Maxim Integrated MAXQ Family - Manual (Page 16)

2-11
Figure 2-5. CDA Functions (Word Access Mode)
PHYSICAL DATA
x0000
x8000
x4000
DATA MEMORY
0 15
CDA1
=
0
CDA1 = 1
MAXQ20 MEMORY MAP (UPA = 0, EXECUTING FROM UTILITY ROM)
x0000
x8000
DATA MEMORY PROGRAM MEMORY
0 15
LOGICAL SPACE
MAXQ20 MEMORY MAP (UPA = 0, EXECUTING FROM LOGICAL DATA MEMORY)
LOGICAL UTILITY ROM
P2
P3
xFFFF
PHYSICAL PROGRAM
(P0)
UTILITY ROM
x0000
x8000
xA000
xFFFF
PROGRAM MEMORY
15 0
LOGICAL SPACE
PHYSICAL PROGRAM
(P1)
LOGICAL DATA
CDA1
=
1
P2
P3
PHYSICAL PROGRAM
(P0)
UTILITY ROM
CDA1 = 0
x0000
x8000
xA000
xFFFF
15 0
LOGICAL SPACE
LOGICAL DATA MEMORY
PHYSICAL PROGRAM
(P1)
MAXQ Family User’s Guide
Maxim Integrated