PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 3

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

High-Performance RISC CPU:
• Only 49 Instructions to Learn:
• Operating Speed:
• Interrupt Capability with Automatic Context
• 16-Level Deep Hardware Stack with Optional
• Direct, Indirect and Relative Addressing modes:
Flexible Oscillator Structure:
• Precision 32 MHz Internal Oscillator Block:
• 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:
• Two-Speed Oscillator Start-up
• Reference Clock module:
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)
• Programmable Brown-out Reset (BOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Operating Voltage Range:
• Programmable Code Protection
• Power-Saving Sleep mode
 2011 Microchip Technology Inc.
- All single-cycle instructions except branches
- DC – 32 MHz oscillator/clock input
- DC – 125 ns instruction cycle
Saving
Overflow/Underflow Reset
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
- Factory calibrated to ± 1%, typical
- Software selectable frequencies range of
- Allows for safe shutdown if peripheral clock
- Programmable clock output frequency and
and Oscillator Start-up Timer (OST)
two pins
- 1.8V-5.5V (PIC12F1840)
- 1.8V-3.6V (PIC12LF1840)
31 kHz to 32 MHz
stops
duty-cycle
8-Pin Flash Microcontrollers with nanoWatt XLP Technology
Preliminary
Low-Power Features:
• Standby Current (PIC12LF1840):
• Operating Current (PIC12LF1840):
• Low-Power Watchdog Timer Current
Analog Features:
• Analog-to-Digital Converter (ADC) module:
• Analog Comparator module:
• Voltage Reference module:
Peripheral Highlights:
• 5 I/O Pins and 1 Input Only Pin:
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
• Enhanced CCP (ECCP) module:
• Master Synchronous Serial Port (MSSP) with SPI
• Enhanced Universal Synchronous Asynchronous
• Capacitive Sensing (CPS) module (mTouch
- 20 nA @ 1.8V, typical
- 75 A @ 1 MHz, 1.8V, typical
(PIC12LF1840):
- 500 nA @ 1.8V, typical
- 10-bit resolution, 4 channels
- Conversion available during Sleep
- One rail-to-rail analog comparator
- Power mode control
- Software controllable hysteresis
- Fixed Voltage Reference (FVR) with 1.024V,
- 5-bit rail-to-rail resistive DAC with positive
- High current sink/source 25 mA/25 mA
- Programmable weak pull-ups
- Programmable interrupt-on-change pins
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated, low-power 32 kHz oscillator driver
Register, Prescaler and Postscaler
- Software selectable time bases
- Auto-shutdown and auto-restart
- PWM steering
and I
- 7-bit address masking
- SMBus/PMBus
Receiver Transmitter (EUSART) module:
- RS-232, RS-485 and LIN compatible
- Auto-Baud Detect
- 4 input channels
2.048V and 4.096V output levels
and negative reference selection
2
C
TM
PIC12F/LF1840
with:
TM
compatibility
DS41441A-page 3
TM
):