SH7727 datasheet(111/1109 Pages) RENESAS

Part #	SH7727

Description	Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

PDF	1109 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 2 CPU

Rev. 5.00 Dec 12, 2005 page 39 of 1034

REJ09B0254-0500

31 30

−28 to +28 − 2−31

32 31

−223 to +223 − 1

31 30

16 15

−1 to +1 − 2−15

16 15

−215 to +215 − 1

16 15

−32 to +32

16 15

−16 to +16

16 15

31 30

−1 to +1 − 2−31

−231 to +231 − 1

DSP type fixed point

With guard bits

Without guard bits

Multiplier input

DSP type integer

DSP type logical

With guard bits

CPU type integer

S: Sign bit

Longword

: Binary point

: Does not affect the operations

Without guard bits

Shift amount for

arithmetic shift (PSHA)

Shift amount for

logical shift (PSHL)

Figure 2.10 Data Format

Shift amount for arithmetic shift (PSHA) instruction has 7 bits filed that could represent –64 to

+63, however –32 to +32 is the valid number for the operation. Also the shift amount for logical

shift operation has 6-bits field, however –16 to +16 is the valid number for the instruction.

SH7727 Datasheet(PDF) 111 Page - Renesas Technology Corp

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