Giới thiệu PIC 16F877A-I/PT TQFP44 vi điều khiển vi xử lý microchip
Công dụng: - Ứng dụng trong các mạch điện tử - Ứng dụng trong nhiều mạch bán dẫn - Thay thế IC bị hỏng Thông số kỹ thuật High-Performance RISC CPU: • Only 35 single-word instructions to learn • All single-cycle instructions except for program branches, which are two-cycle • Operating speed: DC – 20 MHz clock input DC – 200 ns instruction cycle • Up to 8K x 14 words of Flash Program Memory, Up to 368 x 8 bytes of Data Memory (RAM), Up to 256 x 8 bytes of EEPROM Data Memory • Pinout compatible to other 28-pin or 40/44-pin PIC16CXXX and PIC16FXXX microcontrollers Peripheral Features: • Timer0: 8-bit timer/counter with 8-bit prescaler • Timer1: 16-bit timer/counter with prescaler, can be incremented during Sleep via external crystal/clock • Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler • Two Capture, Compare, PWM modules - Capture is 16-bit, max. resolution is 12.5 ns - Compare is 16-bit, max. resolution is 200 ns - PWM max. resolution is 10-bit • Synchronous Serial Port (SSP) with SPI™ (Master mode) and I2C™ (Master/Slave) • Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection • Parallel Slave Port (PSP) – 8 bits wide with external RD, WR and CS controls (40/44-pin only) • Brown-out detection circuitry for Brown-out Reset (BOR) Analog Features: • 10-bit, up to 8-channel Analog-to-Digital Converter (A/D) • Brown-out Reset (BOR) • Analog Comparator module with: - Two analog comparators - Programmable on-chip voltage reference (VREF) module - Programmable input multiplexing from device inputs and internal voltage reference - Comparator outputs are externally accessible Special Microcontroller Features: • 100,000 erase/write cycle Enhanced Flash program memory typical • 1,000,000 erase/write cycle Data EEPROM memory typical • Data EEPROM Retention > 40 years • Self-reprogrammable under software control • In-Circuit Serial Programming™ (ICSP™) via two pins • Single-supply 5V In-Circuit Serial Programming • Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation • Programmable code protection • Power saving Sleep mode • Selectable oscillator options • In-Circuit Debug (ICD) via two pins CMOS Technology: • Low-power, high-speed Flash/EEPROM technology • Fully static design • Wide operating voltage range (2.0V to 5.5V) • Commercial and Industrial temperature ranges • Low-power consumption