PIC16F15325-I/SL
PIC16F15325-I/SL - 14KB Flash 8-bit MCU, 32MHz, 14-SOIC | Microchip
The Microchip Technology PIC16F15325-I/SL is an 8-bit PIC microcontroller from the PIC16(L)F153XX family, delivering 32MHz of CPU performance with 14KB (8K x 14 words) of Flash program memory and 1KB of SRAM, housed in a 14-pin SOIC (SL) package. It integrates intelligent analog peripherals including a 10-bit ADC with computation, a 5-bit DAC, a comparator, four 10-bit PWMs, and four Configurable Logic Cells (CLC), making it well suited to applications that demand Core Independent Peripherals (CIPs) without burdening the CPU.
An 8-bit microcontroller (MCU) is a compact, low-power processor built around an 8-bit data path and Harvard architecture, typically integrating Flash program memory, SRAM, EEPROM, timers, ADC, and communication peripherals on a single die. The PIC16F15325 belongs to the 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device taxonomy. Compared to 16-bit or 32-bit MCUs, 8-bit parts excel in deterministic real-time control, low-cost BOM, and extremely low active/standby current, making them the dominant choice for sensor interfacing, simple user interfaces, battery-powered sensor nodes, and appliance control.
Key features of the PIC16F15325 include eXtreme Low-Power (XLP) technology with deep sleep currents in the nanoampere range, four PWMs for motor or LED control, two EUSART, SPI, and I2C communication peripherals for master/slave networked designs, a Complementary Waveform Generator (CWG), 2.5V/3.3V/5V wide operating voltage range, and an on-chip 32MHz internal oscillator that eliminates external crystal cost in space-constrained layouts. The 14-pin SOIC footprint provides easy hand-soldering and breadboard compatibility while keeping board area minimal.
Architecturally, the PIC16F15325 combines a RISC core with 49 instructions, a hardware multiplier, a single-cycle instruction pipeline, and Core Independent Peripherals (CLC, CWG, NCO) that perform signal processing in hardware without CPU intervention. This architectural split frees the 8-bit CPU for application logic while offloading waveform generation, event-triggered acquisition, and glue-logic functions to autonomous peripherals.
Typical applications include battery-powered IoT sensor nodes, low-end LED lighting controllers, small appliance user interfaces, remote controls, consumer handheld devices, and cost-sensitive industrial sensor front-ends. The combination of eXtreme Low-Power XLP, on-chip oscillators, and CWG-driven complementary PWM outputs makes it a strong fit for MOSFET half-bridge driver stages without external logic.
When designing with this part, reserve the MCLR pin for an in-circuit serial programming (ICSP) header to allow firmware updates after PCB assembly. Add a 100nF decoupling capacitor close to VDD, and validate that any chosen CLC topology does not exceed the four-cell limit per device.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving the engineer a single reference for sourcing, evaluating, and laying out a PIC16F15325-I/SL design.
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