DSPIC30F MICROCHIP [Microchip Technology], DSPIC30F Datasheet - Page 40

• Manufacturer Part Number: DSPIC30F
• Description: General Purpose and Sensor Families High-Performance Digital Signal Controllers
• Manufacturer: MICROCHIP [Microchip Technology]

dsPIC30F
FIGURE 3-4:
DS70083G-page 38
Data
Space
EA
Note:
Upper Half of Data
Space is Mapped
into Program Space
BSET
MOV
MOV
MOV
16
EA<15> = 0
EA<15> = 1
CORCON,#2
#0x21, W0
W0, PSVPAG
0x8200, W0
PSVPAG is an 8-bit register, containing bits <22:15> of the program space address (i.e., it defines
the page in program space to which the upper half of data space is being mapped).
DATA SPACE WINDOW INTO PROGRAM SPACE OPERATION
15
15
; PSV bit set
; Set PSVPAG register
; Access program memory location
; using a data space access
Data Space
0x0000
0x8000
0xFFFF
15
Preliminary
Concatenation
Address
PSVPAG
0x21
8
(1)
23
23
Program Space
15
 2004 Microchip Technology Inc.
Data Read
0
0x108000
0x108200
0x10FFFF