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| 型號： | ADSP-21990BSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/50頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DSP CONTROLLER 16BIT 176-LQFP |
| 產(chǎn)品變化通告： | Product Discontinuance 27/Oct/2011 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ADSP-21xx |
| 類型： | 定點 |
| 接口： | SPI，SSP |
| 時鐘速率： | 160MHz |
| 非易失內(nèi)存： | 外部 |
| 芯片上RAM： | 20kB |
| 電壓 - 輸入/輸出： | 3.30V |
| 電壓 - 核心： | 2.50V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 176-LQFP |
| 供應(yīng)商設(shè)備封裝： | 176-LQFP（24x24） |
| 包裝： | 托盤 |
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ADSP-21990
Rev. A
|
Page 15 of 50
|
August 2007
VCSE is a Analog Devices technology for creating, using, and
reusing software components (independent modules of sub-
stantial functionality) to quickly and reliably assemble software
applications. The user can download components from the
Web, drop them into the application and publish component
archives from within VisualDSP++. VCSE supports component
implementation in C/C++ or assembly language.
Use the Expert Linker to visually manipulate the placement of
code and data on the embedded system. View memory utiliza-
tion in a color-coded graphical form, easily move code and data
to different areas of the DSP or external memory with the drag
of the mouse, and examine runtime stack and heap usage. The
Expert Linker is fully compatible with existing Linker Definition
File (LDF), allowing the developer to move between the graphi-
cal and textual environments.
DSP emulators from Analog Devices use the IEEE 1149.1 JTAG
test access port of the ADSP-21990 processor to monitor and
control the target board processor during emulation. The emu-
lator provides full speed emulation, allowing inspection and
modification of memory, registers, and processor stacks. Non-
intrusive in-circuit emulation is assured by the use of the
processor JTAG interface—target system loading and timing are
not affected by the emulator.
In addition to the software and hardware development tools
available from Analog Devices, third parties provide a wide
range of tools supporting the ADSP-21xx processor family.
Hardware tools include ADSP-21xx DSP PC plug-in cards.
Third-party software tools include DSP libraries, real-time
operating systems, and block diagram design tools.
DESIGNING AN EMULATOR-COMPATIBLE DSP
BOARD
The Analog Devices family of emulators are tools that every
DSP developer needs to test and debug hardware and software
systems. Analog Devices has supplied an IEEE 1149.1 JTAG test
access port (TAP) on each JTAG DSP. The emulator uses the
TAP to access the internal features of the DSP, allowing the
developer to load code, set breakpoints, observe variables,
observe memory, and examine registers. The DSP must be
halted to send data and commands, but once an operation has
been completed by the emulator, the DSP system is set running
at full speed with no impact on system timing.
To use these emulators, the target board must include a header
that connects the DSP JTAG port to the emulator.
For details on target board design issues including mechanical
layout, single processor connections, multiprocessor scan
chains, signal buffering, signal termination, and emulator pod
logic, see the EE-68: Analog Devices JTAG Emulation Technical
Reference on the Analog Devices website (www.analog.com)—
use site search on “EE-68.” This document is updated regularly
to keep pace with improvements to emulator support.
ADDITIONAL INFORMATION
This data sheet provides a general overview of the ADSP-21990
architecture and functionality. For detailed information on the
ADSP-21990 embedded DSP core architecture, instruction set,
communications ports and embedded control peripherals, refer
to the ADSP-2199x Mixed Signal DSP Controller Hardware
Reference.
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| ADSP-21991BBC | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 150MHz 150MIPS 196-Pin Mini-BGA |
| ADSP-21991BBCZ | 功能描述:IC DSP CTLR 16BIT 196CSPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 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-21991BST | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 160MHz 160MIPS 176-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:HIGH PERFORMANCE MIXED SIGNAL DSP - Bulk |
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| ADSP-21992BBC | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 150MHz 150MIPS 196-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:MIXED SIGNAL DSP W/32K DM RAM& 16K PMRAM - Bulk |
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