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 A/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