10.1.13.1 Decoder Functionality

The following table lists the functionalities of a Decoder.

Table 10-55. Decoder Functional Description
Data Enable Eq
X 0 0’s
m 1 decB(m)==decodes-1 &&C dec(m)==decodes-2 && … && dec(m)==0
Note:
  • Assume enable is active low and Eq is active high.

  • dec(m) defines the decimal value of m.

  • && indicates bity concatenation.