Chapter 4
Digital I/O
4-6
ni.com
Mode 1 Input Timing
(NI 6016 and NI 6025E Devices Only)
Figure 4-3 and Table 4-3 show timing
specifications for an input transfer in mode 1.
Figure 4-3.
Input Transfer in Mode 1 Timing Specifications
Table 4-3.
Input Transfer in Mode 1 Timing Specifications
Name
Description
Minimum (ns)
Maximum (ns)
T1
STB* Pulse Width
100
—
T2
STB* = 0 to IBF = 1
—
150
T3
Data before STB* = 1
20
—
T4
STB* = 1 to INTR = 1
—
150
T5
Data after STB* = 1
50
—
T6
RD* = 0 to INTR = 0
—
200
T7
STB* Pulse Width
—
150
T1
T2
T4
T7
T6
T3
T5
STB*
IBF
INTR
RD*
DATA
