SH7615 Datasheet, PDF (105/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH
RISC engine Family/SH7600 Series

2.4.4 Instruction Formats for DSP Instructions
New instructions have been added for digital signal processing. The new instructions are divided
into the two following types.
1. Memory and DSP register double, single data transfer instructions (16-bit length)
2. Parallel processing instructions processed by the DSP unit (32-bit length)
Figure 2.12 shows each of the instruction formats.
15
0
CPU core
instructions
0000
to
1110
15
10 9
0
Double data
transfer instructions ^{1 1 1 1 0 0}
A field
15
10 9
0
Single data
transfer instructions ^{1 1 1 1 0 1}
A field
31
26 25
16 15
0
Parallel processing
instructions ^{1 1 1 1 1 0}
A field
B field
Figure 2.12 Instruction Formats for DSP Instructions
Double, Single Data Transfer Instructions: Table 2.15 indicates the data formats for double data
transfer instructions, and table 2.16 indicates the data formats for single data transfer instructions.
Rev. 2.00, 03/05, page 67 of 884