CHAPTER 5. WAVEFORM DISPLAY FUNCTION
28
Projects
Specification
Interface type
BNC interface
Input level
TTL
Minimum pulse width
1
µs
Trigger delay time
Within (
1
µs
+ 3 sampling cycles)
Table 5.3: External Trigger Input Specifications
Minimum pulse width refers to the width of the high or low trigger level, at least
1
µs
.
Trigger delay time refers to the delay between the appearance of the trigger level and the response of CPU, within
(
1
µs
+ 3 sampling cycles).
