Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
A-8
Table A-3 defines the abbreviations used in Table A-4 to describe the pin states.

Table A-3. Pin State Abbreviations

Abbreviation Description
1 Output driven to VCC
0 Output driven to VSS
Z Output floats
Q Output remains active
X Output retains current state
WH Pin floats and ha s a temporary weak
pull-up
WL Pin floats an d has a temporary we ak
pull-down