SH7065 Datasheet, PDF (59/941 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Section 2 CPU
Table 2.4 DSP Instruction Source Register Data Formats
Registers
Instructions
Guard Bits
Register Bits
39
32 31
16 15
0
A0, A1
DSP
operations
Fixed-point, PDMSB,
PSHA
40-bit data
Integer
24-bit data
Logical, PSHL, PMULS
16-bit data
Data transfer MOVX/Y.W, MOVS.W
16-bit data
MOVS.L
32-bit data
A0G,
A1G
X0, X1
Y0, Y1
M0, M1
Data transfer MOVS.W
MOVS.L
DSP
operations
Fixed-point, PDMSB,
PSHA
Integer
Logical, PSHL, PMULS
Data
Data
Sign^*
Sign^*
32-bit data
16-bit data
16-bit data
Data transfer MOVS.W
16-bit data
MOVS.L
32-bit data
Note: * The sign is extended and stored in the ALU guard bits.
Rev. 5.00 Sep 11, 2006 page 37 of 916
REJ09B0332-0500