National Instruments 6023E, 6024E, 6025E Mode 2 Bidirectional Timing

Chapter4 SignalConnections
©NationalInstruments Corporation 4-29 6023E/6024E/6025EUser Manual
Mode 2 Bidirectional Timing
Timing specifications for a bidirectional transfer in mode 2 are shown in
Figure 4-15.
Figure4-15. TimingSpecifications for Mode 2 Bidirectional Transfer
Name Description Minimum Maximum
T1 WR*=1toOBF*=0 —150
T2 Data before STB* = 1 20 —
T3 STB* Pulse Width 100 —
T4 STB* = 0 to IBF = 1 —150
T5 Data after STB* = 1 50 —
T6 ACK* = 0 to OBF* =1 —150
T7 ACK* Pulse Width 100 —
T8 ACK* = 0 to Output —150
T9 ACK* = 1 to Output Float 20 250
T10 RD*=1toIBF=0 —150
Alltiming values are in nanoseconds.
T1
T6
T7
T3
T4 T10
T2 T5 T8 T9
WR*
OBF*
INTR
ACK *
STB*
IBF
RD*
DATA