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參數(shù)資料
型號: ADSP-2172
廠商: Analog Devices, Inc.
英文描述: DSP Microcomputer(DSP 微計算機)
中文描述: 微機的DSP(數(shù)字信號處理器微計算機)
文件頁數(shù): 16/52頁
文件大小: 685K
代理商: ADSP-2172
REV. A
–16–
ADSP-2171/ADSP-2172/ADSP-2173
E xample Code
T he following example is a code fragment that performs the
filter tap update for an adaptive (least-mean-squared algorithm)
filter. Notice that the computations in the instructions are
written like algebraic equations.
MF=MX 0*MY1 (RND), MX 0=DM (I2,M1);
MR=MX 0*MF (RND), AY0=PM (I6,MS);
DO adapt UNT IL CE;
AR=MR1 + AY0, MX 0=DM (I2,M1), AY0=PM (I6,M7);
adapt:
PM(I6,M6) =AR, MR=MX 0*MF (RND);
MODIFY (I2, M3);
MODIFY (I6, M7);
/* MF=error*beta */
/* Point to oldest data */
/* Point to start of data */
Interrupt E nable
T he ADSP-217x supports an interrupt enable instruction. Inter-
rupts are enabled by default at reset. T he instruction source
code is specified as follows:
Syntax:
ENA INT S;
Description:
Executing the ENA INT S instruction allows all
unmasked interrupts to be serviced again.
Interrupt Disable
T he ADSP-217x supports an interrupt disable instruction. T he
instruction source code is specified as follows:
Syntax:
DIS INT S;
Description:
Reset enables interrupt servicing. Executing the
DIS INT S instruction causes all interrupts to be
masked without changing the contents of the
IMASK register. Disabling interrupts does not
affect the autobuffer circuitry, which will operate
normally whether or not interrupts are enabled.
T he disable interrupt instruction masks all user
interrupts including the powerdown interrupt.
相關PDF資料
PDF描述
ADSP-2173 DSP Microcomputer(DSP 微計算機)
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相關代理商/技術參數(shù)
參數(shù)描述
ADSP-2173 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
ADSP-2173BS-80 制造商:Rochester Electronics LLC 功能描述:- Bulk
ADSP-2173BST-80 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 20MHz 20MIPS 128-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:16BIT FXD PT PROC 3.3V - Bulk
ADSP-2176-760040 制造商:Analog Devices 功能描述:
ADSP-2176-760061 制造商:Analog Devices 功能描述:
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