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參數(shù)資料
型號(hào): ADSP-2171BS-104
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 13 MHz, OTHER DSP, PQFP128
封裝: PLASTIC, QFP-128
文件頁(yè)數(shù): 16/52頁(yè)
文件大小: 664K
代理商: ADSP-2171BS-104
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(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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ADSP-2171BST-104 制造商:Rochester Electronics LLC 功能描述:- Bulk
ADSP-2171BST-133 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 33.33MHz 33MIPS 128-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:16BIT FXD PT PROC 33 MIPS - Bulk 制造商:Analog Devices 功能描述:IC MICROCOMPUTER 16-BIT
ADSP-2171BSTZ-133 功能描述:IC DSP CONTROLLER 16BIT 128TQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號(hào)處理器) 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI,以太網(wǎng),RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA,F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA(20x20) 包裝:托盤
ADSP-2171BSZ-133 功能描述:IC DSP CONTROLLER 16BIT 128PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號(hào)處理器) 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點(diǎn) 接口:I²C,McASP,McBSP 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA,F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:548-FCBGA(27x27) 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA
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