National Instruments 3.21E+04 用户手册

Chapter 4     Signal Connections

AT-MIO/AI E Series User Manual

4-56

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 National Instruments Corporation

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

Figure 4-39.  Mode 1 Output Timing

T1

WR* = 0 to INTR = 0

–

250

T2

WR* = 1 to Output

–

200

T3

WR* = 1 to OBF* = 0

–

150

T4

ACK* = 0 to OBF* = 1

–

150

T5

ACK* Pulse Width

100

–

T6

ACK* = 1 to INTR = 1

–

150

All timing values are in nanoseconds.

WR*

OBF*

INTR

ACK*

DATA

T1

T2

T3

T4

T5

T6