56F801 General Description

? Up to 30 MIPS operation at 60MHz core frequency

? Up to 40 MIPS operation at 80MHz core frequency

? DSP and MCU functionality in a unified, C-efficient architecture

? MCU-friendly instruction set supports both DSP and controller functions: MAC, bit manipulation unit, 14

addressing modes

? Hardware DO and REP loops

? 6-channel PWM Module

? Two 4-channel, 12-bit ADCs

? Serial Communications Interface (SCI)

? Serial Peripheral Interface (SPI)

?8K ×16-bit words (16KB) Program Flas

?1K ×16-bit words (2KB) Program RAM

?2K ×16-bit words (4KB) Data Flash

?1K ×16-bit words (2KB) Data RAM

?2K ×16-bit words (4KB) Boot Flash

? General Purpose Quad Timer

? JTAG/OnCETM port for debugging

? On-chip relaxation oscillator

? 11 shared GPIO

? 48-pin LQFP Package

56F801 Features

Digital SignalProcessing Core

? Efficient 16-bit 56800 family controller engine with dual Harvard architecture

? As many as 40 Million Instructions Per Second (MIPS) at 80MHz core frequency

? Single-cycle 16 ×16-bit parallel Multiplier-Accumulator (MAC)

? Two 36-bit accumulators including extension bits

? 16-bit bidirectional barrel shifter

? Parallel instruction set with unique processor addressing modes

? Hardware DO and REP loops

? Three internal address buses and one external address bus

? Four internal data buses and one external data bus

? Instruction set supports both DSP and controller functions

? Controller style addressing modes and instructions for compact code

? Efficient C compiler and local variable support

? Software subroutine and interrupt stack with depth limited only by memory

? JTAG/OnCE debug programming interface

Memory

? Harvard architecture permits as many as three simultaneous accesses to Program and Data memory

? On-chip memory including a low-cost, high-volume Flash solution

—8K ×16 bit words of Program Flash

—1K ×16-bit words of Program RAM

—2K ×16-bit words of Data Flash

—1K ×16-bit words of Data RAM

—2K ×16-bit words of Boot Flash

? Programmable Boot Flash supports customized boot code and field upgrades of stored code through a variety of interfaces (JTAG, SPI)

Peripheral Circuits for 56F801

? Pulse Width Modulator (PWM) with six PWM outputs, two Fault inputs, fault-tolerant design with deadtime

insertion; supports both center- and edge-aligned modes

? Two 12-bit, Analog-to-Digital Converters (ADCs), which support two simultaneous conversions with two

4-multiplexed inputs; ADC and PWM modules can be synchronized

? General Purpose Quad Timer: Timer D with three pins (or three additional GPIO lines)

? Serial Communication Interface (SCI) with two pins (or two additional GPIO lines)

? Serial Peripheral Interface (SPI) with configurable four-pin port (or four additional GPIO lines)