參數(shù)資料
型號： ADSP2104
廠商： Analog Devices, Inc.
英文描述： Low Cost DSP Microcomputers
中文描述： 低成本DSP單片機
文件頁數(shù)： 2/36頁
文件大?。?/td> 333K
代理商： ADSP2104
ADSP-2104/ADSP-2109
–2–
REV. 0
T he ADSP-2109 is a memory-variant version of the ADSP-
2104 and contains factory-programmed on-chip ROM program
memory.
T he ADSP-2109 eliminates the need for an external boot EPROM
in your system, and can also eliminate the need for any external
program memory by fitting the entire application program in
on-chip ROM. T his device provides an excellent option for
volume applications where board space and system cost constraints
are of critical concern.
Development T ools
T he ADSP-2104/ADSP-2109 processors are supported by a
complete set of tools for system development. T he ADSP-2100
Family Development Software includes C and assembly
language tools that allow programmers to write code for any
ADSP-21xx processor. T he ANSI C compiler generates ADSP-
21xx assembly source code, while the runtime C library provides
ANSI-standard and custom DSP library routines. T he ADSP-
21xx assembler produces object code modules which the linker
combines into an executable file. T he processor simulators provide
an interactive instruction-level simulation with a reconfigurable,
windowed user interface. A PROM splitter utility generates
PROM programmer compatible files.
EZ-ICE
in-circuit emulators allow debugging of ADSP-2104
systems by providing a full range of emulation functions such as
modification of memory and register values and execution
breakpoints. EZ-LAB
demonstration boards are complete DSP
systems that execute EPROM-based programs.
T he EZ-K it Lite is a very low cost evaluation/development
platform that contains both the hardware and software needed
to evaluate the ADSP-21xx architecture.
Additional details and ordering information is available in the
ADSP-2100 Family Software & Hardware Development Tools
data
sheet (ADDS-21xx-T OOLS). T his data sheet can be requested
from any Analog Devices sales office or distributor.
Additional Information
T his data sheet provides a general overview of ADSP-2104/
ADSP-2109 processor functionality. For detailed design
information on the architecture and instruction set, refer to the
ADSP-2100 Family User’s Manual
, available from Analog
Devices.
SPECIFICAT IONS (ADSP-2104L/ADSP-2109L) . . . . . . 16
Recommended Operating Conditions . . . . . . . . . . . . . . . . 16
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Supply Current & Power . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power Dissipation Example . . . . . . . . . . . . . . . . . . . . . . . . 18
Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 18
Capacitive Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
T est Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
T IMING PARAMET ERS (ADSP-2104/ADSP-2109) . . . . . 20
Clock Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Interrupts & Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Bus Request–Bus Grant . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Memory Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Memory Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
T IMING PARAMET ERS (ADSP-2104L/ADSP-2109L) . . 27
Clock Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Interrupts & Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Bus Request–Bus Grant . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Memory Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Memory Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
PIN CONFIGURAT IONS
68-Lead PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
PACK AGE OUT LINE DIMENSIONS
68-Lead PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
EZ-ICE and EZ-LAB are registered trademarks of Analog Devices, Inc.
T ABLE OF CONT E NT S
GENERAL DESCRIPT ION . . . . . . . . . . . . . . . . . . . . . . . . 1
Development T ools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ARCHIT ECT URE OVERVIEW . . . . . . . . . . . . . . . . . . . . 3
Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SYST EM INT ERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Clock Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Program Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . 6
Program Memory Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Data Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Data Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Boot Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Low Power IDLE Instruction . . . . . . . . . . . . . . . . . . . . . . . 8
ADSP-2109 Prototyping . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Procedure for ADSP-2109 ROM Processors . . . . 9
Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SPECIFICAT IONS (ADSP-2104/ADSP-2109) . . . . . . . . 12
Recommended Operating Conditions . . . . . . . . . . . . . . . . 12
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Supply Current & Power . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power Dissipation Example . . . . . . . . . . . . . . . . . . . . . . . . 14
Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 14
Capacitive Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
T est Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADSP-2104 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost DSP Microcomputers
ADSP-2104BP-80 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 20MHz 20MIPS 68-Pin PLCC 制造商:Analog Devices 功能描述:IC MICROCOMPUTER 16-BIT
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ADSP-2104KP-80 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 20MHz 20MIPS 68-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:Low cost DSP microcomputer 1 timer 4.5
ADSP-2104L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ADSP-2104/ADSP-2104L: Low Cost DSP Microcomputers Data Sheet (Rev. 0. 7/96)
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