Figure 5-22 Cyclic Transmission Common Memory Area Example 2; Figure 5-23 Common Memory Area 1 And 2 - Hitachi S10mini User Manual

5 USER GUIDE
It is also possible to use only a reception area of the common memory.

Figure 5-22 Cyclic Transmission Common Memory Area Example 2

(3) Area 1 and 2
One node can allocate two data areas (Area 1 and 2) in the common memory. Transmission
area setup is performed in accordance with the area starting address and size.
For area access, a word address is used. Area 1 consists of 0.5k words and Area 2, 8k words.
Starting address
Common memory
for Node 01
(Reception)
(Reception)
Area 1
15
2 2
0
0x1ff

Figure 5-23 Common Memory Area 1 and 2

Common memory
for Node 02
(Reception)
(Transmission)
0
Starting address
Size
5-22
Common memory
for Node 05
(Transmission)
(Reception)
Area 2
15 0
2 2
0
0x1fff
Size