DSPIC30F9013AT-30E/ML 查看數據表（PDF） - Microchip Technology

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DSPIC30F9013AT-30E/ML

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC30F3014/4013

TABLE 3-1: PROGRAM SPACE ADDRESS CONSTRUCTION

Access Type

Access

Space

Program Space Address

<23>

<22:16>

<15>

<14:1>

<0>

Instruction Access

User

0

PC<22:1>

0

TBLRD/TBLWT

User

(TBLPAG<7> = 0)

TBLPAG<7:0>

Data EA<15:0>

TBLRD/TBLWT

Configuration

(TBLPAG<7> = 1)

TBLPAG<7:0>

Data EA<15:0>

Program Space Visibility User

0

PSVPAG<7:0>

Data EA<14:0>

FIGURE 3-3:

DATA ACCESS FROM PROGRAM SPACE ADDRESS GENERATION

23 bits

Using

Program

0

Program Counter

0

Counter

Using

Program

Space

Visibility

Select

1

0 PSVPAG Reg

8 bits

EA

15 bits

Using

Table

Instruction

1/0 TBLPAG Reg

8 bits

EA

16 bits

User/

Configuration

Space

Select

24-bit EA

Byte

Select

Note: Program space visibility cannot be used to access bits <23:16> of a word in program memory.

DS70138E-page 24

© 2007 Microchip Technology Inc.

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