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Appendix E
ASCII Unit Memory Map
137
Communication Flags
Address
$0015
START
/
STOP
____
____
CTS1
DSR2
DSR1
BAT
LOW
1
IRQ2
IRQ1
___
___
___
___
___
7
6
5
4
3
2
1
0
Port for interrupts from ACIA and PTM
Port for interrupts from START/STOP
switch and PC
0 when START/STOP switch is ON
Normally 1
1 when battery voltage drops
Port 1 DSR signal, active low
Port 2 DSR signal, active low
Port 1 CTS signal, active low
Communication Input Flags
Address
$0003
BANK2 BANK1 WDREF
DTR2
DTR1
___
___
7
6
5
4
3
2
1
0
TXD1
RXD1
RTS1
___
Port 1 DTR signal, active low
Port 2 DTR signal, active low
1 RTS signal, active low
1 receive data
Port 1 transfer data
Watchdog timer refresh port
Bank ports (Do not change
these ports.)
Communication Output Flags
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 ...