PIC16F1947 Datasheet PDF - Microchip

High-Performance RISC CPU:

●• Only 49 Instructions to Learn

●• Operating Speed:

●   - DC – 32 MHz 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

●Special Microcontroller Features:

●• Precision Internal Oscillator:

●   - Factory calibrated to ±1%, typical

●   - Software selectable frequency range from 32 MHz to 31 kHz

●• 31 kHz Low-Power Internal Oscillator

●• External Oscillator Block with:

●   - 4 crystal/resonator modes up to 32 MHz

●   - 3 external clock modes up to 32 MHz

●• 4x Phase Locked Loop (PLL)

●• Fail-Safe Clock Monitor

●• Two-Speed Start-up

●• Power-Saving Sleep mode

●• Power-on Reset (POR)

●• Power-up Timer (PWRT)

●• Oscillator Start-up Timer (OST)

●• Brown-out Reset (BOR) with Selectable Trip Point

●• Extended Watch-Dog 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:

●   - 1.8V to 3.6V (PIC16LF194X)

●   - 1.8V to 5.5V (PIC16F194X)

●• Programmable Code Protection

●• Self-Programmable under Software Control

●Low-Power Features:

●• Standby Current (PIC16LF194X):

●   - 100 nA @ 1.8V, typical

●• Operating Current (PIC16LF194X):

●   - 150 μA @ 1 MHz, 1.8V, typical

●• Low-Power Watchdog Timer Current (PIC16LF194X):

●   - 1.0 μA @ 1.8V, typical

●Peripheral Features:

●• Integrated LCD Controller:

●   - Up to 184 segments

●   - Variable clock input

●   - Contrast control

●   - Internal voltage reference selections

●• Up to 53 I/O Pins and 1 Input-only Pin:

●   - High current sink/source for LED drivers

●   - Individually programmable interrupt-on change pins

●   - Individually programmable weak pull-ups

●• Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler

●• Enhanced Timer1:

●   - 16-bit timer/counter with prescaler

●   - External Gate Input mode

●   - Dedicated low-power 32 kHz oscillator driver

●• Timer2, 4, 6: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler

●• Two Capture/Compare/PWM modules (CCP):

●   - Software selectable time bases

●• Three Enhanced Capture, Compare, PWM modules (ECCP):

●   - Software selectable time bases

●   - Auto-shutdown and auto-restart

●   - PWM steering

●• Two Master Synchronous Serial Ports (MSSP) with SPI and I2CTM with:

●   - 7-bit address masking

●   - SMBus/PMBusTM compatibility

●• Two Enhanced Universal Synchronous Asynchronous Receiver Transmitters (EUSART):

●   - RS-232, RS-485 and LIN compatible

●   - Auto-Baud Detect

●   - Auto-wake-up on start

●• SR Latch (Integrated 555 Timer):

●   - Multiple Set/Reset input options

●• Analog-to-Digital Converter (ADC):

●   - 10-bit resolution

●   - Up to 17 channels

●• 3 Comparators:

●   - Rail-to-rail inputs/outputs

●   - 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

●• mTouch™ Oscillator Module

●   - 17 channels for button, sensor, or slider input