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[原创] Microchip PIC16LF1786低成本血糖仪设计方案

关键词:医疗电子 血糖仪 PIC16LF1786

时间:2015-10-26 11:19:41       作者:Microchip       来源:中电网

Microchip公司的PIC16LF1786是不8位MCU,工作频率高达32MHz,多达8KB闪存程序存储器,具有超低功耗管理,和多种模拟特性和外设特性.本文介绍了PIC16LF1786主要特性,框图和血糖仪设计主要特性,包括测试原理图,框图,设计指标,路图和PCB设计文件.

PIC16LF1786主要特性:

High-Performance RISC CPU:
• Only 49 Instructions
• Operating Speed:
- DC – 32 MHz clock input
- DC – 125 ns instruction cycle
• Interrupt Capability with Automatic ContextSaving
• 16-Level Deep Hardware Stack with optionalOverflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
• Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
Memory Features:
• Up to 8 KB Flash Program Memory:
- Self-programmable under software control
- Programmable code protection
- Programmable write protection
• 256 Bytes of Data EEPROM
• Up to 1024 Bytes of RAM
High-Performance PWM Controller:
• Three Programmable Switch Mode Controller(PSMC) modules:
- Digital and/or analog feedback control ofPWM frequency and pulse begin/end times
- 16-bit Period, Duty Cycle and Phase
- 16 ns clock resolution
- Supports Single PWM, Complementary,Push-Pull a..

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