70291E Datasheet, PDF (46/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

TABLE 4-1: CPU CORE REGISTERS MAP
SFR Name
SFR
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
WREG0
0000
Working Register 0
WREG1
0002
Working Register 1
WREG2
0004
Working Register 2
WREG3
0006
Working Register 3
WREG4
0008
Working Register 4
WREG5
000A
Working Register 5
WREG6
000C
Working Register 6
WREG7
000E
Working Register 7
WREG8
0010
Working Register 8
WREG9
0012
Working Register 9
WREG10
0014
Working Register 10
WREG11
0016
Working Register 11
WREG12
0018
Working Register 12
WREG13
001A
Working Register 13
WREG14
001C
Working Register 14
WREG15
001E
Working Register 15
SPLIM
0020
Stack Pointer Limit Register
ACCAL
0022
ACCAL
ACCAH
0024
ACCAH
ACCAU
0026
ACCA<39>
ACCAU
ACCBL
0028
ACCBL
ACCBH
002A
ACCBH
ACCBU
002C
ACCB<39>
ACCBU
PCL
002E
Program Counter Low Word Register
PCH
0030
—
—
—
—
—
—
—
—
Program Counter High Byte Register
TBLPAG
0032
—
—
—
—
—
—
—
—
Table Page Address Pointer Register
PSVPAG
0034
—
—
—
—
—
—
—
—
Program Memory Visibility Page Address Pointer Register
RCOUNT
0036
Repeat Loop Counter Register
DCOUNT
0038
DCOUNT<15:0>
DOSTARTL 003A
DOSTARTL<15:1>
DOSTARTH 003C
—
—
—
—
—
—
—
—
—
—
DOSTARTH<5:0>
DOENDL
003E
DOENDL<15:1>
DOENDH
0040
—
—
—
—
—
—
—
—
—
—
DOENDH
SR
0042
OA
OB
SA
SB
OAB
SAB
DA
DC
IPL2
IPL1
IPL0
RA
N
OV
Z
CORCON
0044
—
—
—
US
EDT
DL<2:0>
SATA
SATB SATDW ACCSAT IPL3
PSV
RND
MODCON 0046 XMODEN YMODEN —
—
BWM<3:0>
YWM<3:0>
XWM<3:0>
Legend: x = unknown value on Reset, — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal.
Bit 0
0
0
C
IF
All
Resets
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0800
xxxx
xxxx
xxxx
xxxx
xxxx
xxxx
xxxx
xxxx
0000
0000
0000
xxxx
xxxx
xxxx
00xx
xxxx
00xx
0000
0020
0000