Microchip Technology MA330031-2 Data Sheet
2011-2
013 M
ic
rochip
T
e
chnology
In
c.
DS70000657H
-page
63
dsPI
C3
3E
PXX
3E
PXX
XGP5
0X
, dsP
, dsP
IC
3
3
EPX
XXM
C
2
0
X
/5
0X
A
N
A
N
D
P
IC
IC
2
4
EPX
XXG
P/M
C
20
X
X
4.4
Special Function Register Maps
TABLE 4-1:
CPU CORE REGISTER MAP FOR dsPIC33EPXXXMC20X/50X AND dsPIC33EPXXXGP50X DEVICES ONLY
File Name
Addr.
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
All
Resets
W0
0000
W0 (WREG)
xxxx
W1
0002
W1
xxxx
W2
0004
W2
xxxx
W3
0006
W3
xxxx
W4
0008
W4
xxxx
W5
000A
W5
xxxx
W6
000C
W6
xxxx
W7
000E
W7
xxxx
W8
0010
W8
xxxx
W9
0012
W9
xxxx
W10
0014
W10
xxxx
W11
0016
W11
xxxx
W12
0018
W12
xxxx
W13
001A
W13
xxxx
W14
001C
W14
xxxx
W15
001E
W15
xxxx
SPLIM
0020
SPLIM
0000
ACCAL
0022
ACCAL
0000
ACCAH
0024
ACCAH
0000
ACCAU
0026
Sign Extension of ACCA<39>
ACCAU
0000
ACCBL
0028
ACCBL
0000
ACCBH
002A
ACCBH
0000
ACCBU
002C
Sign Extension of ACCB<39>
ACCBU
0000
PCL
002E
PCL<15:0>
—
0000
PCH
0030
—
—
—
—
—
—
—
—
—
PCH<6:0>
0000
DSRPAG
0032
—
—
—
—
—
—
DSRPAG<9:0>
0001
DSWPAG
0034
—
—
—
—
—
—
—
DSWPAG<8:0>
0001
RCOUNT
0036
RCOUNT<15:0>
0000
DCOUNT
0038
DCOUNT<15:0>
0000
DOSTARTL
003A
DOSTARTL<15:1>
—
0000
DOSTARTH 003C
—
—
—
—
—
—
—
—
—
—
DOSTARTH<5:0>
0000
DOENDL
003E
DOENDL<15:1>
—
0000
DOENDH
0040
—
—
—
—
—
—
—
—
—
—
DOENDH<5:0>
0000
Legend:
x
= unknown value on Reset, — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal.