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Figure 1-6. cda functions (byte access mode) -19 – Maxim Integrated MAXQ7666 User Manual

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MAXQ7665/MAXQ7666 User’s Guide

1-19

Figure 1-6. CDA Functions (Byte Access Mode)

UTILITY ROM

PHYSICAL DATA

0000h

8000h

A000h

9000h

FFFFh

A100h

0000h

8000h

0200h

FFFFh

DATA MEMORY

PROGRAM MEMORY

15

0

0

7

CDA0 = 1

CDA0 = 0

EXECUTING FROM UTILITY ROM (UPA = 0, ONLY P1, P2 PRESENT)

PHYSICAL PROGRAM

(P0)

UTILITY ROM

0000h

8000h

A000h

FFFFh

A100h

0000h

8000h

FFFFh

DATA MEMORY

PROGRAM MEMORY

15

0

0

7

CDA0 = 0

CDA0 = 1

EXECUTING FROM LOGICAL DATA MEMORY (UPA = 0, ONLY P1, P2 PRESENT)

PHYSICAL PROGRAM

(P1)

LOGICAL SPACE

LOGICAL SPACE

LOGICAL SPACE

LOGICAL SPACE

LOGICAL DATA

MEMORY

LOGICAL DATA

MEMORY

LOGICAL SPACE

PHYSICAL PROGRAM

(P1)

PHYSICAL PROGRAM

(P0)

9000h

LOGICAL SPACE

Maxim Integrated

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