SH7721 datasheet(225/1524 Pages) RENESAS

225 / 1524 page

Section 3 DSP Operating Unit

Rev. 3.00 Jan. 18, 2008 Page 163 of 1458

REJ09B0033-0300

Instruction Code

Fx: 0000

Fx: 0001

Fx: 0010

Fx: 0011 to 1111

MSB

LSB MD: 00

MD: 01

MD: 10

MD: 11

1000 01MD Rm

disp

MOV.B

@(disp:4, Rm), R0

MOV.W

@(disp: 4, Rm), R0

1000 10MD imm/disp

CMP/EQ

#imm:8, R0

disp: 8

1000 11MD imm/disp

LDRS

@(disp:8,PC)

BT/S

disp: 8

LDRE

@(disp:8,PC)

BF/S

disp: 8

1001 Rn

disp

MOV.W

@ (disp : 8, PC), Rn

1010 disp

BRA

disp : 12

1011 disp

BSR

disp: 12

1100 00MD imm/disp

MOV.B

R0, @(disp: 8, GBR)

MOV.W

R0, @(disp: 8, GBR)

MOV.L

R0, @(disp: 8, GBR)

TRAPA

#imm: 8

1100 01MD disp

MOV.B

@(disp: 8, GBR), R0

MOV.W

@(disp: 8, GBR), R0

MOV.L

@(disp: 8, GBR), R0

MOVA

@(disp: 8, PC), R0

1100 10MD imm

TST

#imm: 8, R0

AND

#imm: 8, R0

XOR

#imm: 8, R0

1100 11MD imm

TST.B

#imm: 8, @(R0, GBR)

AND.B

#imm: 8, @(R0, GBR)

XOR.B

#imm: 8, @(R0, GBR)

OR.B

#imm: 8, @(R0, GBR)

1101 Rn

disp

MOV.L

@(disp: 8, PC), Rn

1110 Rn

imm

MOV

#imm:8, Rn

1111 00**

********

MOVX.W, MOVY.W

Double data transfer instruction

1111 01**

********

MOVS.W, MOVS.L

Single data transfer instruction

1111 10**

********

MOVX.W, MOVY.W

Double data transfer instruction, with DSP parallel operation instruction (32-

bit instruction )

1111 11**

********

Notes: 1. For details, refer to the SH-3/SH-3E/SH3-DSP Software Manual.

2. Instructions in the hatched areas are DSP extended instructions. These instructions

can be executed only when the DSP bit in the SR register is set to 1.

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