PIC16F1517-I/MV
PIC16F1517-I/MV - 8-Bit 20MHz MCU, 14KB Flash, 40-UQFN | Microchip
The Microchip Technology PIC16F1517-I/MV is a 8-bit enhanced mid-range PIC16 microcontroller with 14KB Flash program memory and 512B RAM, housed in a 40-pin UQFN (5x5 mm) package. It operates at up to 20 MHz instruction clock with 200 ns instruction execution, integrates a 10-bit ADC with up to 28 channels, and runs from 1.8 V to 5.5 V supply (PIC16F1517 variant at 2.3 V to 5.5 V). XLP nanoWatt technology minimizes active and sleep current draw, making the part suitable for battery-powered edge nodes.
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and peripherals such as timers, ADC, communication interfaces, and I/O. Within the broader taxonomy, the PIC16F1517 sits in the PIC16 enhanced mid-range family -> 8-bit microcontroller -> MCU -> embedded processor -> semiconductor. Microcontrollers are the standard building block of embedded systems in consumer, industrial, automotive, and IoT products, executing deterministic firmware to control sensors, actuators, and user interfaces.
Key features include 14KB self-programmable Flash with code protection, 512B data SRAM, two 8-bit timers (TMR0/TMR2), one 16-bit timer (TMR1), an extended Watchdog Timer (WDT), enhanced Power-On Reset (POR) and programmable ultra-low-power Brown-Out Reset (ULPBOR), In-Circuit Serial Programming (ICSP), on-board in-circuit debug, 25 mA source/sink I/O, and a voltage reference for the ADC. PIC16F1517 (2.3 V to 5.5 V) and PIC16LF1517 (1.8 V to 3.6 V) variants share the same die, providing a single firmware image across industrial and low-voltage portable rails.
The architecture is an 8-bit Harvard RISC core with a 14-bit instruction word, multiple oscillator options (HFINTOSC, LFINTOSC, external crystal/clock), and configurable clock switching for low-power modes. The 28-channel 10-bit ADC combined with internal voltage reference supports sensor-array sampling in industrial control loops. The peripheral set is intentionally lean - no USB, no CAN, no I2C/SPI hardware named in the family overview - keeping the cost-per-MIPS competitive for high-volume sensor and lighting products.
Typical applications include industrial sensor conditioning and control, low-power IoT edge nodes, LED lighting controllers, battery chargers with ADC monitoring, and home appliances. The wide 2.3 V to 5.5 V operating range supports direct connection to 4 NiMH, single Li-ion, or 5 V regulated rails.
When designing with this device, ensure the WDT is correctly configured for your reset window, place the decoupling capacitor as close to VDD/AVDD as possible, and verify the I/O source/sink budget (25 mA per pin) against your LED or relay driver stage. The ICSP/ICD pins share I/O functions - allocate them carefully if in-circuit debug is required in production.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.
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