參數(shù)資料
型號(hào)： SPAK56F807VF80
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號(hào)處理
英文描述： 16-BIT, 80 MHz, OTHER DSP, PBGA160
封裝： MOLD ARRAY PROCESS, BGA-160
文件頁數(shù)： 34/48頁
文件大?。?/td> 853K
代理商： SPAK56F807VF80
4
DSP56F807 Preliminary Technical Data
MOTOROLA
software routines that can be used to program the main program and data flash memory areas. Both program
and data flash memories can be independently bulk erased or erased in page sizes of 256 words. The Boot
Flash memory can also be either bulk or page erased.
A key application-specific feature of the DSP56F807 is the inclusion of two Pulse Width Modulator (PWM)
modules. These modules each incorporate three complementary, individually programmable PWM signal
outputs (each module is also capable of supporting six independent PWM functions for a total of 12 PWM
outputs) to enhance motor control functionality. Complementary operation permits programmable dead-
time insertion, distortion correction via current sensing by software, and separate top and bottom output
polarity control. The up-counter value is programmable to support a continuously variable PWM frequency.
Edge and center aligned synchronous pulse width control (0% to 100% modulation) is supported. The
device is capable of controlling most motor types: ACIM (AC Induction Motors), both BDC and BLDC
(Brush and Brushless DC motors), SRM and VRM (Switched and Variable Reluctance Motors), and stepper
motors. The PWMs incorporate fault protection and cycle-by-cycle current limiting with sufficient output
drive capability to directly drive standard optoisolators. A “smoke-inhibit”, write-once protection feature
for key parameters is also included. A patented PWM waveform distortion correction circuit is also
provided. Each PWM is double-buffered and includes interrupt controls to permit integral reload rates to be
programmable from 1 to 16. The PWM modules provide a reference output to synchronize the analog-to-
digital converters.
The DSP56F807 incorporates two separate Quadrature Decoders capable of capturing all four transitions on
the two-phase inputs, permitting generation of a number proportional to actual position. Speed computation
capabilities accommodate both fast and slow moving shafts. An integrated watchdog timer in the
Quadrature Decoder can be programmed with a timeout value to alarm when no shaft motion is detected.
Each input is filtered to ensure only true transitions are recorded.
This DSP controller also provides a full set of standard programmable peripherals that include two Serial
Communications Interfaces (SCI), one Serial Peripheral Interface (SPI), and four Quad Timers. Any of
these interfaces can be used as General-Purpose Input/Outputs (GPIO) if that function is not required. A
Controller Area Network interface (CAN Version 2.0 A/B compliant), an internal interrupt controller, and
14 dedicated GPIO lines are also included on the DSP56F807.
1.3 “Best in Class” Development Environment
The SDK (Software Development Kit) provides fully debugged peripheral drivers, libraries and interfaces
that allow programmers to create their unique C application code independent of component architecture.
The CodeWarrior Integrated Development Environment is a sophisticated tool for code navigation,
compiling, and debugging. A complete set of evaluation modules (EVMs) and development system cards
support concurrent engineering. Together, the SDK, CodeWarrior, and EVMs create a complete, scalable
tools solution for easy, fast, and efficient development.
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