Computer Hardware User Manual

Chapter 4 Signal Connections
AT-MIO/AI E Series User Manual 4-56  National Instruments Corporation
Mode 1 Output Timing
The following are the timing specifications for an output transfer in
Mode 1:
Figure 4-39. Mode 1 Output Timing
Name
Description Minimum Maximum
T1
WR* = 0 to INTR = 0 – 250
T2 WR* = 1 to Output – 200
T3 WR* = 1 to OBF* = 0 – 150
T4 ACK* = 0 to OBF* = 1 – 150
T5 ACK* Pulse Width 100 –
T6 ACK* = 1 to INTR = 1 – 150
All timing values are in nanoseconds.
WR*
OBF*
INTR
ACK*
DATA
T1
T2
T3
T4
T5
T6