APPENDIX A CPT7 Technical Specifications
CPT7 and CPT7700 Installation and Operation User Manual v12
176
A.7 CPT7 Strobe Specifications
Strobes
CPT7
Port
Input/Output
Factory
Default
Comment
EVENT_IN1
IO1
Input
Leading edge
triggered
Active low
Input marks for which a pulse greater than 150 ns
triggers certain logs to be generated. (Refer to
the MARKPOS, MARK2POS, MARK3POS,
MARK1TIME, MARK2TIME and MARK3TIME
logs and ONMARK trigger.) Polarity is
configurable using the
EVENTINCONTROL
command.
EVENT_IN2
IO2
EVENT_IN3
IO1
EVENT_OUT1
IO1
Output
Active low
Programmable variable frequency outputs
ranging from 0 Hz to 50 MHz (refer to the
EVENTOUTCONTROL
command).
Note
: By default, EVENT_OUT3 is configured as
a Pulse Per Second (PPS).
EVENT_OUT2
IO2
EVENT_OUT3
IO1
Table 34: CPT7 Strobes Description
Strobe
Sym
Min
(V)
Max
(V)
Current
(mA)
EVENT_IN1
EVENT_IN2
EVENT_IN3
V
IL
-
0.8
<±1 mA
V
IH
2.0
3.3
EVENT_OUT1
EVENT_OUT2
EVENT_OUT3
V
OL
-
0.4
±6 mA
V
OH
2.0
3.3
Table 35: CPT7 Strobe Electrical Specifications
All signal I/O are at LVCMOS levels.