Microchip PIC18(L)F25xx83系列MCU CAN应用方案

Microchip公司的PIC18(L)F25xx83系列是具有CAN技术的低功耗高性能微控制器(MCU),系列产品中具有多种通信外设如CAN,SPI,两个I2C,两个UART,LIN,DMX和DALI,可以处理智能应用的多种有线和无线通信协议.系统的核采用C汇编优化RISC架构,工作速度高达64MHz,指令周期62.5ns,有两个直接内存存取(DMA)控制器,主要用在汽车电子,工业应用和医疗电子市场.本文介绍了PIC18(L)FXXK83主要特性,框图以及Curiosity High Pin Count (HPC)开发板主要特性和电路图.
The PIC18(L)FXXK83 is a full-featured CAN product family that can be used in automotive and industrial applications.The multitude of communication peripherals found on the product family, such as CAN, SPI, two I2Cs, two UARTs, LIN,DMX, and DALI can handle a wide range of wired and wireless (using external modules) communication protocols forintelligent applications. This family includes a 12-bit ADC with Computation (ADC2) extensions for automated signalanalysis to reduce the complexity of the application. This, combined with the Core Independent Peripherals integrationcapabilities, enables functions for motor control, power supply, sensor, signal and user interface applications.
PIC18(L)FXXK83主要特性:
Core Features
• C Compiler Optimized RISC Architecture
• Operating Speed:
- Up to 64 MHz clock operation
- 62.5 ns minimum instruction cycle
• Two Direct Memory Access (DMA) Controllers:
- Data transfers to SFR/GPR spaces fromeither Program Flash Memory, DataEEPROM or SFR/GPR spaces
- User-programmable source and destinationsizes
- Hardware and software-triggered datatransfers
• System Bus Arbiter with User-ConfigurablePriorities for Scanner and DMA1/DMA2 with
respect to the main line and interrupt execution
• Vectored Interrupt Capability:
- Selectable high/low priority
- Fixed interrupt latency
- Programmable vector table base address
• 31-Level Deep Hardware Stack
• Low-Current Power-on Reset (POR)
• Configurable Power-up Timer (PWRT)<...