參數(shù)資料
型號: DSP16210
英文描述: TVS 400W 6.5V UNIDIRECT SMA
中文描述: DSP16210數(shù)字信號處理器
文件頁數(shù): 84/173頁
文件大?。?/td> 2621K
代理商: DSP16210
Data Sheet
July 2000
DSP16210 Digital Signal Processor
84
DRAFT COPY
Lucent Technologies Inc.
Software Architecture
(continued)
Instruction Set Quick Reference
(continued)
Table 36. F1E Function Statement Syntax
(continued)
Special-Purpose MAC Function Statements for Viterbi
ADDER
xl=aSPEl+yl
aDE=aSEE+p0+p1
xl=aSPEl–yl
aDE=aSEE+p0+p1
aDE=aSE+p0+p1
ALU
Multipliers
p1=xl**2
p1=xl**2
p1=xl**2
xh=aSPEh+yh
xh=aSPEh–yh
p0=xh**2
p0=xh**2
p0=xh**2
Special-Purpose MAC Function Statement for FFT
ADDER
aDPE=–aSPE+p1
ALU
Multipliers
p1=xl*yl
aDEE=–aSEE+p0
p0=xh*yh
ALU Function Statements
aDE=
aSEOP
y
aSE–y
aSE&y
aDE=aDE
±
aSE
Special-Purpose ALU/ACS, ADDER Function Statements for Viterbi
ALU/ACS
aDEE=cmp0(aSEE,aDEE)
aDE=cmp0(aSE,aDE)
aDEE=cmp1(aSE,aDEE)
aDE=cmp1(aSE,aDE)
aDEE=cmp2(aSE,aDEE)
aDE=cmp2(aSE,aDE)
aDEE=aSEE+y
aDEE=aSEE
y
ADDER
aDPE=aDPE+aSPE
aDPE=aDEE–aSE
aDPE=aDEE–aSE
aDPE=aSPE–y
aDPE=aSPE+y
Special-Purpose ALU, BMU Function Statements
ALU
aDEE=rnd(aDPE)
BMU
aDPE=aSEE>>aSPEh
aDE=aSEE>>aSPEh
aSE=aSE<<ar3
aDE=aSE<<ar3
aDE=aSE<<<ar3
aDPEh=exp(aSE)
aDE=abs(aDE)
aDEE=min(aDPE,aDEE)
DAU flags are affected by the ALU or ALU/ACS operation (except for the split-mode function which does not affect the flags). If there is no ALU or
ALU/ACS operation, the DAU flags are affected by the ADDER or BMU operation.
If
auc0
[10] (FSAT field) is set, the result of the add/subtract of the first two operands is saturated to 32 bits prior to adding/subtracting the third operand
and the final result is saturated to 32 bits.
§ If
auc0
[9] = 1, the least significant bit of
p1>>15
is cleared.
This split-mode instruction does not affect the DAU flags. Do not set FSAT for this instruction because if FSAT is set, the entire 32 bits are saturated.
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