
dsPIC33F
DS70155C-page 12 Preliminary © 2005 Microchip Technology Inc.
FIGURE 3-3: SAMPLE DATA SPACE MEMORY MAP
0x0000
0x07FE
SFR Space
0xFFFE
X Data RAM (X)
Least Significant Byte
Address
16 Bits
LSBMSB
Most Significant Byte
Address
0x0001
0x07FF
0xFFFF
X Data
0x7800
Optionally
Mapped
into Program
Memory
Unimplemented (X)
0x0801
0x0800
2-Kbyte
SFR Space
0x4000
0x3FFE
DMA RAM
0x4001
0x3FFF
0x77FE
8-Kbyte
Data Space
0x77FF
0x7801
0x7FFF 0x7FFE
Note: This data memory map is for the largest memory dsPIC33F device. Data memory maps for other
devices may vary.
Y Data RAM (Y)
0x8001 0x8000
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