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PIC24F16KA101-E/SS

PIC24F16KA101-E/SS - 16-bit XLP MCU, 16KB Flash, 20-SSOP

The Microchip Technology PIC24F16KA101-E/SS is a 16-bit microcontroller from the PIC24F XLP (eXtreme Low Power) family, delivering 16 MIPS performance at 32 MHz while consuming nanoWatt-class sleep currents. It integrates 16 KB of Flash program memory (5.5K x 24), 1.5 KB of RAM, and 512 bytes of EEPROM in a 20-pin SSOP package rated for the -40C to +125C extended industrial temperature range. A 16-bit microcontroller (MCU) is a programmable processor that executes instructions on 16-bit data paths, offering higher code density and arithmetic precision than 8-bit parts while remaining simpler than 32-bit ARM Cortex-M devices. Within the broader taxonomy, this PIC24F belongs to the PIC24 MCU family, then to 16-bit microcontrollers, then to microcontrollers, then to embedded processors, and finally to integrated circuits. It is purpose-built for power-constrained and battery-powered designs where the XLP feature set (DSBOR, DSWDT, deep sleep, RTCC) extends battery life into the multi-year range. Key specifications include a 32 MHz maximum operating frequency, 18 user I/O pins, a 10-bit ADC with multiple channels, and integrated peripherals such as comparators, UART/SPI/I2C, and a Real-Time Clock Calendar. The device operates from 1.8V to 3.6V and is qualified to the -E (extended) temperature grade. The 20-SSOP package provides a compact footprint well suited to space-constrained consumer and industrial modules. Architecture-wise, the PIC24F core uses a 16-bit modified Harvard architecture with a wide 24-bit instruction word, enabling efficient C compilation through DecodeOne. XLP technology incorporates a deep sleep mode with sub-microamp current draw, an ultra-low-power watchdog timer, and a power-saving RTCC that can wake the part periodically - critical for energy-harvesting and primary-cell applications. Typical applications include battery-powered sensor nodes, portable medical and wellness devices, remote controls, energy-harvesting wireless transmitters, low-power IoT end nodes, and industrial data loggers. The combination of wide operating voltage (1.8V-3.6V) and extended temperature range also suits automotive under-hood and outdoor installations. When designing with this part, ensure decoupling capacitors are placed within 5 mm of the VDDCORE and VDD pins and that unused I/O are configured as outputs to minimize current draw. The XLP sleep mode requires the RTCC, DSWDT, or an external interrupt to be the wake-up source; relying on a busy-loop delay will defeat the nanoWatt current target. This page synthesizes distributor pricing from DigiKey and Mouser, same-brand drop-in alternatives from the PIC24F family, and practical XLP design notes not consolidated in the manufacturer datasheet.

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PIC24F16KA101-I/MQ

PIC24F16KA101-I/MQ - 16-bit XLP MCU, 16KB Flash, 32MHz | Microchip

The Microchip Technology PIC24F16KA101-I/MQ is a 16-bit PIC® microcontroller from the PIC24F XLP family featuring eXtreme Low Power technology, 16KB Flash program memory, 2KB RAM, 512B EEPROM, 32MHz (16 MIPS) performance, and a 20-pin VQFN (5x5 mm) package with exposed pad. It targets power-constrained and battery-powered embedded applications where energy budget dominates the design. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. Within the taxonomy: microcontroller -> embedded processor -> semiconductor. The "16-bit" in PIC24F refers to the modified-Harvard architecture's data path width; the "F" denotes Flash program memory; and XLP (eXtreme Low Power) is Microchip's branding for ultra-low-power modes targeting nanoWatt-class sleep currents. Key features include up to 16 MIPS performance at 32MHz, nanoWatt XLP technology with deep-sleep currents measured in nanoamps, an integrated Real-Time Clock and Calendar (RTCC) that operates from an external 32.768kHz crystal, dedicated deep-sleep brown-out reset (DSBOR) and deep-sleep watchdog timer (DSWDT) peripherals, 16 general-purpose I/O, multiple serial interfaces, and analog peripherals including a 10-bit ADC. Operating voltage ranges from 1.8V to 3.6V. The PIC24F16KA101 uses a modified-Harvard architecture with a 16-bit data word and 24-bit instruction word, balancing code density against data throughput. Its rich peripheral set is tied to the deep-sleep power domain so that timers and analog references can wake the core from nanoamp-class sleep without external circuitry - a defining characteristic of the XLP family. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, energy-harvesting devices, low-power wireless sensor networks, and industrial data loggers. The combination of RTCC, deep-sleep peripherals, and wide operating voltage makes it a frequent choice for designs that must run for years on a single coin cell. When designing with this part, prioritize minimizing active-mode duty cycle: short computation bursts followed by deep-sleep yields the lowest energy per task. The exposed pad on the VQFN-20 must be soldered to the PCB ground plane to meet thermal and electrical specifications. This page synthesizes distributor pricing, drop-in same-brand alternatives, and practical low-power design notes that are not consolidated in any one manufacturer datasheet or catalog page.

