Network Card User Manual

Chapter 4 Connecting Signals
AT E Series User Manual 4-52 ni.com
Mode 1 Input Timing
Figure 4-38 details the timing specifications for an input transfer in
Mode 1.
Figure 4-38. Mode 1 Input Timing
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