Giới thiệu PIC16F684-I/ST TSSOP14 Vi điều khiển vi xử lý
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 • Precision Internal Oscillator: - Factory calibrated to ±1%, typical - Software selectable frequency range of 8 MHz to 125 kHz - Software tunable - Two-Speed Start-up mode - Crystal fail detect for critical applications - Clock mode switching during operation for power savings • Software Selectable 31 kHz Internal Oscillator • Power-Saving Sleep mode • Wide operating voltage range (2.0V-5.5V) • Industrial and Extended Temperature range • Power-on Reset (POR) • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) • Brown-out Reset (BOR) with software control option • Enhanced low-current Watchdog Timer (WDT) with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable • Multiplexed Master Clear with pull-up/input pin • Programmable code protection • High Endurance Flash/EEPROM cell: - 100,000 write Flash endurance - 1,000,000 write EEPROM endurance - Flash/Data EEPROM retention: > 40 years • 12 I/O pins with individual direction control: - High current source/sink for direct LED drive - Interrupt-on-change pin - Individually programmable weak pull-ups - Ultra Low-Power Wake-Up (ULPWU) • Analog Comparator module with: - Two analog comparators - Programmable on-chip voltage reference (CVREF) module (% of VDD) - Comparator inputs and outputs externally accessible • A/D Converter: - 10-bit resolution and 8 channels • Timer0: 8-bit timer/counter with 8-bit programmable prescaler • Enhanced Timer1: - 16-bit timer/counter with prescaler - External Timer1 Gate (count enable) - Option to use OSC1 and OSC2 in LP mode as Timer1 oscillator if INTOSC mode selected • Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler • Enhanced Capture, Compare, PWM module: - 16-bit Capture, max resolution 12.5 ns - Compare, max resolution 200 ns - 10-bit PWM with 1, 2 or 4 output channels, programmable “dead time”, max frequency 20 kHz • In-Circuit Serial ProgrammingTM (ICSPTM) via two pins