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PIC24F16KA101-I/P

PIC24F16KA101-I/P - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip PIC24F16KA101-I/P is a 16-bit PIC® XLP™ (eXtreme Low Power) microcontroller operating at up to 32 MHz (16 MIPS) with 16 KB Flash, 2 KB RAM, and 512 B EEPROM, housed in a 20-pin PDIP through-hole package. It belongs to the PIC24F16KA101 family designed for battery-powered and energy-constrained applications, integrating nanoWatt XLP technology for sub-uA deep-sleep current. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and programmable peripherals on a single chip. The 16-bit class (such as PIC24) sits between 8-bit MCUs (PIC16/PIC18) and 32-bit MCUs (PIC32, ARM Cortex-M) and is typically chosen when developers need C-friendly data widths, hardware multipliers, and richer peripherals while staying within tight power and cost budgets. Within Microchip's taxonomy, PIC24 belongs to the broader dsPIC/PIC24 family of 16-bit microcontrollers and is widely used in general-purpose embedded control. Key features of the PIC24F16KA101-I/P include: a 32 MHz internal oscillator, 16 MIPS throughput, 16 KB self-programmable Flash program memory, 2 KB SRAM, 512 B EEPROM data memory, up to 18 I/O pins, an integrated RTCC, a 10-bit A/D converter with up to 12 channels, and three 16-bit timers. Communication peripherals include one I2C™, one SPI™, and one UART. The 'I' industrial temperature grade specifies -40 °C to +85 °C operation. The device targets applications such as battery-powered sensor nodes, low-energy medical devices, remote controls, portable instrumentation, and IoT edge nodes where sleep-mode current and CPU wake-up time dominate total energy budget. When designing with this part, plan the deep-sleep wake-up source (RTCC, WDT, or external interrupt) carefully because nanoWatt XLP sleep current is typically the dominant factor for battery-life calculations.

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PIC24F16KA101-I/SO

PIC24F16KA101-I/SO - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA101-I/SO is a 16-bit microcontroller featuring nanoWatt XLP eXtreme Low Power technology, 16 KB (5.5K x 24) of Flash program memory, 2 KB of RAM, and 512 B of EEPROM, packaged in a 20-pin SOIC (0.295" / 7.50 mm body width). It operates at up to 32 MHz delivering 16 MIPS throughput from a 1.8V to 3.6V supply and provides 16 GPIO lines for digital I/O. A 16-bit microcontroller (MCU) is a microprocessor that processes data and instructions in 16-bit chunks, giving it a higher instruction throughput, larger addressing range, and richer peripheral integration than legacy 8-bit devices while retaining single-chip simplicity. Within the broader taxonomy, this part sits at: 16-bit MCU -> PIC24F family -> XLP (eXtreme Low Power) microcontrollers -> embedded microcontrollers -> semiconductor ICs. The PIC24F KA family is purpose-built for battery-powered and energy-harvesting designs, adding deep-sleep retention, deep-sleep brown-out reset (DSBOR), deep-sleep watchdog timer (DSWDT), and a real-time clock calendar (RTCC) that keep current draw in the nanoamp range while state and time-of-day are preserved. Key features include 16 MIPS performance at 32 MHz, 16 KB self-programmable Flash, 2 KB SRAM, 512 B EEPROM, 16 GPIO, three 16-bit timers, two analog comparators, a 10-bit ADC with up to 12 channels, two UART/SPI/I2C selectable serial modules (MSSP), and 5V tolerant I/O on digital pins. Peripherals are orchestrated by a peripheral pin-select (PPS) engine that maps digital functions onto most I/O, simplifying PCB routing. Architecturally the device uses a modified Harvard RISC core with a 24-bit instruction word, single-cycle hardware multiply, and a 16-element x 16-bit working register array. The XLP power-management block supports Sleep, Idle, Deep-Sleep, and Deep-Sleep-with-RTCC modes, with typical Deep-Sleep currents in the tens of nanoamps, which is the technical reason this family dominates in coin-cell and energy-harvesting applications. Typical applications include battery-powered IoT sensor nodes, wearable health and fitness devices, remote controls, low-power wireless sensor transmitters, energy-harvesting switches, industrial data loggers, and any portable or unattended product where quiescent current budgets are measured in microamps. Designers targeting ULPMark scores, ENERGY STAR standby limits, or coin-cell lifetimes of multiple years will find the KA-series XLP feature set directly aligned with their targets. When designing with this part, allocate one I/O pin for the MCLR reset, use PPS carefully to avoid peripheral map conflicts, and follow Microchip's recommended decoupling and ICSP programming layout. For absolute minimum sleep current, leave all unused pins configured as outputs driving low and disable unused peripherals via PMD registers; these two steps alone typically reduce Deep-Sleep current by 20-40 percent versus an unconfigured default. This page synthesizes distributor pricing, drop-in package alternatives, and engineering design notes not found in the manufacturer datasheet alone, providing a single-page reference for sourcing, selection, and design-in of the PIC24F16KA101-I/SO.

