Access from the user program
KL6001
27
Version: 3.0.0
Conditions
I/O offset
High byte
Low byte
Full evaluation: yes
Motorola format: yes
Word alignment: no
3
2
D1
D2
1
-
Ser-CT/ST
0
D0
CT/ST
Default for: Lightbus and Bus Terminal Controller (BCxxxx)
Conditions
I/O offset
High byte
Low byte
Full evaluation: yes
Motorola format: no
Word alignment: yes
3
D2
D1
2
-
-
1
D0
Ser-CT/ST
0
-
CT/ST
Conditions
I/O offset
High byte
Low byte
Full evaluation: yes
Motorola format: yes
Word alignment: yes
3
D1
D2
2
-
-
1
Ser-CT/ST
D0
0
-
CT/ST
Key
Complete evaluation
The terminal is mapped with control and status byte.
Motorola format
Motorola or Intel format can be set.
Word alignment
The terminal is positioned on a word limit in the Bus Coupler.
CT
Control byte (appears in the process image of the outputs).
ST
Status byte (appears in the process image of the inputs).
Ser.-CT
Control byte for the handshake (appears in the process image of the outputs).
Ser. ST
Status byte for the handshake (appears in the process image of the inputs).
D0-D4
Data byte 0 - 4
“-“
This byte is not used or occupied by the terminal.