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Chapter 3 Connecting the Signals
© National Instruments Corporation 3-19 DAQCard-1200 User Manual
Mode 1 Input Timing
Figure 3-9 shows the timing specifications for an input transfer in mode 1.
Figure 3-9. Mode 1 Timing Specifications for Input Transfers
Name Description Minimum Maximum
T1 STB* pulse width 100 —
T2 STB* = 0 to IBF = 1 — 150
T3 Data before STB* = 1 20 —
T4 STB*=1toINTR=1 — 150
T5 Data after STB* = 1 50 —
T6 RD*=0toINTR=0 — 200
T7 RD*=1toIBF=0 — 150
All timing values are in nanoseconds.
DATA
RD *
INTR
IBF
STB *
T1
T2 T4
T7
T6
T3 T5