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參數資料
| 型號： | ADSP21020 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數字信號處理 |
| 英文描述： | 32/40-Bit IEEE Floating-Point DSP Microprocessor |
| 中文描述： | 32/40 IEEE浮點DSP微處理器 |
| 文件頁數： | 10/32頁 |
| 文件大小： | 425K |
| 代理商： | ADSP21020 |
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ADSP-21020
REV. C
–10–
Table V. Multiplier Compute Operations
Rn
MRF
MRB
Rn
Rn
MRF
MRB
Rn
Rn
MRF
MRB
MRF
MRB
MRxF
MRxB
= Rx * Ry (
S
= Rx * Ry
(
U U I
= Rx * Ry
( U U
FR
= MRF + Rx * Ry (
S
= MRB
+ Rx * Ry (
U U I
= MRF
+ Rx * Ry ( U U
FR
= MRB
= SAT MRF
(
SI
)
= SAT MRB
(
UI
)
= SAT MRF
(
SF
)
= SAT MRB
(
UF
)
= 0
S
F
)
Fn
= Fx * Fy
S
F
)
Rn
Rn
MRF = MRF
= Rx * Ry
(
U U I
FR
MRB = MRB
Rn
= RND MRF
Rn
= RND MRB
MRF = RND MRF
MRB = RND MRB
= MRF
= MRB
= Rx * Ry
(
U U I
– Rx * Ry (
S
S
F
)
(
SF
)
(
UF
)
= Rn
Rn
Rn
=
=
MRxF
MRxB
Rn, Rx, Ry
Fn, Fx, Fy
MRxF
MRxB
( x-input
( x-input
S
U
I
F
FR
(SF)
(SSF)
R15–R0; register file location, fixed-point
F15–F0; register file location, floating-point
MR2F, MR1F; MR0F; multiplier result accumulators, foreground
MR2B, MR1B, MR0B; multiplier result accumulators, background
y-input
data format, )
y-input
rounding
Signed input
Unsigned input
Integer input(s)
Fractional input(s)
Fractional inputs, Rounded output
Default format for 1-input operations
Default format for 2-input operations
Table VI. Shifter and Shifter Immediate Compute Operations
Shifter
Shifter Immediate
Rn = LSHIFT Rx BY Ry
Rn = Rn OR LSHIFT Rx BY Ry
Rn = ASHIFT Rx BY Ry
Rn = Rn OR ASHIFT Rx BY Ry
Rn = ROT Rx BY RY
Rn = BCLR Rx BY Ry
Rn = BSET Rx BY Ry
Rn = BTGL Rx BY Ry
BTST Rx BY Ry
Rn = FDEP Rx BY Ry
Rn = Rn OR FDEP Rx BY Ry
Rn = FDEP Rx BY Ry (SE)
Rn = Rn OR FDEP Rx BY Ry (SE)
Rn = FEXT Rx BY Ry
Rn = FEXT Rx BY Ry (SE)
Rn = EXP Rx
Rn = EXP Rx (EX)
Rn = LEFTZ Rx
Rn = LEFTO Rx
Rn = LSHIFT Rx BY<data8>
Rn = Rn OR LSHIFT Rx BY<data8>
Rn = ASHIFT Rx BY<data8>
Rn = Rn OR ASHIFT Rx BY<data8>
Rn = ROT Rx BY<data8>
Rn = BCLR Rx BY<data8>
Rn = BSET Rx BY<data8>
Rn = BTGL Rx BY<data8>
BTST Rx BY<data8>
Rn = FDEP Rx BY <bit6>: <len6>
Rn = Rn OR FDEP Rx BY <bit6>:<1en6>
Rn = FDEP Rx BY <bit6>:<1en6> (SE)
Rn = Rn OR FDEP Rx BY <bit6>:<1en6> (SE)
Rn = FEXT Rx BY <bit6>:<1en6>
Rn = FEXT Rx BY <bit6>:<1en6> (SE)
Rn, Rx, Ry
<bit6>:<len6> 6-bit immediate bit position and length values (for shifter immediate operations)
R15-R0; register file location, fixed-point
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| ADT14 | Circular Connector; No. of Contacts:61; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:25-61 |
相關代理商/技術參數 |
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|---|---|
| ADSP-21020 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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| ADSP-21020BG-120 | 制造商:AD 制造商全稱:Analog Devices 功能描述:32/40-Bit IEEE Floating-Point DSP Microprocessor |
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| ADSP-21020KG-100 | 制造商:AD 制造商全稱:Analog Devices 功能描述:32/40-Bit IEEE Floating-Point DSP Microprocessor |
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