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13
Bit Definitions Continued
I/O
Word No.
Bit
Name
Function
Output (n =
100 + 10 x
unit no.)
n + 2
00 to 12
Transfer base word
No.
These bits specify the PC base word (the first word
from which data is accessed) for data transfer.
13 to 15
PC memory
These bits specify the section of the PC memory from which
data will be transferred between the PC and ASCII Unit with
the PC READ or PC WRITE command.
Bit No.
Data Area
0
DM Area
IR Area
HR Area
AR Area
LR Area
TC Area
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
15
14
13
Input
n + 3
00
ASCII busy
This bit is used as a flag that is set during data
transfer.
(n = 100 +
10
01 to 03
---
Not used
x unit no.)
04
Port 1 error
This bit is used as an error flag that is set if a
transmission error (such as parity error) has occurred
in port 1.
05
Port 2 error
This bit is used as an error flag; it is set if a
transmission error (such as parity error) has occurred
in port 2.
06
Battery error
This bit is used as a flag that is set when the supply
voltage of the built-in battery has dropped below the
rated level or the battery is not correctly connected.
07
BASIC RUN
This flag is set while the BASIC program is running.
08
Input data
These bits constitute data that is transferred from the
ASCII Unit to the PC. The data is written to the PC with
the ASCII Unit PC PUT command and is read by the
PC with the MOV.
Note: In addition to raw data, 8-bit control data can
also be transferred to the PC to facilitate branching
within the PC program.
Data Section
Section 2-2
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 ...