SH7727 Datasheet, PDF (130/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 2 CPU
2.4.4 DSP Instruction Formats
The SH7727 includes new instructions for digital signal processing. The new instructions are of
the following two kinds.
1. Memory and DSP register double and single data transfer instructions (16-bit length)
2. Parallel processing instructions processed by the DSP unit (32-bit length)
The instruction formats are shown in figure 2.15.
15
0
CPU core instructions
0000
...
1110
15
10 9
0
Double data transfer
instructions
111100
A field
15
10 9
0
Single data transfer
instructions
111101
A field
31
26 25
16 15
0
Parallel processing
instructions
111110
A field
B field
Figure 2.15 DSP Instruction Formats
Rev. 5.00 Dec 12, 2005 page 58 of 1034
REJ09B0254-0500