PIC24EP256GU810-I Datasheet, PDF(490/622 Page) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

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PIC24EP256GU810-I Datasheet, PDF (490/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

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dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814

TABLE 30-2: INSTRUCTION SET OVERVIEW (CONTINUED)

Base

Instr

#

Assembly

Mnemonic

Assembly Syntax

Description

# of

# of Status Flags

Words Cycles(2) Affected

25 DAW

DAW

Wn

Wn = decimal adjust Wn

1

1

C

26 DEC

DEC

f

f=fâ1

1

1

C,DC,N,OV,Z

DEC

f,WREG

WREG = f â 1

1

1

C,DC,N,OV,Z

DEC

Ws,Wd

Wd = Ws â 1

1

1

C,DC,N,OV,Z

27 DEC2

DEC2

f

f=fâ2

1

1

C,DC,N,OV,Z

DEC2

f,WREG

WREG = f â 2

1

1

C,DC,N,OV,Z

DEC2

Ws,Wd

Wd = Ws â 2

1

1

C,DC,N,OV,Z

28 DISI

DISI

#lit14

Disable Interrupts for k instruction cycles 1

1

None

29 DIV

DIV.S Wm,Wn

Signed 16/16-bit Integer Divide

1

18

N,Z,C,OV

DIV.SD Wm,Wn

Signed 32/16-bit Integer Divide

1

18

N,Z,C,OV

DIV.U Wm,Wn

Unsigned 16/16-bit Integer Divide

1

18

N,Z,C,OV

30 DIVF

31 DO

32 ED

33 EDAC

DIV.UD

DIVF

DO

DO

ED

Wm,Wn

Wm,Wn(1)

#lit15,Expr(1)

Wn,Expr(1)

Wm*Wm,Acc,Wx,Wy,Wxd(1)

EDAC

Wm*Wm,Acc,Wx,Wy,Wxd(1)

Unsigned 32/16-bit Integer Divide

1

Signed 16/16-bit Fractional Divide

1

Do code to PC + Expr, lit15 + 1 times

2

Do code to PC + Expr, (Wn) + 1 times

2

Euclidean Distance (no accumulate)

1

Euclidean Distance

1

18

N,Z,C,OV

18

N,Z,C,OV

2

None

2

None

1

OA,OB,OAB,

SA,SB,SAB

1

OA,OB,OAB,

SA,SB,SAB

34 EXCH

EXCH

Wns,Wnd

Swap Wns with Wnd

1

1

None

35 FBCL

FBCL

Ws,Wnd

Find Bit Change from Left (MSb) Side

1

1

C

36 FF1L

FF1L

Ws,Wnd

Find First One from Left (MSb) Side

1

1

C

37 FF1R

FF1R

Ws,Wnd

Find First One from Right (LSb) Side

1

1

C

38 GOTO

GOTO

Expr

Go to address

2

4

None

GOTO

Wn

Go to indirect

1

4

None

GOTO.L Wn

Go to indirect (long address)

1

4

None

39 INC

INC

f

f=f+1

1

1

C,DC,N,OV,Z

INC

f,WREG

WREG = f + 1

1

1

C,DC,N,OV,Z

INC

Ws,Wd

Wd = Ws + 1

1

1

C,DC,N,OV,Z

40 INC2

INC2

f

f=f+2

1

1

C,DC,N,OV,Z

INC2

f,WREG

WREG = f + 2

1

1

C,DC,N,OV,Z

INC2

Ws,Wd

Wd = Ws + 2

1

1

C,DC,N,OV,Z

41 IOR

IOR

f

f = f .IOR. WREG

1

1

N,Z

IOR

f,WREG

WREG = f .IOR. WREG

1

1

N,Z

IOR

#lit10,Wn

Wd = lit10 .IOR. Wd

1

1

N,Z

IOR

Wb,Ws,Wd

Wd = Wb .IOR. Ws

1

1

N,Z

IOR

Wb,#lit5,Wd

Wd = Wb .IOR. lit5

1

1

N,Z

42 LAC

LAC

Wso,#Slit4,Acc

Load Accumulator

1

1

OA,OB,OAB,

SA,SB,SAB

43 LNK

LNK

#lit14

Link Frame Pointer

1

1

SFA

44 LSR

LSR

f

f = Logical Right Shift f

1

1

C,N,OV,Z

LSR

f,WREG

WREG = Logical Right Shift f

1

1

C,N,OV,Z

LSR

Ws,Wd

Wd = Logical Right Shift Ws

1

1

C,N,OV,Z

LSR

Wb,Wns,Wnd

Wnd = Logical Right Shift Wb by Wns

1

1

N,Z

LSR

Wb,#lit5,Wnd

Wnd = Logical Right Shift Wb by lit5

1

1

N,Z

45 MAC

MAC

Wm*Wn,Acc,Wx,Wxd,Wy,Wyd,AWB(1) Multiply and Accumulate

1

1

OA,OB,OAB,

SA,SB,SAB

MAC

Wm*Wm,Acc,Wx,Wxd,Wy,Wyd(1)

Square and Accumulate

1

1

OA,OB,OAB,

SA,SB,SAB

Note 1: This instruction is available in dsPIC33EPXXX(GP/MC/MU)806/810/814 devices only.

2: Read and Read-Modify-Write (e.g., bit operations and logical operations) on non-CPU SFRs incur an additional instruction cycle.

DS70616G-page 490

ï£ 2009-2012 Microchip Technology Inc.

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