
5. Using the Memory Address Map
50
CNT16-8(FIT)GY,
CNT16-8L(FIT)GY
Basic I/O Data Area
The basic Input data area, which is a 128-byte (80h) area beginning with address 304000h and
corresponding to a given Device ID
The starting address can be determined according to the following expression:
Starting address = 3 80h x (Device ID)
Table 5.9. Basic Input Data area
Address(h) Area
Item
Size
Access
type
Starting 00
CH0
Counter value
2
R
Starting 02
CH1
Counter value
2
R
Starting 04
CH2
Counter value
2
R
Starting 06
CH3
Counter value
2
R
Starting 08
CH4
Counter value
2
R
Starting 0A
CH5
Counter value
2
R
Starting 0C
CH6
Counter value
2
R
Starting 0E
CH7
Counter value
2
R
Starting 10
- Starting 7F
Reserved
112
R
Digital input value
The preset counter value is stored as a little endian value.
Table 5.10. Digital Input Values
D7 D6 D5 D4 D3
D2
D1
D0
+00h A7 A6 A5 A4 A3
A2
A1
A0
+01h A15 A14 A13 A12 A11
A10
A9
A8