SH7616 datasheet(130/935 Pages) RENESAS

Part #	SH7616

Description	32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7600 Series

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 2 CPU

Rev. 2.00 Mar 09, 2006 page 104 of 906

REJ09B0292-0200

When there are no data transfer instructions being processed simultaneously in parallel with DSP

operation instructions, it is possible to either write NOPX, NOPY instructions or to omit the

instructions. The instruction codes are the same regardless of whether the NOPX, NOPY

instructions are written or omitted. Table 2.44 gives some examples of NOPX and NOPY

instruction codes.

Table 2.44 NOPX and NOPY Instruction Codes

Instruction

Code

PADD X0, Y0, A0 MOVX.W @R4+, X0 MOVY.W @R6+R9, Y0

1111100000001011

1011000100000111

PADD X0, Y0, A0 NOPX

MOVY.W @R6+R9, Y0

1111100000000011

1011000100000111

PADD X0, Y0, A0 NOPX

NOPY

1111100000000000

1011000100000111

PADD X0, Y0, A0 NOPX

1111100000000000

1011000100000111

PADD X0, Y0, A0

1111100000000000

1011000100000111

MOVX.W @R4+, X0 MOVY.W @R6+R9, Y0

1111000000001011

MOVX.W @R4+, X0 NOPY

1111000000001000

MOVS.W @R4+, X0

1111010010001000

NOPX

MOVY.W @R6+R9, Y0

1111000000000011

MOVY.W @R6+R9, Y0

1111000000000011

NOPX

NOPY

1111000000000000

NOP

0000000000001001

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