Microchip PIC32系列MCU以太网开发方案

Microchip公司的PIC32系列32位MCU基于MIPS microAptiv或M4K内核,集成了多达256KB闪存和64KB SRAM以及音频和图像接口,USB和先进的模拟器件,提供高性能和开发嵌入系统所需的所有工具,主要用在高紧凑的图像/用户接口,以太网/USB/CAN连接,多任务嵌入控制和高性能音频.本文介绍了PIC32系列MCU主要特性,框图,MIPS32 M4K处理器核框图以及PIC32以太网入门板主要特性,框图,电路图和材料清单与PCB设计图.
Microchip’s 32-bit portfolio with the MIPS microAptiv or M4K core offer high performance microcontrollers, and all the tools needed to develop your embedded projects. With MPLAB® Harmony software framework, low cost development tools, and pin/peripheral compatibility from 16-bit product lines, PIC32 MCUs shorten time to market and allow your designs to grow. PIC32 gives your application the processing power, memory and peripherals your design needs!
PIC32系列主要特性:
• 5-stage pipeline
• 32-bit address and data paths
• MIPS32 Enhanced Architecture (Release 2)
- Multiply-accumulate and multiply-subtractinstructions
- Targeted multiply instruction
- Zero/One detect instructions
- WAIT instruction
- Conditional move instructions (MOVN, MOVZ)
- Vectored interrupts
- Programmable exception vector base
- Atomic interrupt enable/disable
- Bit field manipulation instructions
• MIPS16e® code compression
- 16-bit encoding of 32-bit instructions toimprove code density
- Special PC-relative instructions for efficientloading of addresses and constants
- SAVE and RESTORE macro instructions forsetting up and tearing down stack frameswithin subroutines
- Improved support for handling 8 and 16-bitdata types
• Simple Fixed Mapping Translation (FMT)mechanism
• Simple dual bus interface
- Independent 32-bit address and data buses
- Transactions can be aborted to improveinterrupt latency
• Autonomous multiply/divide unit
- Maximum issue rate of one 32x16 multiplyper clock
- Maximu...