PIC24FJ256GB110-I Datasheet, PDF (54/328 Pages) Microchip Technology – 64/80/100-Pin, 16-Bit Flash Microcontrollers with USB On-The-Go (OTG)

PIC24FJ256GB110 FAMILY
TABLE 3-31: PROGRAM SPACE ADDRESS CONSTRUCTION
Access Type
Access
Space
Program Space Address
<23>
<22:16>
<15>
<14:1>
<0>
Instruction Access
(Code Execution)
TBLRD/TBLWT
(Byte/Word Read/Write)
User
User
Configuration
0
PC<22:1>
0
0xx xxxx xxxx xxxx xxxx xxx0
TBLPAG<7:0>
Data EA<15:0>
0xxx xxxx
TBLPAG<7:0>
xxxx xxxx xxxx xxxx
Data EA<15:0>
Program Space Visibility User
(Block Remap/Read)
1xxx xxxx
0
PSVPAG<7:0>
0
xxxx xxxx
xxxx xxxx xxxx xxxx
Data EA<14:0>⁽¹⁾
xxx xxxx xxxx xxxx
Note 1: Data EA<15> is always ‘1’ in this case, but is not used in calculating the program space address. Bit 15 of
the address is PSVPAG<0>.
FIGURE 3-5:
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
Program Space Visibility⁽¹⁾
(Remapping)
0
Select
1
PSVPAG
8 Bits
EA
0
15 Bits
23 Bits
User/Configuration
Space Select
Byte Select
Note 1: The LSb of program space addresses is always fixed as ‘0’ in order 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.
DS39897B-page 52
Preliminary
© 2008 Microchip Technology Inc.