Motorola MPC823e User Manual

Memory Management Unit
11-6 MPC823e REFERENCE MANUAL MOTOROLA
MEMORY MANAGEMENT
11
UNIT
Figure 11-2. Two Level Translation Table When MD_CTR(TWAM) = 1
LEVEL 2 INDEX PAGE OFFSET
LEVEL ONE TABLE POINTER
0 9 10 19 20 31
LEVEL ONE TABLE BASE LEVEL 1 INDEX 00
019
LEVEL ONE DESCRIPTOR 0
LEVEL ONE DESCRIPTOR 1
LEVEL ONE DESCRIPTOR N
LEVEL ONE DESCRIPTOR 1023
20
10
EFFECTIVE ADDRESS
LEVEL ONE TABLE
REAL ADDRESS
12 - FOR 4K
10
LEVEL 1 INDEX
20
20
LEVEL TWO TABLE BASE LEVEL 2 INDEX 00
10
14 - FOR 16K
19 - FOR 512K
23 - FOR 8M
LEVEL TWO DESCRIPTOR 0
LEVEL TWO DESCRIPTOR 1
LEVEL TWO DESCRIPTOR N
LEVEL TWO DESCRIPTOR 1023
10
LEVEL TWO TABLE
20
REAL PAGE ADDRESS PAGE OFFSET
20 - FOR 4K
18 - FOR 16K
13 - FOR 512K
9 - FOR 8M

Motorola MPC823e Specifications

General

Brand	Motorola
Model	MPC823e
Category	Computer Hardware
Language	English