A Comprehensive Guide To MC56F8366VFVE Microcontroller IC 16-Bit 60MHz 512KB (256K x 16) FLASH 144-LQFP (20x20)

56800E 56F8xxx Microcontroller IC 16-Bit 60MHz 512KB (256K x 16) FLASH 144-LQFP (20x20)

Device Description

The 56F8366 and 56F8166 are members of the 56800E core-based family of controllers. Each combines,

on a single chip, the processing power of a Digital Signal Processor (DSP) and the functionality of a

microcontroller with a flexible set of peripherals to create an extremely cost-effective solution. Because

of its low cost, configuration flexibility, and compact program code, the 56F8366 and 56F8166 are

well-suited for many applications. The devices include many peripherals that are especially useful for

motion control, smart appliances, steppers, encoders, tachometers, limit switches, power supply and

control, automotive control (56F8366 only), engine management, noise suppression, remote utility

metering, industrial control for power, lighting, and automation applications.

The 56800E core is based on a Harvard-style architecture consisting of three execution units operating in

parallel, allowing as many as six operations per instruction cycle. The MCU-style programming model and

optimized instruction set allow straightforward generation of efficient, compact DSP and control code.

The instruction set is also highly efficient for C/C++ Compilers to enable rapid development of optimized

control applications.

The 56F8366 and 56F8166 support program execution from either internal or external memories. Two

data operands can be accessed from the on-chip data RAM per instruction cycle. These devices also

provides two external dedicated interrupt lines and up to 62 General Purpose Input/Output (GPIO) lines,

depending on peripheral configuration.

56F8366 Features

The 56F8366 hybrid controller includes 512KB of Program Flash and 32KB of Data Flash (each

programmable through the JTAG port) with 4KB of Program RAM and 32KB of Data RAM. It also

supports program execution from external memory.

A total of 32KB of Boot Flash is incorporated for easy customer inclusion of field-programmable 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 pages. Program Flash page erase size

is 1KB. Boot and Data Flash page erase size is 512 bytes. The Boot Flash memory can also be either bulk

or page erased.

A key application-specific feature of the 56F8366 is the inclusion of two Pulse Width Modulator (PWM)

modules. These modules each incorporate three complementary, individually programmable PWM signal

output pairs (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-aligned 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 reference outputs to

synchronize the Analog-to-Digital Converters through two channels of Quad Timer C.

The 56F8366 incorporates two 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 time-out value to alert when no shaft motion is detected.

Each input is filtered to ensure only true transitions are recorded.

This controller also provides a full set of standard programmable peripherals that include two Serial

Communications Interfaces (SCIs), two Serial Peripheral Interfaces (SPIs), and four Quad Timers. Any of

these interfaces can be used as General-Purpose Input/Outputs (GPIOs) if that function is not required.

Two Flex Controller Area Network (FlexCAN) interfaces (CAN Version 2.0 B-compliant) and an internal

interrupt controller are included on the 56F8366.

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