HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 111
HD6417615
Manufacturer Part Number
HD6417615
Description
Hardware Manual
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6417615.pdf
(873 pages)
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2.5.3
DSP operation instructions are digital signal processing instructions processed by the DSP unit.
These instructions use 32-bit instruction codes, and multiple instructions are executed in parallel.
The instruction codes are divided into an A field and a B field; parallel data transfer instructions
are designated in the A field, and single or double data operation instructions are designated in the
B field. Instructions can be independently designated and execution can also be carried out
independently. A parallel data transfer instruction designated in the A field is exactly the same as a
double data transfer instruction.
The B field data operation instructions are divided into three groups: double data operation
instructions, conditional single data operation instructions, and unconditional single data operation
instructions. Table 2.32 lists the instruction formats of the DSP operation instructions. Each of the
operands can be independently selected from the DSP registers. Table 2.33 shows the
correspondence between the DSP operation instruction operands and registers.
Table 2.32 DSP Operation Instruction Formats
Classification
Double data operation instructions
(6 operands)
Conditional single data
operation instructions
Unconditional single data
operation instructions
DSP Operation Instruction Set
3 operands
2 operands
1 operand
3 operands
2 operands
1 operand
Instruction Forms
DCT ALUop. Sx, Sy, Dz
DCF ALUop. Sx, Sy, Dz
DCT ALUop. Sx, Dz
DCF ALUop. Sx, Dz
DCT ALUop. Sy, Dz
DCF ALUop. Sy, Dz
DCT ALUop. Dz
DCF ALUop. Dz
ALUop. Sx, Sy, Du
MLTop. Se, Sf, Dg
ALUop. Sx, Sy, Dz
ALUop. Sx, Dz
ALUop. Sy, Dz
ALUop. Dz
ALUop. Sx, Sy, Du
MLTop. Se, Sf, Dg
ALUop. Sx, Dz
ALUop. Sy, Dz
ALUop. Dz
Instruction
PADD, PAND, POR,
PSHA, PSHL, PSUB,
PXOR
PCOPY, PDEC, PDMSB,
PINC, PLDS, PSTS,
PNEG
PCLR
PADDC, PSUBC, PMULS
PCMP, PABS, PRND
PSHA #imm,
PSHL #imm
PADD PMULS,
PSUB PMULS
93
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