Bit Assignment Of The System Data Words - Siemens CPU 948 Programming Manual

Bit Assignment of the System Data Words

8.3.5
Bit Assignment of the
System Data Words
System data RS 0
8 - 18
Input byte IB 0 Image table (external process interrupts)
Address E F000H
Table 8-3 Bits in RS 0 (image of IB 0)
Bit no. Assignment
15
14
13
Occupied by system program
12
11
10
9
8
7 Status of I 0.7
6 Status of I 0.6
5 Status of I 0.5
4 Status of I 0.4
3 Status of I 0.3
2 Status of I 0.2
1 Status of I 0.1
0 Status of I 0.0
High byte
Low byte
CPU 948 Programming Guide
C79000-G8576-C848-04