70291E Datasheet, PDF (28/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
FIGURE 3-2:
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/
X04 PROGRAMMER’S MODEL
DSP Operand
Registers
DSP Address
Registers
D15
D0
W0/WREG
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12/DSP Offset
W13/DSP Write Back
W14/Frame Pointer
W15/Stack Pointer
PUSH.S Shadow
DO Shadow
Legend
Working Registers
SPLIM
Stack Pointer Limit Register
DSP
Accumulators
PC22
AD39
ACCA
ACCB
AD31
7
0
TBLPAG
Data Table Page Address
AD15
AD0
PC0
0
Program Counter
7
0
PSVPAG
Program Space Visibility Page Address
15
RCOUNT
0
REPEAT Loop Counter
15
DCOUNT
0
DO Loop Counter
22
DOSTART
0
DO Loop Start Address
22
DOEND
DO Loop End Address
15
CORCON
0
Core Configuration Register
OA OB SA SB OAB SAB DA DC IPL2 IPL1 IPL0 RA N OV Z C STATUS Register
SRH
SRL
DS70291E-page 28
© 2011 Microchip Technology Inc.