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ADMCF341 bảng dữ liệu(PDF) 1 Page - Analog Devices

tên linh kiện ADMCF341
Giải thích chi tiết về linh kiện  28-Lead Flash and ROM Memory, Mixed-Signal DSPs with Enhanced Analog Front End
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ADMCF341 bảng dữ liệu(HTML) 1 Page - Analog Devices

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A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
ADMC(F)341
DashDSP® 28-Lead Flash and
ROM Memory, Mixed-Signal DSPs
with Enhanced Analog Front End
a
FUNCTIONAL BLOCK DIAGRAM
DSP is a registered trademark of Analog Devices, Inc.
FEATURES
20 MHz Fixed-Point DSP Core
Single-Cycle Instruction Execution (50 ns)
ADSP-21xx Family Code Compatibility
Independent Computational Units
ALU, Multiplier/Accumulator, Barrel Shifter
Multifunction Instructions
Single-Cycle Context Switch
Powerful Program Sequencer
Zero Overhead Looping
Conditional Instruction Execution
2 Independent Data Address Generators
Memory Configuration
512
16-Bit Data Memory RAM
512
24-Bit Program Memory RAM
4K
24-Bit Program Memory ROM
4K
24-Bit Program Flash Memory (ADMCF341 Only)
3 Independent Flash Memory Sectors
3584
24-Bit, 256
24-Bit, 256
24-Bit
Low Cost, Pin Compatible ROM Option
16-Bit Watchdog Timer
Programmable 16-Bit Internal Timer with Prescaler
2 Double-Buffered Serial Ports with SPI Mode Support
Integrated Power-On Reset Function
3-Phase 16-Bit PWM Generation Unit:
16-Bit Center-Based PWM Generator
Programmable PWM Pulsewidth
Edge Resolution to 50 ns
153 Hz Minimum Switching Frequency
Double/Single Duty Cycle Update Mode Control
Individual Enable and Disable for Each PWM Output
High Frequency Chopping Mode for Transformer
Coupled Gate Drives
External PWMTRIP Pin
Integrated 6-Channel ADC Subsystem
3 Bipolar ISENSE Inputs with Programmable
Sample-and-Hold Amplifier and Overcurrent
Protection (Usable as 3 Dedicated Analog Inputs)
Muxed Auxiliary Analog Inputs
Internal Voltage Reference (2.5 V)
Acquisition Synchronized to PWM Switching
Frequency
9-Pin Digital I/O Port
Bit Configurable as Input or Output
Change of State Interrupt Support
2 16-Bit Auxiliary PWM Timers
Synthesized Analog Output
Programmable Frequency
0% to 100% Duty Cycle
2 Programmable Operational Modes
Independent Mode/Offset Mode
Motor Types
Permanent Magnet Synchronous Motors (PMSM)
Brushless DC Motors (BDCM)
AC Induction Motors (ACIM)
APPLICATIONS
Refrigerator and Air Conditioner Compressors
Washing Machines
Industrial Variable Speed Drives
HVAC
ISENSE AMP
AND TRIP
PROGRAM
SEQUENCER
DAG 2
DAG 1
DATA
ADDRESS
GENERATORS
ADSP-21xx BASE
ARCHITECTURE
PROGRAM MEMORY ADDRESS
MEMORY BLOCK
PROGRAM FLASH
OR ROM MEMORY
4k
24-BIT
DATA MEMORY ADDRESS
DATA MEMORY DATA
ARITHMETIC UNITS
SHIFTER
ALU
MAC
POR
TIMER
SERIAL PORT
SPORT 1
SPORT 0
PIO
2
16-BIT
AUX
PWM
WATCH-
DOG
TIMER
ANALOG
INPUTS
VREF
2.5V
SHA
TIMERS
PROGRAM MEMORY DATA
16-BIT
THREE-
PHASE
PWM
MULTIPLEXED ON EXTERNAL PINS
7
9
2
3
3
6
MOTOR CONTROL PERIPHERALS
ADC SUBSYSTEM


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