70291E Datasheet, PDF (73/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
FIGURE 4-9:
DATA ACCESS FROM PROGRAM SPACE ADDRESS GENERATION
Program Counter⁽¹⁾
0
Program Counter
0
23 bits
Table Operations⁽²⁾
1/0
TBLPAG
8 bits
EA
1/0
16 bits
24 bits
Select
1
EA
0
Program Space Visibility⁽¹⁾
(Remapping)
0
PSVPAG
8 bits
15 bits
23 bits
User/Configuration
Space Select
Byte Select
Note 1: The Least Significant bit (LSb) of program space addresses is always fixed as ‘0’ to maintain
word alignment of data in the program and data spaces.
2: Table operations are not required to be word aligned. Table read operations are permitted
in the configuration memory space.
© 2011 Microchip Technology Inc.
DS70291E-page 73