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PIC16F636T-I Datasheet, PDF (3/234 Pages) Microchip Technology – 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology | |||
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PIC12F635/PIC16F636/639
8/14-Pin Flash-Based, 8-Bit CMOS Microcontrollers
With nanoWatt Technology
High-Performance RISC CPU:
⢠Only 35 instructions to learn:
- All single-cycle instructions except branches
⢠Operating speed:
- DC â 20 MHz oscillator/clock input
- DC â 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⢠(ICSPâ¢) 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
© 2007 Microchip Technology Inc.
DS41232D-page 1
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