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