24
Basic Concepts
Section 2-1
2-1-4
Addressing I/O Memory Areas
Bit Addresses
Example: The address of bit 03 in word 0001 in the CIO Area would be as
shown below. This address is given as “CIO 000103” in this manual.
Word Addresses
Example: The address of bits 00 to 15 in word 0010 in the CIO Area would be
as shown below. This address is given as “CIO 0010” in this manual.
DM and EM Areas addresses are given with “D” or “E” prefixes, as shown
below for the address D00200.
@@@@ @@
Bit number (00 to 15)
Indicates the word address
0001 03
Bit number (03)
Word address: 0001
Word
0000
0001
0002
15
14
13
12
11
10
08
07
06
05
04
03
09
02
01
00
Bit: CIO 000103
@@@@
Indicates the word address
0010
Word address
D00200
Word address
Содержание CJ1G-CPU series
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Страница 21: ...xxii Conformance to EC Directives 6...
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Страница 383: ...Authorized Distributor Cat No W394 E1 03 Note Specifications subject to change without notice Printed in Japan...