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PICPIC16F639EP Datasheet(PDF) 3 Page - Microchip Technology |
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PICPIC16F639EP Datasheet(HTML) 3 Page - Microchip Technology |
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3 / 234 page  © 2007 Microchip Technology Inc. DS41232D-page 1 PIC12F635/PIC16F636/639 High-Performance RISC CPU: • Only 35 instructions to learn: - All single-cycle instructions except branches • Operating speed: - DC – 20 MHz oscillator/clock input - DC – 200 ns instruction cycle • Interrupt capability • 8-level deep hardware stack • Direct, Indirect and Relative Addressing modes Special Microcontroller Features: • 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 • Clock mode switching for low-power operation • Power-Saving Sleep mode • Wide operating voltage range (2.0V-5.5V) • Industrial and Extended Temperature range • Power-on Reset (POR) • Wake-up Reset (WUR) • Independent weak pull-up/pull-down resistors • Programmable Low-Voltage Detect (PLVD) • 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 (program and data independent) • High-Endurance Flash/EEPROM cell: - 100,000 write Flash endurance - 1,000,000 write EEPROM endurance - Flash/Data EEPROM Retention: > 40 years Low-Power Features: • Standby Current: - 1 nA @ 2.0V, typical • Operating Current: -8.5 μA @ 32 kHz, 2.0V, typical -100 μA @ 1 MHz, 2.0V, typical • Watchdog Timer Current: -1 μA @ 2.0V, typical Peripheral Features: • 6/12 I/O pins with individual direction control: - High-current source/sink for direct LED drive - Interrupt-on-change pin - Individually programmable weak pull-ups/ pull-downs - Ultra Low-Power Wake-up • Analog Comparator module with: - Up to two analog comparators - Programmable On-chip Voltage Reference (CVREF) module (% of VDD) - Comparator inputs and outputs externally accessible • 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 •KEELOQ® compatible hardware Cryptographic module • In-Circuit Serial Programming™ (ICSP™) via two pins Low-Frequency Analog Front-End Features (PIC16F639 only): • Three input pins for 125 kHz LF input signals • High input detection sensitivity (3 mVPP, typical) • Demodulated data, Carrier clock or RSSI output selection • Input carrier frequency: 125 kHz, typical • Input modulation frequency: 4 kHz, maximum • 8 internal Configuration registers • Bidirectional transponder communication (LF talk back) • Programmable antenna tuning capacitance (up to 63 pF, 1 pF/step) • Low standby current: 5 μA (with 3 channels enabled), typical • Low operating current: 15 μA (with 3 channels enabled), typical • Serial Peripheral Interface (SPI) with internal MCU and external devices • Supports Battery Back-up mode and batteryless operation with external circuits 8/14-Pin Flash-Based, 8-Bit CMOS Microcontrollers With nanoWatt Technology |
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