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PIC24F16KA101-I/SS

PIC24F16KA101-I/SS - 16KB Flash 16MIPS XLP MCU | Microchip

The Microchip Technology PIC24F16KA101-I/SS is a 16-bit eXtreme Low Power (XLP) Flash microcontroller built on the PIC® XLP™ 24F architecture, delivering up to 16 MIPS at 32 MHz in a 20-pin SSOP package. The device integrates 16 KB (5.5K x 24) of Flash program memory, 1.5 KB of data RAM, and 512 B of EEPROM, providing a balanced memory profile for low-power embedded applications. A 16-bit microcontroller (MCU) is a single-chip computer that executes arithmetic and logic operations on 16-bit-wide data words in a single instruction cycle, enabling higher code density and faster signal-processing throughput than 8-bit cores. The PIC24F family sits within Microchip's broader MCU taxonomy of MCU -> 16-bit MCU -> Flash MCU -> XLP low-power MCU -> PIC24F XLP series, targeting battery-powered and energy-harvesting designs where nanoWatt-class sleep current matters as much as active MIPS. Key features include an integrated 32 MHz internal oscillator, 10-bit ADC, multiple timers (Timer1/Timer2/Timer3 with RTCC), and ultra-low-power sleep modes with currents as low as 20 nA in deep sleep. The device operates from 1.8 V to 3.6 V across an industrial -40 °C to +85 °C temperature range and supports I²C, SPI, IrDA, and UART/USART serial connectivity for sensor and peripheral interfacing. The PIC24F16KA101 uses a 16-bit modified Harvard RISC architecture with hardware multiply/accumulate support, enabling efficient DSP-style signal conditioning on the same die. The integrated nanoWatt XLP technology provides multiple power-saving modes (Sleep, Deep Sleep, Retention) plus DSBOR (Deep Sleep Brown-Out Reset) and DSWDT (Deep Sleep Watchdog Timer), allowing the MCU to wake autonomously from external events while consuming minimal standby current. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, low-power wireless sensor hubs, energy-harvesting edge devices, and industrial data loggers. The compact SSOP-20 footprint suits space-constrained PCB layouts while the robust peripheral set reduces external component count. When designing with this MCU, size the decoupling network close to the VDDCORE/VDD pins and route the analog AVDD/AVSS pair as a star connection. Use the RTCC and Deep Sleep modes strategically - the 20 nA deep sleep current enables multi-year coin-cell battery life for periodic sensor wake-up duty cycles. This page synthesizes distributor pricing, same-package drop-in alternatives, and application-specific design notes not found in the manufacturer datasheet alone.

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PIC24F16KA101T-I/SO

PIC24F16KA101T-I/SO - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA101T-I/SO is a 16-bit Flash microcontroller from the PIC® XLP™ 24F family, featuring 16KB (5.5K x 24) of program Flash memory, 2KB of RAM, and 512B of EEPROM in a 20-pin SOIC (0.295 inch, 7.50mm width) package. It runs at up to 32MHz delivering 16 MIPS performance and operates from 1.8V to 3.6V, making it ideal for low-power and battery-backed designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC24F family belongs to the modified Harvard 16-bit RISC architecture from Microchip, sitting in the hierarchy between 8-bit PIC16/PIC18 MCUs and the 32-bit PIC32MX/dsPIC lines. The PIC® XLP™ (eXtreme Low Power) technology platform adds deep-sleep operating modes, Deep Sleep Brown-Out Reset (DSBOR), Deep Sleep Watchdog Timer (DSWDT), and a Real-Time Clock Calendar (RTCC) running from a 32kHz crystal — the cornerstone of nanoWatt-class power budgets. Within the broader taxonomy, the PIC24F16KA101 sits in the category "16-bit microcontroller -> MCU -> embedded computing -> semiconductor IC". Key differentiating specifications include 16 MIPS CPU throughput at 32MHz, four 16-bit timers, a 10-bit 500 ksps ADC with up to 9 input channels, and four digital communication peripherals selectable from I²C, SPI, IrDA and UART/USART. Hardware touch sensing (mTouch™) is supported on capable pins. The part carries 16 GPIO pins, three programmable priority interrupt vectors, and on-chip debugging via two programming pins plus the standard ICSP interface. Architecturally, the PIC24F16KA101 uses a 16-bit modified Harvard core with separate program and data buses, a 24-bit instruction word that compresses code density, and a wide peripheral set clocked from the system oscillator or an auxiliary 32kHz source. This combination lets a single 32MHz system oscillator drive the CPU while a separate low-power 32kHz crystal keeps the RTCC and DSWDT active during deep sleep, achieving quiescent currents in the nanoampere range. Typical applications include portable medical and fitness sensors, low-power wireless sensor nodes, battery-powered industrial data loggers, smart remote controls, and IoT edge nodes where standby current is mission-critical. Designers should note that the XLP deep-sleep modes require careful configuration of DSBOR and RTCC alarm routing; failing to enable the auxiliary 32kHz crystal prevents the device from reaching its lowest sleep currents documented in the datasheet electrical characteristics table. This page synthesizes distributor stock, cross-reference data, and design notes not found in the manufacturer datasheet — enabling faster PIC24F16KA101T-I/SO sourcing and qualification decisions.

