Addressing I/O Memory Areas - Omron CS1G/H-CPUxx-EV1 Programming Manual

Basic Concepts
2-1-4

Addressing I/O Memory Areas

Bit Addresses
Word
0000
0001
0002
Word Addresses
24
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.
15 14 13 12 11
@@@@
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
10 09 08 07 06
Indicates the word address
0010
Word address
D00200
Word address
Section 2-1
Bit: CIO 000103
05 04 03 02 01 00