Detailed Control Output Signal Circuit; What Is The Control Signal - Contec DIO-32DM3-PE User Manual

Detailed Control Output Signal Circuit

Control signals to be output include handshake output signals.
SN74LVT245B
or equivalent
Figure 3.5. Control signal output circuit

What is the Control Signal ?

External clock signal (EXTCLK0/EXTCLK1)
These signals input external pacer clocks. The maximum frequency is 20MHz.
When the external clock input is set as the clock source, pattern input or output occurs at the falling
edge of this signal.
EXTCLK0
EXTCLK1
tPWH
tPWH : Clock pulse high width 25ns (Min.)
tPWL : Clock pulse low width 25ns (Min.)
Figure 3.6. External clock signal
DIO-32DM3-PE
Board
EXTACK0
EXTREQ1
Output pin
GND
tPWL
External circuit
5V TTL IC or LVTTL IC
GND
3. External Connection
35