National Instruments 3.21E+04 用户手册

Chapter 4 Signal Connections

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National Instruments Corporation

4-55

AT-MIO/AI E Series User Manual

Mode 1 Input Timing

The following are the timing specifications for an input transfer in
Mode 1:

Figure 4-38. Mode 1 Input Timing

Name

Description

Minimum

Maximum

STB* Pulse Width

100

–

STB* = 0 to IBF = 1

–

150

Data before STB* = 1

–

STB* = 1 to INTR = 1

–

150

Data after STB* = 1

–

RD* = 0 to INTR = 0

–

200

RD* = 1 to IBF = 0

–

150

All timing values are in nanoseconds.

DATA

RD *

INTR

IBF

STB *