National Instruments DIO 6533 사용자 설명서
Chapter 5
Signal Timing
DIO 6533 User Manual
5-20
© National Instruments Corporation
Figure 5-17. Long-Pulse Mode Output
Long-Pulse Mode Timing Specifications
and
Wait
For
Data
Wait
For
REQ
Programmable
Delay
Programmable
Delay
Wait
For
REQ
When REQ
Asserted
When 6533 Device
Has Data to Output,
Output Data*
Clear
ACK
Pulse
When REQ
Unasserted
Unasserted
Initial State
ACK Cleared
Send
ACK Pulse
* With REQ-edge latching enabled, the data written is
delayed until the next inactive-going REQ edge.