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PIC24F16KA101T-I/SS

PIC24F16KA101T-I/SS - 16KB Flash 16MIPS XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA101T-I/SS is a 16-bit PIC® XLP™ 24F microcontroller with 16KB of Flash program memory, 1.5KB of RAM, and 512B of EEPROM, operating at up to 32 MHz (16 MIPS) from a 1.8V to 3.6V supply rail, and housed in a 20-pin SSOP package. According to the Microchip product page, this device is engineered around eXtreme Low Power (XLP) technology with deep-sleep DSBOR/DSWDT and RTCC retention, targeting power-constrained and battery-powered applications. What is a PIC24F XLP microcontroller? The PIC24F is a 16-bit modified-Harvard RISC family from Microchip Technology. It is a member of the broader microcontroller (MCU) semiconductor category, and within that hierarchy sits the low-power (XLP) subfamily with nanoWatt technology and integrated peripherals such as A/D, comparators, RTCC and deep-sleep mode. The 32 MHz core delivers 16 MIPS throughput, with a 16-bit instruction word and most instructions executing in a single cycle, giving the PIC24F roughly 3-5x the compute density of 8-bit PIC MCUs at the same clock. Key features of the PIC24F16KA101T-I/SS include 16KB (5.5K x 24) self-programmable Flash, 1.5KB SRAM, 512B EEPROM, 18 general-purpose I/O pins, and an internal oscillator. The XLP architecture claims industry-leading low-power performance with deep-sleep current in the nanoamp range and RTCC operation from a 32 kHz crystal, enabling multi-year battery life in duty-cycled sensing nodes. The device integrates configurable peripherals such as 10-bit A/D, analog comparators with selectable references, UART/SPI/I2C™/IrDA® connectivity, multiple timers and a Real-Time Clock Calendar (RTCC). Programmable brown-out reset (BOR), watchdog timer (WDT) and the deep-sleep DSBOR/DSWDT extend supervisory coverage to the lowest power states. Typical applications include battery-powered IoT sensor nodes, portable medical/health monitors, e-metering peripherals, remote controls, wearable fitness bands, and consumer products requiring long battery life with sufficient compute for small protocol stacks or sensor fusion. Designers also deploy this MCU in industrial telemetry and HVAC controllers where eXtreme Low Power with deterministic 16-bit performance is required. Design consideration: because the SSOP package has moderate thermal dissipation, derate I/O source/sink current per pin (typically ≤25 mA) and observe total package dissipation when multiple I/Os switch simultaneously. Use the internal PLL only when VIN is stable, and select the low-power secondary oscillator (SOSC) for RTCC-based sleep cycles to maximize battery life. This page consolidates XAIPART distributor pricing, drop-in SSOP-20 alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC24F16KA102-E/SO

PIC24F16KA102-E/SO - 16KB Flash XLP MCU SOIC-28 | Microchip

The Microchip PIC24F16KA102-E/SO is a 16-bit microcontroller built on the PIC24F family with nanoWatt XLP eXtreme Low Power technology, offering 16 KB of Flash program memory, 1.5 KB of RAM, and 512 bytes of EEPROM in a 28-pin SOIC package. It executes instructions at up to 16 MIPS from a 32 MHz internal oscillator, making it suitable for real-time control in power-constrained designs. A 16-bit microcontroller (MCU) is an embedded processor with a 16-bit data path, registers, and ALU, positioned between 8-bit microcontrollers (lower cost, lower performance) and 32-bit microcontrollers (higher performance, higher cost). PIC24F devices sit in the broader taxonomy as: PIC24F 16-bit Flash MCU -> 16-bit microcontroller -> embedded processor -> integrated circuit. They are commonly used where 8-bit MCUs lack DSP-style math performance but 32-bit parts are unnecessary for cost or power reasons. Key features include deep sleep mode with DSBOR (deep-sleep brown-out reset), DSWDT (deep-sleep watchdog timer), and RTCC (real-time clock calendar) retention, plus an integrated 10-bit ADC with up to 9 channels, two comparators, multiple 16-bit timers, and two watchdog timers. The -E temperature grade supports -40C to +125C operation, and the XLP technology achieves sub-uA sleep currents that suit battery-powered and energy-harvesting products. The architecture uses a modified Harvard core with a 24-bit instruction word, allowing single-cycle 16x16 MAC for small-signal processing. The internal 32 MHz oscillator and PLL deliver up to 16 MIPS throughput, while peripheral pin select and flexible I/O mapping simplify PCB routing in space-constrained enclosures. Typical applications include IoT sensor nodes, wearable health monitors, remote controls, low-power wireless modules, battery-backed instrumentation, and consumer appliances. The combination of nanoWatt XLP sleep current and fast wake-up time from sleep makes it ideal for products that spend most of their life in deep sleep and wake periodically for measurement and transmission. When designing with this device, prioritize deep-sleep current budget and wake-up source selection early in the design; an incorrectly configured RTCC or DSWDT can keep the device out of its lowest-power state. Plan unused pins as digital outputs tied low rather than floating inputs to avoid parasitic current paths. This page synthesizes distributor inventory, parametric alternatives from Microchip's same family, and practical low-power design notes not collected in any single manufacturer document.

