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:

• Full 5.5V Operation – PIC12F1840

• 1.8V-3.6V Operation – 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)

• Operating Voltage Range:

- 2.3V-5.5V (PIC12F1840)

- 1.8V-3.6V (PIC12LF1840)

• Programmable Code Protection

• Power-Saving Sleep mode

Low-Power Features:

• Standby Current (PIC12LF1840):

- 20 nA @ 1.8V, typical

• Operating Current (PIC12LF1840):

- 34 μA @ 1 MHz, 1.8V, typical

• Low-Power Watchdog Timer Current

(PIC12LF1840):

- 300 nA @ 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 I2CTM with:

- 7-bit address masking

- SMBus/PMBusTM compatibility

• Enhanced Universal Synchronous Asynchronous

Receiver Transmitter (EUSART) module:

- RS-232, RS-485 and LIN compatible

- Auto-Baud Detect

• Capacitive Sensing (CPS) module (mTouchTM):

- 4 input channels