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D950-CORE データシート(PDF) 48 Page - STMicroelectronics

部品番号 D950-CORE
部品情報  16-Bit Fixed Point Digital Signal Processor DSP Core
PDF  89 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

D950-CORE データシート(HTML) 48 Page - STMicroelectronics

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D950-Core
Three-word Operand (oper_3)
ADD
Addition
ADDCAddition with Carry
ADDS
Addition with Shift
AND
Logical AND
CMP
Compare
CMPS
Compare Sign
OR
Logical OR
SUB
Subtraction
SUBC
Subtraction with Carry
SUBR
Reversed Subtraction
SUBRC
Reversed Subtraction with Carry
SUBRS
Reversed Subtraction with Shift
SUBS
Subtraction with Shift
XOR
Exclusive OR
Figure 5.7
ALU Three-Word Operand (oper_3)
Ai = Lj oper_3 Rk
(CCR)* Rj
Ak
Aj
P
Ai = Lj oper_3 Ai
(CCR)* P
,
Lp = *AXm + IXs
Ai = Rk oper_3 Ai
(CCR)* P
,
Rq = *AYn + IYr
,
,
,
,
A1=L1 oper_3 R1
(CCR)*
Li = *AX1 + IX3
Rj = *AY1 + IY3
*AY1 + IY3 = A1H
A1 = L1 oper_3 R1
(CCR)*
A1
Li = *AX1 + IX3
Ai = Lj oper_3 Rk
(CCR)* P
Ai = Aj oper_3 Ak
(CCR)*
,
*AXm + IXs = ApH
*AYn + IYr = ApH
,
,
*AX1 + IX3 = A1H
A1 = L1 oper_3 R1
(CCR)* A1
P
Ri = *AY1 + IY3
VR02018F
(CCR)* is used in place of Ai or A1 when instruction=CMP or CMPS
6



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