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PIC24F16KA102-E/SS

PIC24F16KA102-E/SS - 16-bit XLP MCU, 16KB Flash, 28-SSOP | Microchip

Microchip PIC24F16KA102-E/SS is a 16-bit Flash microcontroller from the PIC24F KA family, featuring 16 KB (5.5K x 24) of program memory, 1.5 KB RAM, and 512 B EEPROM, housed in a 28-pin SSOP package with a 32 MHz maximum operating frequency (16 MIPS). The -E/SS suffix indicates the extended industrial temperature grade (-40C to +125C) and the SSOP-28 surface-mount package with 0.65 mm pitch. It is one of the smallest PIC24F devices combining eXtreme Low Power (XLP) nanoWatt technology with up to 18 general-purpose I/O pins. A PIC microcontroller (Microcontroller Unit, MCU) is a single integrated circuit that contains a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and a wide range of on-chip peripherals such as timers, ADC, communication interfaces, and I/O ports. The PIC24F sub-family uses Microchip's 16-bit modified Harvard architecture with a 16-bit data path and 24-bit instruction wordwidth, positioned between the 8-bit PIC16/PIC18 families and the high-performance dsPIC/PIC32 lines. Within the power-management hierarchy, XLP nanoWatt MCUs target battery-powered and energy-harvesting applications where deep sleep current (in nanoamps) and fast wake-up time dominate the design envelope. Key features include deep sleep mode with DSBOR and DSWDT supervision, RTCC with on-chip calibration for real-time clock operation without a crystal, a 9-channel 10-bit ADC, two analog comparators, up to three UART/SPI/I2C peripherals, and five 16-bit timers. Sleep currents are typically under 50 nA in deep sleep with full RAM retention, allowing years of operation from a CR2032 coin cell. The internal 8 MHz oscillator is factory-calibrated to within 2% across the full temperature range, eliminating the external crystal on many designs. The PIC24F16KA102-E/SS combines ultra-low-power nanoWatt XLP technology with a 16 MIPS CPU core and 16 KB self-programmable Flash. The peripheral set is shared across the entire PIC24F16KA1xx family (PIC24F08KA101, PIC24F16KA101, PIC24F08KA102, PIC24F16KA102), so code developed on the 28-pin SSOP version is portable to 20-pin variants in the same family. Code-protect and ICSP (In-Circuit Serial Programming) are supported over the standard two-wire PGx/PGx interface. Typical applications include battery-powered sensors, wearable health monitors, remote controls, energy-harvesting devices, low-cost consumer products, and industrial sensor nodes. The wide 1.8 V to 3.6 V operating range suits single-cell lithium coin-cell designs as well as 2x AA alkaline systems. The internal oscillator and 5-channel hardware PWM make the part a good fit for direct LED-driving or low-end motor-control tasks. When designing with this part, enable the DSBOR and DSWDT deep-sleep supervisors if the application may experience brown-out conditions or firmware lock-up during long unattended battery operation. Pin-out usage of the MCLR pin is mandatory as a programming/debug entry point; leave it accessible in the PCB layout even if no external reset is wired. This page synthesizes Microchip datasheet specifications, distributor pricing as of 2026-09-29, same-package drop-in Microchip alternatives, and practical low-power design notes not found in the manufacturer datasheet.

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PIC24F16KA102-I/ML

PIC24F16KA102-I/ML - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA102-I/ML is a 16-bit PIC24F microcontroller featuring nanoWatt XLP (eXtreme Low Power) technology, operating up to 32 MHz with 16 MIPS performance at 3.3V, housed in a 28-pin QFN (6x6) package. It integrates 16 KB (5.5K x 24) of Flash program memory, 1.5 KB of RAM, and 512 bytes of EEPROM, with 18 general-purpose I/O pins. A 16-bit microcontroller (MCU) is a microprocessor with a 16-bit data path, register width, and ALU. Within the semiconductor hierarchy, MCUs sit under microcontrollers -> embedded processors -> digital ICs. The PIC24F family targets ultra-low-power embedded applications where longer battery life and reduced energy budget dominate the design trade-off. The XLP technology stack adds deep-sleep peripherals such as DSBOR (deep-sleep brown-out reset), DSWDT (deep-sleep watchdog timer) and a retentive RTCC that maintains timekeeping while the core is asleep, enabling years of operation from a single coin cell. Key features include a 16-channel 10-bit ADC, two analog comparators, four 16-bit timers, two UART, two SPI, two I2C, five CCP/SCCP modules configurable for PWM/capture/compare, real-time clock and calendar with alarm, and a charge time measurement unit (CTMU) for capacitive touch. The 32 MHz internal oscillator removes the external crystal on cost-sensitive boards, while the 28-QFN (6x6) exposed-pad package gives a typical thermal resistance of about 32 C/W for thermally constrained designs. Internally the PIC24F16KA102 uses a 16-bit modified Harvard RISC core with single-cycle multiply, hardware stack, deterministic interrupt latency and a wide (3.0 V to 3.6 V) VDD range. The integrated 16 MIPS DSP engine plus zero-overhead loop control allows sensor-fusion math and digital-filter loops in firmware without an extra DSP chip. Typical applications include battery-powered IoT nodes, wearables, e-metering, sensor hubs, remote controls, low-power wireless peripherals (sensor-side companion MCU), capacitive-touch user interfaces, and medical monitoring handhelds. Designers should evaluate sleep-mode current (deep sleep as low as tens of nA) and active current per MHz when comparing against newer Cortex-M0+ alternatives; PIC24F16KA102 is most attractive when the design needs low BOM cost, on-chip EEPROM and Microchip's MPLAB X toolchain.

