![background image](http://html1.mh-extra.com/html/omron/sysmac-c200h-asc02/sysmac-c200h-asc02_operation-manual_742429126.webp)
PC Statements and Refresh Timing
Appendix C
120
PC WRITE @...
Data is transferred to the PC during the first I/O refresh after execution of PC WRITE @..., irrespective of the
status of the PC READ flag.
I/O refresh
Instruction execution
I/O refresh
I/O refresh
ASCII Unit
C200H CPU
Instruction execution
Instruction execution
PC WRITE @...statement
ASCII busy
(word n+3 bit 00)
WRITE
ON PC GOSUB
After the ON PC GOSUB statement is executed, the PC’s interrupt number is written in. When the Write flag is
set, the GOSUB statement is executed. Only when the WRITE flag is set will the ON PC GOSUB statement
be executed.
I/O Refresh
I/O Refresh
I/O Refresh
Instruction Execution
Instruction Execution
Instruction Execution
ASCII Unit
C200H CPU
I/O Refresh
ON PC GOSUB Statement Execution
ON PC GOSUB Statement Execution
Interrupt Number
(word n bits 04 through 07)
WRITE Flag (word n bit 01)
ASCII Unit (word n+3 bit 00)
Содержание SYSMAC C200H-ASC02
Страница 1: ...Cat No W165 E1 04 ASCII Unit SYSMAC C200H ASC02 ...
Страница 2: ...C200H ASC02 ASCII Unit Operation Manual Revised September 2002 ...
Страница 3: ...iv ...
Страница 5: ...vi ...
Страница 7: ...TABLE OF CONTENTS viii Glossary 159 Index 163 Revision History 165 ...
Страница 122: ...Appendix B Specifications 115 130 35 100 5 ...
Страница 167: ...Cat No W165 E1 04 Note Specifications subject to change without notice Printed in Japan Authorized Distributor ...
Страница 168: ...Cat No W165 E1 04 C200H ASC02 ASCII Unit OPERATION MANUAL ...