Maxim Integrated MAXQ622 - Manual (Page 14)

MAXQ612/MAXQ622 User’s Guide
2-10 Maxim Integrated
Figure 2-4. CDA Functions in Word Mode
PHYSICAL DATA
x0000
x8000
x4000
DATA MEMORY
0 15
0 15
WORD MODE MEMORY MAP (UPA = 0, EXECUTING FROM UTILITY ROM)
x0000
x8000
WORD MODE MEMORY MAP (UPA = 0, EXECUTING FROM PHYSICAL DATA MEMORY)
LOGICAL UTILITY ROM
xFFFF
PHYSICAL PROGRAM
(P0)
UTILITY ROM
x0000
CDA1 = 1
CDA1 = 0
CDA1 = 1
x8000
xA000
xFFFF
PROGRAM MEMORY
DATA MEMORY PROGRAM MEMORY
15 0
15 0
P3
P2
P3
P2
LOGICAL SPACE
LOGICAL SPACE
LOGICAL DATA MEMORY
LOGICAL SPACE
PHYSICAL PROGRAM
(P1)
PHYSICAL PROGRAM
(P0)
CDA1 = 0
UTILITY ROM
x0000
x8000
xA000
xFFFF
PHYSICAL PROGRAM
(P1)