Omega Vehicle Security OME-PIO-D56 - Manual (Page 12)

2.3.3 DO Port Architecture (CON1)
When the PC is powered up, all DO port (CON1) operations are disabled. The
RESET\ signal controls the enable/disable signal for the DI port. Refer to Sec. 3.3.1
for more information about the RESET\ signal.
• The RESET\ is in Low-state Æ all DO operations are disabled
• The RESET\ is in High-state Æ all DO operations are enabled
The power-up states are as follows:
• All DO operations are disabled
• All output latches are cleared to Low-Level
D/O buffer CKT
Clock input
input Latch
Data
RESET\
CON1
clear
OME-PIO-D56/PIO-D24 User Manual (Ver.2.1, Oct/2003, PPH-005-21) ---- 10