Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario Pagina 216

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Detailed Flowcharts
Appendix D
D12
Figure D.13
SEND
Subroutine
SEND
Disable
Processor
Interrupts
Enable UART
Transmit Interrupt
UART
Transmitter
Empty
?
Yes
Disable UART
Transmit Interrupt
No
SLEEP
Suspend at
TXWAIT
Output Byte
to UART
Enable Processor
Interrupts
Return
Indivisible
Zone
Input
Link Data Byte
Common
TXW
AIT
: A Sleep V
ariable
11669
NOTE:
a Z80 S10.
This figure assumes the use of
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