PIC16F1827T-I/SS
PIC16F1827T-I/SS - 8-bit 32MHz 7KB Flash MCU 20-SSOP | Microchip
The Microchip PIC16F1827T-I/SS is an 8-bit PIC® microcontroller from the PIC16F1826/27 family, featuring a 32 MHz internal oscillator, 7 KB Flash program memory (4K x 14 words), 384 bytes RAM, and a 20-pin SSOP package. Built on nanoWatt eXtreme Low Power (XLP) technology, this MCU is designed for energy-efficient embedded designs that require mTouch capacitive sensing and rich peripheral integration in a small surface-mount footprint.
A PIC16 microcontroller is a member of Microchip's 8-bit RISC microcontroller family based on a Harvard architecture with separate program and data buses. The PIC16F series occupies the mid-range tier in the PIC portfolio (PIC10/12/16/18/24/32), offering a balance of low power, peripheral integration, and code density for applications in consumer electronics, industrial sensing, IoT edge nodes, and motor/lighting control. PIC16F parts use a 14-bit instruction word, internal oscillator options, and Configurable Logic Cells (CLC), making them more capable than baseline PIC10/12 while remaining cheaper than PIC18.
Key features of the PIC16F1827 include 7 KB self-programmable Flash, 256 bytes EEPROM, 384 bytes RAM, 12-channel 10-bit ADC, two 8-bit and two 16-bit timers, two comparators, enhanced PWM/capture/compare, mTouch capacitive touch sensing support, an I2C/SPI/EUSART interface set, and a 32 MHz internal oscillator. The nanoWatt XLP technology delivers sub-microamp sleep currents (as low as 20 nA typical in sleep with watchdog disabled), enabling multi-year battery life.
The architecture uses a modified Harvard core with a 14-bit wide instruction path and 8-bit data path, paired with a hardware multiplier and an interrupt controller that supports automatic context saving. The integrated Core Independent Peripherals (CIPs) - CLC, MSSP, Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG) - allow designers to offload tasks like waveform synthesis and signal conditioning from the CPU, reducing firmware complexity and code footprint.
Typical applications include capacitive touch user interfaces (buttons, sliders, proximity sensors), low-power IoT sensor transmitters, small motor and fan control loops, LED lighting controllers, battery-powered consumer devices, and industrial sensor signal conditioning. The mTouch peripheral enables touch sensing without external components, simplifying hardware.
When designing, ensure decoupling capacitors are placed close to VDD/AVDD/VSS/AVSS, and that the configuration bits (CONFIG1/CONFIG2) match the application's oscillator and watchdog requirements. Programming is supported by MPLAB X IDE and the PICkit 5/SNAP debuggers using the in-circuit serial programming (ICSP) interface.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design considerations not duplicated from the manufacturer datasheet, helping engineers shorten sourcing and PCB layout reviews.
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