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PIC24F16KA102-I/SO

PIC24F16KA102-I/SO - 16KB Flash XLP 16-bit MCU 28-SOIC | Microchip

The Microchip Technology PIC24F16KA102-I/SO is a 16-bit microcontroller from the PIC24F XLP (eXtreme Low Power) family, featuring 16 KB of Flash program memory, 2 KB of RAM, and 512 bytes of EEPROM, operating at up to 32 MHz (16 MIPS at 3.3 V) in a 28-pin SOIC wide-body package. A 16-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), non-volatile EEPROM, and configurable peripherals (timers, ADC, communication interfaces). The PIC24F16KA family belongs to the broader category of mixed-signal microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. The 16-bit modified-Harvard RISC architecture delivers deterministic interrupt latency and rich peripheral integration for embedded designs. Key features include the nanoWatt XLP technology for industry-leading low-power operation with multiple deep-sleep modes (DSBOR, DSWDT, Deep Sleep), Real-Time Clock and Calendar (RTCC) with VBAT retention, an integrated 10-bit ADC with up to 9 channels, multiple Enhanced Capture/Compare/PWM (ECCP) modules, and configurable peripherals including UART, I2C, and SPI. The 28-SOIC package exposes 19 general-purpose I/O pins and supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) for development workflows. Technically, the device operates from 1.8 V to 3.6 V across an industrial temperature range of -40 °C to +85 °C, with hardware multiplier, 16 x 16-bit working register array, and selectable internal/external oscillator topologies. The integrated brown-out reset (BOR), watchdog timer (WDT), and dual oscillator fail-safe clock monitor add reliability to safety-conscious applications. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, energy-harvesting devices, low-power wireless sensor nodes, and industrial metering. The XLP features allow standby currents in the nanoampere range, enabling multi-year battery life on a single coin cell. When designing with this MCU, use Microchip's MPLAB X IDE with the XC16 compiler for firmware development. Decouple VDD with at least a 100 nF ceramic capacitor placed close to the pins, and route the ICSP/PGD/PGC lines with short traces to programming header pads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F16KA102-I/SS

PIC24F16KA102-I/SS - 16-bit XLP MCU 16KB Flash 28-SSOP | Microchip

The Microchip Technology PIC24F16KA102-I/SS is a 16-bit PIC microcontroller featuring nanoWatt XLP (eXtreme Low Power) technology, 16KB Flash program memory, 2KB RAM, and 512B EEPROM in a 28-pin SSOP package. The device operates from 1.8V to 3.6V with a 32MHz internal oscillator delivering up to 16 MIPS performance, targeting power-constrained and battery-powered embedded applications. The -I temperature grade supports -40C to +85C operation, suitable for industrial-grade designs. A PIC24 microcontroller is a 16-bit modified Harvard architecture MCU from Microchip's PIC24F family, sitting between the 8-bit PIC16/PIC18 families and the 32-bit PIC32MX devices in the product hierarchy. PIC24F devices use a wide 16-bit instruction set with DSP-friendly instructions, hardware multiply/divide, and a peripheral set oriented toward motor control and low-power sensing. The 'F' suffix denotes Flash program memory and 3.3V-class operation. The XLP technology adds deep-sleep current as low as 20 nA with retention, plus peripherals like DSBOR (deep-sleep brown-out reset), DSWDT (deep-sleep watchdog timer), and RTCC (real-time clock calendar) that remain active in sleep. Key features of this part include the 16KB (5.5K x 24) Flash program memory, 19 GPIO pins with remappable peripherals (PPS), 12-bit ADC with up to 9 channels, multiple UART/SPI/I2C interfaces, 5 16-bit timers, and a real-time clock calendar. The XLP deep-sleep current is typically under 20 nA with full SRAM retention, while run current at 32MHz/3.3V is around 8 mA. The 28-SSOP footprint has a thermal resistance of approximately 71 C/W and supports hand-soldering plus standard reflow profiles. The architecture uses a modified Harvard bus with separate program and data paths, a 24-bit instruction word, and a 16-bit data path. The MIPS-style instruction set executes most instructions in one cycle. Integrated peripherals like comparators, 10-bit DAC, and CTMU (Charge Time Measurement Unit) enable touch sensing and slope-compensation without external ICs. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, wireless metering, HVAC thermostats, and energy harvesting systems where sleep current dominates battery life. The 28-SSOP package allows breadboard-friendly hand assembly while remaining suitable for automated SMT lines. The wide operating voltage also enables direct Li-ion battery connection at 3.6V maximum. When designing with this MCU, prioritize the deep-sleep current budget over active performance; the XLP features only deliver their value when peripherals are properly switched off and unused clocks are gated. Use the PPS peripheral remapping to route signals to any GPIO, simplifying PCB layout. Always confirm that the active peripherals draw less than the wake-up event cost in duty-cycled applications. This page synthesizes Microchip datasheet values, current distributor pricing, and drop-in alternatives to the 28-SSOP footprint, information typically scattered across the datasheet, parametric tables, and XAIPART cross-reference data.

