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參數資料
| 型號： | ADSP-2195MKST-160X |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字信號處理 |
| 英文描述： | LM2991 Negative Low Dropout Adjustable Regulator; Package: TO-263; No of Pins: 5; Qty per Container: 45; Container: Rail |
| 中文描述： | 16-BIT, 160 MHz, OTHER DSP, PQFP144 |
| 封裝： | METRIC, PLASTIC, LQFP-144 |
| 文件頁數： | 2/68頁 |
| 文件大小： | 951K |
| 代理商： | ADSP-2195MKST-160X |
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For current information contact Analog Devices at 800/262-5643
ADSP-2195
September 2001
This information applies to a product under development. Its characteristics and specifications are subject to change with-
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
2
REV. PrA
ADSP-2195 DSP FEATURES
32K Words of On-Chip RAM, Configured as 16K Words
On-Chip 24-bit RAM and 16K Words On-Chip
16-bit RAM
16K Words of On-Chip 24-bit ROM
Architecture Enhancements beyond ADSP-218x Family
are Supported with Instruction Set Extensions for
Added Registers, Ports, and Peripherals
Flexible Power Management with Selectable
Power-Down and Idle Modes
Programmable PLL Supports 1 to 32 Frequency
Multiplication, Enabling Full-Speed Operation from
Low-Speed Input Clocks
2.5 V Internal Operation Supports 3.3 V Compliant I/O
Three Full-Duplex Multichannel Serial Ports, Each
Supporting H.100 Standard with A-Law and -Law
Companding in Hardware
Two SPI-Compatible Ports with DMA Capability
One UART Port with DMA Capability
16 General-Purpose I/O Pins (Eight Dedicated/Eight
Programmable from the External Memory Interface)
with Integrated Interrupt Support
Three Programmable 32-Bit Interval Timers with
Pulsewidth Counter, PWM Generation, and Externally
Clocked Timer Capabilities
Up to 11 DMA Channels can be Active at any Given Time
Host Port With DMA Capability for Efficient, Glueless Host
Interface (16-Bit Transfers)
External Memory Interface Features Include:
Direct Access from the DSP to External Memory for
Data and Instructions.
Support for DMA Block Transfers to/from
External Memory.
Separate Peripheral Memory Space with Parallel
Support for 224K External 16-Bit Registers.
Four General-Purpose Memory Select Signals that
Provide Access to Separate Banks of External
Memory. Bank Boundaries and Size Are User-
Programmable.
Programmable Waitstate Logic with ACK Signal and
Separate Read and Write Wait Counts. Wait Mode
Completion Supports All Combinations of ACK
and/or Wait Count.
I/O Clock Rate Can Be Set to the Peripheral Clock Rate
Divided by 1, 2, 4, 16, or 32 to Allow Interface to Slow
Memory Devices.
Address Translation and Data Word Packing is Provided
to Support an 8- or 16-Bit External Data Bus.
Programmable Read and Write Strobe Polarity.
Separate Configuration Registers for the Four
General-Purpose, Peripheral, and Boot
Memory Spaces.
Bus Request and Grant Signals Support the Use of the
External Bus by an External Device.
Boot Methods Include Booting Through External Memory
Interface, SPI Ports, UART Port, or Host Interface
IEEE JTAG Standard 1149.1 Test Access Port Supports
On-Chip Emulation and System Debugging
144-Lead LQFP Package (20
Mini-BGA Package (10
10
20
1.4 mm) and 144-Lead
1.25 mm)
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