HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 138
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 2 CPU
2.6.4
DSP operation instructions are instructions for digital signal processing performed by the DSP
unit. These instructions have a 32-bit instruction code, and multiple instructions can be executed
in parallel. The instruction code is divided into an A field and B field; a parallel data transfer
instruction is specified in the A field, and a single or double data operation instruction in the B
field. Instructions can be specified independently, and are also executed independently. The
parallel data transfer instruction specified in the A field is exactly the same as a double data
transfer instruction. The function of the A field—that is, the data transfer instruction field—is
basically the same as in the double data transfer instructions described in section 2.6.3, Single and
Double Data Transfer for DSP Data Instructions, but has a special function in load instructions.
B-field data operation instructions are of three kinds: double data operation instructions,
conditional single data operation instructions, and unconditional single data operation instructions.
The formats of the DSP operation instructions are shown in table 2.29. The respective operands
are selected independently from the DSP registers. The correspondence between DSP operation
instruction operands and registers is shown in table 2.30.
Table 2.29 DSP Operation Instruction Formats
Rev. 4.00 Sep. 14, 2005 Page 88 of 982
REJ09B0023-0400
Type
Double data operation instructions
Conditional single data operation instructions
Unconditional single data operation instructions
DSP Operation Instruction Set
Instruction Formats
DCT
DCF
DCT
DCF
DCT
DCF
ALUop. Sx, Sy, Du
MLTop. Se, Df, Dg
ALUop. Sx, Sy, Dz
ALUop. Sx, Sy, Dz
ALUop. Sx, Sy, Dz
ALUop. Sx, Dz
ALUop. Sx, Dz
ALUop. Sx, Dz
ALUop. Sy, Dz
ALUop. Sy, Dz
ALUop. Sy, Dz
ALUop. Sx, Sy, Dz
ALUop. Sx, Dz
ALUop. Sy, Dz
MLTop. Se, Sf, Dg
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