參數(shù)資料
型號： ADSP-2192
廠商： Analog Devices, Inc.
元件分類： 數(shù)字信號處理
英文描述： DSP Microcomputer
中文描述： DSP微機
文件頁數(shù)： 2/40頁
文件大小： 1307K
代理商： ADSP-2192
ADSP-2192M
–2–
REV. 0
ADSP-2192M DUAL CORE DSP FEATURES (continued)
Eight Dedicated General-Purpose I/O Pins with Integrated
Interrupt Support
Each DSP Core Has a Programmable 32-Bit Interval Timer
Five DMA Channels Available on Each Core
Boot Methods Include Booting Through PCI Port, USB
Port, or Serial EEPROM
JTAG Test Access Port Supports On-Chip Emulation and
System Debugging
144-Lead LQFP Package
DSP CORE FEATURES
6.25 ns Instruction Cycle Time (Internal), for up to
160 MIPS Sustained Performance
ADSP-218x Family Code Compatible with the Same Easy
to Use Algebraic Syntax
Single-Cycle Instruction Execution
Dual Purpose Program Memory for Both Instruction and
Data Storage
Fully Transparent Instruction Cache Allows Dual Operand
Fetches in Every Instruction Cycle
Unified Memory Space Permits Flexible Address
Generation, Using Two Independent DAG Units
Independent ALU, Multiplier/Accumulator, and Barrel
Shifter Computational Units with Dual 40-Bit
Accumulators
Single-Cycle Context Switch between Two Sets of
Computational and DAG Registers
Parallel Execution of Computation and Memory
Instructions
Pipelined Architecture Supports Efficient Code Execution
at Speeds up to 160 MIPS
Register File Computations with All Nonconditional,
Nonparallel Computational Instructions
Powerful Program Sequencer Provides Zero-Overhead
Looping and Conditional Instruction Execution
Architectural Enhancements for Compiled C/C++ Code
Efficiency
Architecture Enhancements beyond ADSP-218x Family
are Supported with Instruction Set Extensions for
Added Registers, Ports, and Peripherals
TABLE OF CONTENTS
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . 3
DSP Core Architecture . . . . . . . . . . . . . . . . . . . . . . . 3
DSP Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Memory Architecture . . . . . . . . . . . . . . . . . . . . . . . . 4
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
DMA Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
External Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Internal Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Register Spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
CardBus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Using the PCI Interface . . . . . . . . . . . . . . . . . . . . . . . 7
Using the USB Interface . . . . . . . . . . . . . . . . . . . . . 13
General USB Device Definitions . . . . . . . . . . . . . . . 17
Sub-ISA Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 21
PCI Interface to DSP Memory . . . . . . . . . . . . . . . . 22
USB Interface to DSP Memory . . . . . . . . . . . . . . . . 22
AC’97 Codec Interface to DSP Memory . . . . . . . . . 22
Data FIFO Architecture . . . . . . . . . . . . . . . . . . . . . 22
System Reset Description . . . . . . . . . . . . . . . . . . . . 23
Power Management Description . . . . . . . . . . . . . . . 24
Power Regulators . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.5 V Regulator Options . . . . . . . . . . . . . . . . . . . . . 24
Low Power Operation . . . . . . . . . . . . . . . . . . . . . . . 25
Clock Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Instruction Set Description . . . . . . . . . . . . . . . . . . . 26
Development Tools . . . . . . . . . . . . . . . . . . . . . . . . . 26
Additional Information . . . . . . . . . . . . . . . . . . . . . . 28
PIN DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . 28
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 30
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . 31
ESD SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . . . 31
TIMING SPECIFICATIONS . . . . . . . . . . . . . . . . 31
Output Drive Currents . . . . . . . . . . . . . . . . . . . . . . 34
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Environmental Conditions . . . . . . . . . . . . . . . . . . . 35
144-Lead LQFP Pinout . . . . . . . . . . . . . . . . . . . . . 36
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . 38
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . 38
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