HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 84

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

2.4.4
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.
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.
66
transfer instructions
transfer instructions
Parallel processing
Instruction Formats for DSP Instructions
Double data
instructions
instructions
Single data
CPU core
Figure 2.12 Instruction Formats for DSP Instructions
15
15
31
15
1 1 1 0
1 1 1 1 0 0
1 1 1 1 0 1
1 1 1 1 1 0
0 0 0 0
to
26 25
10
10
9
9
A field
A field
A field
16
0
0
0
15
B field
0