Mode 1 Input Timing - National Instruments DAQPad-6508 User Manual

Mode 1 Input Timing

STB *
IBF
INTR
RD *
DATA
Name
T1
T2
T3
T4
T5
T6
T7
All timing values are in nanoseconds.
© National Instruments Corporation
The following figure illustrates the timing specifications for an input
transfer in mode 1.
T1
T2
T3
Description
STB* pulse width
STB* = 0 to IBF = 1
Data before STB* = 1
STB* = 1 to INTR = 1
Data after STB* = 1
RD* = 0 to INTR = 0
RD* = 1 to IBF = 0
T4
T6
T5
Minimum
3-13
Chapter 3 Signal Connections
T7
Maximum
100 —
— 150
20 —
— 150
50 —
— 200
— 150
DAQPad-6507/6508 User Manual