DSP56F827FG80E [NXP]

DSP56F827FG80E  Description

The 56F827 is a member of the 56800 core-based families of controllers. It combines, on a single chip, the processing power of a DSP and the functionality of a microcontroller with a flexible set of peripherals to create an extremely cost-effective solution for general purpose applications. Because of its low cost,

configuration flexibility, and compact program code, the 56F827 is well-suited for many applications. The 56F827 includes many peripherals that are especially useful for applications such as noise suppression, ID tag readers, sonic/subsonic detectors, security access devices, remote metering, sonic

alarms, and telephony.

The 56800 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 microprocessor-style programming model and optimized instruction set allow straightforward generation of efficient, compact code for both DSP and MCU applications. The instruction set is also highly efficient for C/C++ Compilers to enable the rapid development of optimized control applications. The 56F827 supports program execution from either internal or external memories. Two data operands can be accessed from the on-chip Data RAM per instruction cycle. The 56F827 also provides two external dedicated interrupt lines, and up to 64 General Purpose Input/Output (GPIO) lines, depending on peripheral configuration.

DSP56F827FG80E  Features

Efficient 16-bit 56800 family processor 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 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