SH7641 Datasheet, PDF (88/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 2 CPU
Table 2.3 Source Register in DSP Operations
Guard Bits Register Bits
Registers
Instructions
39
32 31
16 15
0
A0, A1
DSP
Fixed-point, PDMSB,
PSHA
40-bit data
Integer
24-bit data
Logical, PSHL, PMULS
16-bit data
Data
transfer
MOVX/Y.W, MOVS.W
MOVS.L
16-bit data
32-bit data
A0G, A1G Data
transfer
MOVS.W
MOVS.L
Data
Data
X0, X1
Y0, Y1
M0, M1
DSP
Fixed-point, PDMSB,
PSHA
Integer
Sign*
Sign*
32-bit data
16-bit data
Logical, PSHL, PMULS
16-bit data
Data
transfer
MOVS.W
MOVS.L
16-bit data
32-bit data
Note: * The data is sign-extended and input to the ALU.
Rev. 4.00 Sep. 14, 2005 Page 38 of 982
REJ09B0023-0400