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PIC24F16KA102T-I/ML

PIC24F16KA102T-I/ML - 16-bit XLP MCU, 16KB Flash, 28-QFN | Microchip

The Microchip Technology PIC24F16KA102T-I/ML is a 16-bit PIC microcontroller from the PIC24F XLP (eXtreme Low Power) family, delivering 16 MIPS performance at 32 MHz with 16 KB flash, 2 KB RAM, and 512 B EEPROM in a 28-pin QFN (6x6 mm) package. It features a wide operating voltage range of 1.8 V to 3.6 V and is qualified for automotive AEC-Q100 applications. A PIC24F microcontroller is a 16-bit modified Harvard architecture MCU from Microchip's PIC family, optimized for ultra-low power and mixed-signal embedded applications. It sits in the broader taxonomy of microcontroller -> embedded processor -> semiconductor, offering higher performance and richer peripherals than 8-bit PIC MCUs while consuming less power than dsPIC and PIC32 devices, making it well-suited to battery-powered and energy-harvesting designs. Key features include 16 MIPS throughput at 32 MHz, nanoWatt XLP technology with deep-sleep current below 1 µA, and rich peripherals such as a 10-bit ADC, multiple UART/SPI/I2C interfaces, comparators, RTCC with calendar mode, and configurable logic cells. The 28-QFN package exposes the die thermal pad for enhanced heat dissipation and offers 18 digital I/O pins. Architecturally, the device uses a 16-bit modified Harvard core with separate program and data buses, hardware multiply/divide, and a configurable instruction set compatible with PIC24F assembly and MPLAB XC16 C code. The XLP power management block integrates DSBOR (deep-sleep brown-out reset), DSWDT (deep-sleep watchdog timer), and a real-time clock calendar, enabling sleep currents measured in nanoamps while keeping time and wake-up sources active. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, automotive body controllers, energy meters, RF4CE remote controls, and ultra-low-power wireless sensor platforms. The combination of nanoWatt XLP sleep modes, RTCC retention, and AEC-Q100 qualification makes it suitable for designs that must run for years on a coin cell or that must operate reliably under automotive temperature stress. When designing with this device, pay attention to decoupling: place 100 nF + 1 µF ceramics close to VDD/AVDD pairs and use the exposed pad (EP) for low-impedance ground and thermal relief. Programming is supported by MPLAB X IDE with the XC16 compiler, and debug is handled via the ICSP/ICD interface using PGECx/PGEDx pins. This page consolidates distributor pricing, drop-in alternatives, and engineering guidance not collated in the manufacturer datasheet.

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PIC24F16KA102T-I/SO

PIC24F16KA102T-I/SO - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA102T-I/SO is a 16-bit PIC24F microcontroller with nanoWatt XLP (eXtreme Low Power) technology, delivering 16 MIPS performance at 32 MHz core clock while consuming only nanoamp-level sleep currents. It integrates 16 KB of Flash program memory (5.5K x 24 instruction words), 1.5 KB of RAM, and 512 bytes of EEPROM in a 28-pin SOIC (SO) wide-body package qualified for the -40C to +85C industrial temperature range. What is a 16-bit microcontroller? A 16-bit MCU is a microcontroller with a 16-bit-wide data path, register file, and ALU, sitting between 8-bit MCUs (lower performance, lower cost) and 32-bit MCUs (higher performance, higher cost and power). Within Microchip's taxonomy the PIC24F family belongs to the broader PIC microcontroller family and to the dsPIC/DSC and MCU category, distinguished by nanoWatt XLP technology that enables deep-sleep currents below 1 uA, making PIC24F devices the typical choice for battery-powered and energy-harvesting applications. Key features include up to 18 general-purpose I/O, 12-bit ADC with 9 analog channels, multiple 16-bit and 32-bit timers, a Real-Time Clock Calendar (RTCC) with dedicated 32 kHz domain, deep-sleep brown-out reset (DSBOR), deep-sleep watchdog timer (DSWDT), and ultra-low-power wake sources. The device supports 1.8V to 3.6V operation from a single supply, internal 8 MHz and 32 kHz oscillators, and a rich set of serial peripherals including UART, SPI, and I2C. Architecturally the PIC24F16KA102 employs a modified Harvard RISC core with a 24-bit instruction word and 16-bit data path, paired with a wide peripheral set optimized for low duty-cycle applications. The XLP technology combines multiple low-power modes (Sleep, Deep Sleep, Retention) with peripheral event-based wake-up to keep average current consumption in the microamp range. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote control key fobs, smart meters, energy harvesting nodes, and industrial data loggers where multi-year battery life is required. The 28-SOIC footprint also supports hand-soldered prototypes and low-volume production. When designing with this part, plan for the -40C to +85C industrial temperature range and ensure the supply decoupling network is placed within 5 mm of the VDDCORE and VDD pins. The 'T' suffix indicates tape-and-reel packaging for high-volume assembly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone datasheet.

