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ADMC331-PB 데이터시트 PDF




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기능 Single Chip DSP Motor Controller
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ADMC331-PB 데이터시트, 핀배열, 회로
a
TARGET APPLICATIONS
Washing Machines, Refrigerator Compressors, Fans,
Pumps, Industrial Variable Speed Drives
FEATURES
26 MIPS Fixed-Point DSP Core
Single Cycle Instruction Execution (38.5 ns)
ADSP-2100 Family Code Compatible
Independent Computational Units
ALU
Multiplier/Accumulator
Barrel Shifter
Multifunction Instructions
Single Cycle Context Switch
Powerful Program Sequencer
Zero Overhead Looping
Conditional Instruction Execution
Two Independent Data Address Generator
Memory Configuration
2K ؋ 24-Bit Program Memory RAM
2K ؋ 24-Bit Program Memory ROM
1K ؋ 16-Bit Data Memory RAM
Three-Phase 16-Bit PWM Generator
16-Bit Center-Based PWM Generator
Programmable Deadtime and Narrow Pulse Deletion
Single Chip DSP
Motor Controller
ADMC331
Edge Resolution to 38.5 ns
198 Hz Minimum Switching Frequency
Double/Single Duty Cycle Update Mode Control
Programmable PWM Pulsewidth
Suitable for AC Induction and Synchronous Motors
Special Signal Generation for Switched Reluctance
Motors
Special Crossover Function for Brushless DC Motors
Individual Enable and Disable for all PWM Outputs
High Frequency Chopping Mode for Transformer
Coupled Gate Drives
Hardwired Polarity Control
External PWMTRIP Pin
Seven Analog Input Channels
Acquisition Synchronized to PWM Switching
Frequency
Conversion Speed Control
24 Bits of Digital I/O Port
Bit Configurable as Input or Output
Change of State Interrupt Support
Two 8-Bit Auxiliary PWM Timers
Synchronized Analog Output
Programmable Frequency
0% to 100% Duty Cycle
FUNCTIONAL BLOCK DIAGRAM
(Continued on page 7)
ADSP-2100 BASE
ARCHITECTURE
DATA
ADDRESS
GENERATORS
DAG 1 DAG 2
PROGRAM
SEQUENCER
PROGRAM
ROM
2K ؋ 24
PROGRAM
RAM
2K ؋ 24
MEMORY
DATA
RAM
1K ؋ 16
WATCH-
DOG
TIMER
24-BIT
PIO
PROGRAM MEMORY ADDRESS
DATA MEMORY ADDRESS
PROGRAM MEMORY DATA
DATA MEMORY DATA
ARITHMETIC UNITS
ALU MAC SHIFTER
SERIAL PORTS
SPORT 0 SPORT 1
TIMER
2 ؋ 8 BIT
AUX
PWM
7
ANALOG
INPUTS
16-BIT
3-PHASE
PWM
REV. B
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
which 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 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000




ADMC331-PB pdf, 반도체, 판매, 대치품
ADMC331
Parameter
Serial Ports
Timing Requirements:
tSCK SCLK Period
tSCS DR/TFS/RFS Setup before SCLK Low
tSCH DR/TFS/RFS Hold after SCLK Low
tSCP SCLKIN Width
Switching Characteristics:
tCC
tSCDE
CLKOUT High to SCLKOUT
SCLK High to DT Enable
tSCDV
tRH
tRD
SCLK High to DT Valid
TFS/RFSOUT Hold after SCLK High
TFS/RFSOUT Delay from SCLK High
tSCDH
tSCDD
tTDE
DT Hold after SCLK High
SCLK High to DT Disable
TFS (Alt) to DT Enable
tTDV TFS (Alt) to DT Valid
tRDV RFS (Multichannel, Frame Delay Zero) to DT Valid
Min
100
15
20
40
0.25 tCK
0
0
0
0
Max
Unit
0.25 tCK + 20
30
30
30
25
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLKOUT
SCLK
DR
RFSIN
TFSIN
RFSOUT
TFSOUT
DT
TFS
(ALTERNATE
FRAME MODE)
RFS
(MULTICHANNEL MODE,
FRAME DELAY 0 [MFD = 0])
tCC tCC
tSCS tSCH
t SCK
t SCP
t SCP
t RD
t RH
t SCDE
t SCDV
t TDE
t TDV
t SCDH
t SCDD
t RDV
Figure 2. Serial Ports
–4– REV. B

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ADMC331-PB 전자부품, 판매, 대치품
ADMC331
(Continued from page 1)
Two Programmable Operational Modes
Independent Mode
Offset Mode
16-Bit Watchdog Timer
Programmable 16-Bit Internal Timer with Prescaler
Two Double Buffered Synchronous Serial Ports
Four Boot Load Protocols via SPORT1
E2PROM/SROM Booting
UART Booting (SCI Compatible) with Autobaud
Feature
Synchronous Master Booting with Autobaud Feature
Synchronous Slave Booting with Autobaud Feature
Debugger Interface via SPORT1 with Autobaud (UART
and Synchronous Supported)
ROM Utilities
Full Debugger for Program Development
Preprogrammed Math Functions
Preprogrammed Motor Control Functions—Vector
Transformations
80-Lead TQFP Package
Industrial Temperature Range –40؇C to +85؇C
GENERAL DESCRIPTION
The ADMC331 is a low cost, single-chip DSP-based controller,
suitable for ac induction motors, permanent magnet synchro-
nous motors, brushless dc motors, and switched reluctance
motors. The ADMC331 integrates a 26 MIPS, fixed-point DSP
core with a complete set of motor control peripherals that per-
mits fast, efficient development of motor controllers.
The DSP core of the ADMC331 is the ADSP-2171, which is
completely code compatible with the ADSP-2100 DSP family
and combines three computational units, data address genera-
tors and a program sequencer. The computational units com-
prise an ALU, a multiplier/accumulator (MAC) and a barrel
shifter. The ADSP-2171 adds new instructions for bit manipula-
tion, multiplication (X squared), biased rounding and global
interrupt masking. In addition, two flexible, double-buffered,
bidirectional, synchronous serial ports are included in the
ADMC331.
The ADMC331 provides 2K × 24-bit program memory RAM,
2K × 24-bit program memory ROM and 1K × 16-bit data
memory RAM. The program and data memory RAM can be
boot loaded through the serial port from a Serial ROM (SROM),
E2PROM, asynchronous (UART) connection or synchronous
connection. The program memory ROM includes a monitor
that adds software debugging features through the serial port. In
addition, a number of preprogrammed mathematical and motor
control functions are included in the program memory ROM.
The motor control peripherals of the ADMC331 include a
16-bit center-based PWM generation unit that can be used to
produce high accuracy PWM signals with minimal processor
overhead and seven analog input channels. The device also
contains two auxiliary 8-bit PWM channels, a 16-bit watch-
dog timer and expanded capability through the serial ports
and 24-bit digital I/O ports.
REV. B
–7–

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Single Chip DSP Motor Controller

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