HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 111

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

2.4.4
This LSI 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.
DSP Instruction Formats
Double data transfer
instructions
Parallel processing
instructions
Single data transfer
instructions
CPU core instructions
Figure 2.15 DSP Instruction Formats
15
15
15
31
0 0 0 0
1 1 1 0
1 1 1 1 0 0
1 1 1 1 0 1
1 1 1 1 1 0
. .
.
10
26
10
9
25
9
A field
A field
A field
16
0
0
0
15
Rev. 4.00 Sep. 14, 2005 Page 61 of 982
B field
REJ09B0023-0400
Section 2 CPU
0