MA300013【PDF 44/92 页】MODULE DSPIC30F SAMPLE 80QFP

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dsPIC30F

TABLE 10-10: SHADOW/STACK INSTRUCTIONS

Assembly

LNK

POP

POP

POP.D

POP.S

PUSH

PUSH

PUSH.D

PUSH.S

ULNK

Syntax

#lit14

f

Wd

Wnd

f

Ws

Wns

Description

Link Frame Pointer

Pop TOS to f

Pop TOS to Wd

Double pop from TOS to Wnd:Wnd + 1

Pop shadow registers

Push f to TOS

Push Ws to TOS

Push double Wns:Wns + 1 to TOS

Push shadow registers

Unlink Frame Pointer

Words

1

1

1

1

1

1

1

1

1

1

Cycles

1

1

1

2

1

1

1

2

1

1

TABLE 10-11: CONTROL INSTRUCTIONS

Assembly

CLRWDT

DISI

NOP

NOPR

PWRSAV

RESET

Syntax

#lit14

#lit1

Description

Clear Watchdog Timer

Disable interrupts for (lit14 + 1) instruction cycles

No operation

No operation

Enter Power-Saving mode lit1

Software device Reset

Words

1

1

1

1

1

1

Cycles

1

1

1

1

1

1

TABLE 10-12: DSP INSTRUCTIONS

Assembly

ADD

ADD

CLR

ED

EDAC

LAC

MAC

MAC

MOVSAC

MPY

MPY

MPY.N

MSC

NEG

SAC

SAC.R

SFTAC

SFTAC

SUB

Syntax

Acc

Ws,#Slit4,Acc

Acc,Wx,Wxd,Wy,Wyd,AWB

Wm*Wm,Acc,Wx,Wy,Wxd

Wm*Wm,Acc,Wx,Wy,Wxd

Ws,#Slit4,Acc

Wm*Wn,Acc,Wx,Wxd,Wy,Wyd,AWB

Wm*Wm,Acc,Wx,Wxd,Wy,Wyd

Acc,Wx,Wxd,Wy,Wyd,AWB

Wm*Wn,Acc,Wx,Wxd,Wy,Wyd

Wm*Wm,Acc,Wx,Wxd,Wy,Wyd

Wm*Wn,Acc,Wx,Wxd,Wy,Wyd

Wm*Wn,Acc,Wx,Wxd,Wy,Wyd,AWB

Acc

Acc,#Slit4,Wd

Acc,#Slit4,Wd

Acc,#Slit6

Acc,Wn

Acc

Description

Add accumulators

16-bit signed add to Acc

Clear Acc

Euclidean distance (no accumulate)

Euclidean distance

Load Acc

Multiply and accumulate

Square and accumulate

Move Wx to Wxd and Wy to Wyd

Multiply Wn by Wm to Acc

Square to Acc

-(Multiply Wn by Wm) to Acc

Multiply and subtract from Acc

Negate Acc

Store Acc

Store rounded Acc

Arithmetic shift Acc by Slit6

Arithmetic shift Acc by (Wn)

Subtract accumulators

Words

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Cycles

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

DS70043F-page 42

? 2005 Microchip Technology Inc.

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