56F826 General Description

? Up to 40 MIPS at 80MHz core frequency

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

? Hardware DO and REP loops

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

? 31.5K × 16-bit words (64KB) Program Flash

? 512 × 16-bit words (1KB) Program RAM

? 2K × 16-bit words (4KB) Data Flash

? 4K × 16-bit words (8KB) Data RAM

? 2K × 16-bit words (4KB) BootFLASH

? Up to 64K × 16-bit words each of external memory expansion for Program and Data memory

? One Serial Port Interface (SPI)

? One additional SPI or two optional Serial Communication Interfaces (SCI)

? One Synchronous Serial Interface (SSI)

? One General Purpose Quad Timer

? JTAG/OnCE? for debugging

? 100-pin LQFP Package

? 16 dedicated and 30 shared GPIO

? Time-of-Day (TOD) Timer

56F826 Features

Processing 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