參數(shù)資料
型號: UPD77018
廠商: NEC Corp.
元件分類: 數(shù)字信號處理
英文描述: 16 bits, Fixed-point Digital Signal Processor
中文描述: 16位定點(diǎn)數(shù)字信號處理器
文件頁數(shù): 26/60頁
文件大小: 424K
代理商: UPD77018
μ
P
2
Concurrent Writing Processing
Flag
TRI.
DYAD. MONAD.
Load/
store
TRANS.
IMM.
BR. LOOP.
CTL. OV
Trinomial
Dyadic
Multiply add
ro = ro + rh
rh'
ro
ro+rh
rh'
Multiply sub
ro = ro–rh
rh'
ro
ro–rh
rh'
Sign unsign
Multiply add
ro = ro + rh
rl
(rl should be a plus
integral number.)
ro
ro+rh
rl
Unsign unsign
Multiply add
ro=ro+rl
rl'
(rl and rl' should be a plus
integral number.)
ro
ro+rl
rl'
1 bit shift Multiply add
ro=(ro>>1)+rh
rh'
ro
2
rh'
16
16 bits shift Multiply add
ro = (ro>>16)+rh
rh'
ro
2
rh'
Multiply
ro=rh
rh'
ro
rh
rh'
Add
ro"=ro+ro'
ro"
ro+ro'
Immediate add
ro'=ro+imm
ro'
ro+imm (imm
1)
Sub
ro"=ro–ro'
ro"
ro–ro'
Immediate sub
ro'=ro–imm
ro'
ro–imm (imm
1)
Arithmetic right shift
ro'=ro SRA rl
ro'
ro >> rl
Immediate arithmetic
right shift
ro'=ro SRA imm
ro'
ro >> imm
Logic right shift
ro'=ro SRL rl
ro'
ro >> rl
Immediate Logic right shift
ro'=ro SRL imm
ro'
ro >> imm
Logic left shift
ro'=ro SLL rl
ro'
ro << rl
Immediate logic left shift
ro'=ro SLL imm
ro'
ro << imm
ro
Name
Mnemonic
Operation
μ
PD77017 INSTRUCTION SET
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