PIC12F1840_12 Datasheet, PDF (1/410 Pages) Microchip Technology – 8-Pin Flash Microcontrollers with XLP Technology

PIC12(L)F1840
8-Pin Flash Microcontrollers with XLP Technology
High-Performance RISC CPU:
• Only 49 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 32 MHz oscillator/clock input
- DC – 125 ns instruction cycle
• Interrupt Capability with Automatic Context
Saving
• 16-Level Deep Hardware Stack with Optional
Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
Flexible Oscillator Structure:
• Precision 32 MHz Internal Oscillator Block:
- Factory calibrated to ± 1%, typical
- Software selectable frequencies range of
31 kHz to 32 MHz
• 31 kHz Low-Power Internal Oscillator
• Four Crystal modes up to 32 MHz
• Three External Clock modes up to 32 MHz
• 4X Phase Lock Loop (PLL)
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
• Two-Speed Oscillator Start-up
• Reference Clock module:
- Programmable clock output frequency and
duty-cycle
Special Microcontroller Features:
• Operating Voltage Range:
- 2.3V-5.5V (PIC12F1840)
- 1.8V-3.6V (PIC12LF1840)
• Self-Reprogrammable under Software Control
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Programmable Brown-out Reset (BOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
two pins
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Programmable Code Protection
• Power-Saving Sleep mode
Extreme Low-Power Management with
PIC12LF1840 XLP:
• Sleep mode: 20 nA @ 1.8V, typical
• Watchdog Timer: 500 nA @ 1.8V, typical
• Timer1 Oscillator: 300 nA @ 32 kHz, 1.8V, typical
• Operating Current: 30 A/MHz @ 1.8V, typical
Analog Features:
• Analog-to-Digital Converter (ADC) module:
- 10-bit resolution, 4 channels
- Conversion available during Sleep
• Analog Comparator module:
- One rail-to-rail analog comparator
- Power mode control
- Software controllable hysteresis
• Voltage Reference module:
- Fixed Voltage Reference (FVR) with 1.024V,
2.048V and 4.096V output levels
- 5-bit rail-to-rail resistive DAC with positive
and negative reference selection
Peripheral Highlights:
• 5 I/O Pins and 1 Input Only Pin:
- High current sink/source 25 mA/25 mA
- Programmable weak pull-ups
- Programmable interrupt-on-change pins
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated, low-power 32 kHz oscillator driver
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
• Enhanced CCP (ECCP) module:
- Software selectable time bases
- Auto-shutdown and auto-restart
- PWM steering
• Master Synchronous Serial Port (MSSP) with SPI
and I²C^TM with:
- 7-bit address masking
- SMBus/PMBus^TM compatibility
• Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) module:
- RS-232, RS-485 and LIN compatible
- Auto-Baud Detect
• Capacitive Sensing (CPS) module (mTouch^TM):
- 4 input channels
 2011-2012 Microchip Technology Inc.
DS41441C-page 1