# to 2#11#), and for base 4 numbers, the legal range is specified as -4#02# to 4#03# (should be -4#2# to 4#3#).
解决方案
This is a known problem which could not be fixed in the M1.5 timeframe. The extra "0" can be ignored.