PIC16F1847 datasheet(3/408 Pages) MICROCHIP

3 / 408 page

 2011 Microchip Technology Inc.

Preliminary

DS41453B-page 3

High-Performance RISC CPU:

• C Compiler Optimized Architecture

• 256 bytes Data EEPROM

• Up to 14 Kbytes Linear Program Memory

Addressing

• Up to 1024 bytes Linear Data Memory Addressing

• 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:

• 1.8V-5.5V Operation – PIC16F1847

• 1.8V-3.6V Operation – PIC16LF1847

• Self-Programmable 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):

- Programmable period from 1ms to 268s

• Programmable Code Protection

• In-Circuit Serial Programming™ (ICSP™) via

two pins

• In-Circuit Debug (ICD) via two pins

• Enhance Low-Voltage Programming

• Power-Saving Sleep mode

Extreme Low-Power Management

PIC16LF1847 with nanoWatt XLP:

• Operating Current: 34 µA/MHz

• Sleep mode: 30 nA

• Watchdog Timer: 500 nA

• Timer1 Oscillator: 600 nA @ 32 kHz

Analog Features:

• Analog-to-Digital Converter (ADC) module:

- 10-bit resolution, 12 channels

- Auto acquisition capability

- Conversion available during Sleep

• Analog Comparator module:

- Two rail-to-rail analog comparators

- 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:

• 15 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

• Up to three Timer2-types: 8-Bit Timer/Counter with

8-Bit Period Register, Prescaler and Postscaler

• Up to two Capture, Compare, PWM (CCP) modules

• Up to two Enhanced CCP (ECCP) modules:

- Software selectable time bases

- Auto-shutdown and auto-restart

- PWM steering

• Up to two 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

PIC16(L)F1847

18/20/28-Pin Flash Microcontrollers with nanoWatt XLP Technology

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