PIC12F635-E/MD MICROCHIP [Microchip Technology], PIC12F635-E/MD Datasheet - Page 3

• Manufacturer Part Number: PIC12F635-E/MD
• Description: 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

High-Performance RISC CPU:
• Only 35 instructions to learn:
• Operating speed:
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
• Precision Internal Oscillator:
• 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
• Brown-out Reset (BOR) with software control
• Enhanced Low-Current Watchdog Timer (WDT)
• Multiplexed Master Clear with pull-up/input pin
• Programmable code protection (program and
• High-Endurance Flash/EEPROM cell:
Low-Power Features:
• Standby Current:
• Operating Current:
• Watchdog Timer Current:
© 2007 Microchip Technology Inc.
- All single-cycle instructions except branches
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
- Factory calibrated to ±1%, typical
- Software selectable frequency range of
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for
Timer (OST)
option
with on-chip oscillator (software selectable
nominal 268 seconds with full prescaler) with
software enable
data independent)
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM Retention: > 40 years
- 1 nA @ 2.0V, typical
- 8.5 A @ 32 kHz, 2.0V, typical
- 100 A @ 1 MHz, 2.0V, typical
- 1 A @ 2.0V, typical
8 MHz to 125 kHz
power savings
8/14-Pin Flash-Based, 8-Bit CMOS Microcontrollers
With nanoWatt Technology
PIC12F635/PIC16F636/639
Peripheral Features:
• 6/12 I/O pins with individual direction control:
• Analog Comparator module with:
• Timer0: 8-bit timer/counter with 8-bit
• Enhanced Timer1:
• K
• In-Circuit Serial Programming™ (ICSP™) via
Low-Frequency Analog Front-End
Features (PIC16F639 only):
• Three input pins for 125 kHz LF input signals
• High input detection sensitivity (3 mV
• Demodulated data, Carrier clock or RSSI output
• Input carrier frequency: 125 kHz, typical
• Input modulation frequency: 4 kHz, maximum
• 8 internal Configuration registers
• Bidirectional transponder communication
• Programmable antenna tuning capacitance
• Low standby current: 5 A (with 3 channels
• Low operating current: 15 A (with 3 channels
• Serial Peripheral Interface (SPI) with internal
• Supports Battery Back-up mode and batteryless
- High-current source/sink for direct LED drive
- Interrupt-on-change pin
- Individually programmable weak pull-ups/
- Ultra Low-Power Wake-up
- Up to two analog comparators
- Programmable On-chip Voltage Reference
- Comparator inputs and outputs externally
programmable prescaler
- 16-bit timer/counter with prescaler
- External Timer1 Gate (count enable)
- Option to use OSC1 and OSC2 in LP mode
module
two pins
selection
(LF talk back)
(up to 63 pF, 1 pF/step)
enabled), typical
enabled), typical
MCU and external devices
operation with external circuits
EE
pull-downs
(CV
accessible
as Timer1 oscillator if INTOSC mode
selected
L
OQ
REF
®
) module (% of V
compatible hardware Cryptographic
DD
)
DS41232D-page 1
PP
, typical)