Siemens CPU 948 User Manual

8.2.1
Memory Assignment for the
System RAM
Bit no.:
Address:
D 0000H
E 9FFFH
E A000H
E AFFFH
E B000H
E DEAFH
E DEB1H
E DF6FH
E DF7CH
E DFA1H
E E1F0H
E E1FBH
E E200H
E E400H
E E600H
E E800H
E EA00H
E EC00H
E EE00H
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
DB 0 header
DB 0
(contains the paragraph
addresses of all blocks,
i. e. address bit no. 4
to address bit no. 19)
Address list OB 0 to OB 255
Address list PB 0 to PB 255
Address list SB 0 to SB 255
Address list FB 0 to FB 255
Address list FX 0 to FX 255
Address list DB 0 to DB 255
Address list DX 0 to DX 255
ISTACK entry - 1
ISTACK (16 entries)
BSTACK (60 entries)
S flags
System program and system data
System program data
15 8 7 0
Fig. 8-2 Memory assignment for the system RAM/Part 1
Memory Assignment in the CPU 948
CPU 948 Programming Guide
8 - 6 C79000-G8576-C848-04

Siemens CPU 948 Specifications

General

Brand	Siemens
Model	CPU 948
Category	Controller
Language	English