Assertion And Negation Conventions; Data And Address Size Deþnitions - Motorola MVME167 Series Installation Manual

Assertion and Negation Conventions

Assertion and negation are used to specify forcing a signal to a
particular state. These terms are used independently of the voltage
level (high or low) that they represent.
Assertion and assert
Negation and negate
Data and Address Size Definitions
Data and address sizes are defined as follows:
Name
Byte
Two-byte
Four-byte
Terminology, Conventions, and Definitions Used in this Manual
Term
The signal is active or true.
The signal is inactive or false.
Size Numbered
8 bits 0 through 7
16 bits 0 through 15
32 bits 0 through 31
Indicates
SigniÞcance Called
bit 0 is the
least byte
signiÞcant
bit 0 is the
least word
signiÞcant
bit 0 is the
longword
least
signiÞcant
1
1-3