National Instruments PCI-6023E - Manual (Page 56)

Chapter 4 Signal Connections
© National Instruments Corporation 4-27 PCI-6023E/6024E/6025E User Manual
Mode 1 Input Timing
Timing specifications for an input transfer in mode 1 are as follows:
Figure 4-13. Timing Specifications for Mode 1 Input Transfer
Name Description Minimum Maximum
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 RD* = 1 to IBF = 0 — 150
All timing values are in nanoseconds.
DATA
RD *
INTR
IBF
STB *
T1
T2 T4
T7
T6
T3 T5
PCI.book Page 27 Wednesday, September 16, 1998 9:09 AM