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PIC24F16KA301-E/P

PIC24F16KA301-E/P - 16-bit XLP MCU 32MHz 16KB Flash | Microchip

The Microchip Technology PIC24F16KA301-E/P is a 16-bit eXtreme Low Power (XLP) flash microcontroller in a 20-pin PDIP package, delivering 32 MIPS performance at 32 MHz, 16 KB flash program memory (5.5K x 24), 2 KB RAM, and 512 B EEPROM, with a 12-bit ADC and on-chip CTMU peripheral. According to the Microchip datasheet, this part targets power-constrained and battery-powered designs, achieving industry-leading low-power figures through Deep-Sleep-aware peripherals such as DSBOR (Deep Sleep Brown-Out Reset), DSWDT (Deep Sleep Watchdog Timer), and RTCC (Real-Time Clock Calendar) that continue operating in Deep Sleep mode. A 16-bit microcontroller (MCU) is a microprocessor that fetches, decodes, and executes 16-bit-wide instructions, offering a richer instruction set, more deterministic interrupt latency, and better code density than typical 8-bit cores. The PIC24F sits in Microchip's broader MCU taxonomy as PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC24F family specifically emphasizes ultra-low power (XLP) operation, while PIC24EP and dsPIC33 families scale up performance or add DSP capability. The PIC24F16KA301-E/P exposes 18 general-purpose I/O pins and integrates a 12-bit A/D converter with CTMU for capacitive touch and time measurement, two analog comparators, an internal oscillator, and multiple serial interfaces (UART, SPI, I2C). The -E temperature grade denotes -40C to +125C operation, making this part suitable for industrial and harsh-environment deployments rather than consumer-grade 0 to +70C ranges. The 20-pin PDIP (0.300 inch) form factor is the through-hole variant preferred for prototyping, breadboarding, and legacy through-hole designs. Architecturally, the PIC24F core uses a modified Harvard architecture with separate program and data paths, supporting C-compiled firmware (MPLAB XC16) and the entire MPLAB ecosystem. The XLP technology incorporates nanoWatt XLP features including multiple idle and Sleep modes with wake-on-interrupt, retention of RAM in Deep Sleep, and ultra-low run currents suitable for coin-cell and energy-harvesting applications. Typical applications include battery-powered sensor nodes, IoT edge devices, portable medical instruments, smart metering, HVAC controllers, and any low-duty-cycle embedded system where Deep Sleep current matters more than peak MIPS. The -E/P variant is also specified as AEC-Q100 capable per datasheet catalog listings, allowing automotive designers to qualify it for non-safety body and chassis modules. When designing with this part, pay attention to the Deep Sleep current budget (cited in the DC characteristics section of the datasheet) and the wake-up latency from Deep Sleep, both of which dominate the average power calculation for duty-cycled sensor nodes. The CTMU peripheral simplifies capacitive touch sensing without an external timer IC. For production, the same silicon is offered in 20-pin SOIC, SSOP, QFN, and 28/44-pin packages within the KA301 family for layout flexibility. This page synthesizes distributor pricing, package-specific drop-in alternatives from the PIC24F family, and practical low-power design notes not found in the manufacturer datasheet itself.

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PIC24F16KA301-I/P

PIC24F16KA301-I/P - 16-bit XLP MCU 16KB Flash 20-PDIP | Microchip

The Microchip Technology PIC24F16KA301-I/P is a 16-bit PIC microcontroller featuring eXtreme Low Power (XLP) technology, 16 KB of Flash program memory, 2 KB of RAM, and 512 B of EEPROM, operating up to 32 MHz (16 MIPS) in a 20-pin PDIP through-hole package. It targets power-constrained and battery-powered applications, with unique peripherals like Deep Sleep Brown-Out Reset (DSBOR), Deep Sleep Watchdog Timer (DSWDT), and Real-Time Clock Calendar (RTCC) that continue running in Deep Sleep mode for industry-leading low-power performance. The industrial temperature grade (-40C to +85C) and wide 1.8V-3.6V operating voltage make it suitable for portable, medical, sensor, and IoT edge-node designs. A 16-bit MCU (microcontroller unit) is an embedded processor that integrates CPU, memory, peripherals, and I/O on a single die. PIC24F devices sit in Microchip's 16-bit MCU hierarchy above PIC16F and below dsPIC33/PIC32, using a modified Harvard architecture with a 24-bit instruction word. Within power-constrained embedded systems, the PIC24F16KA301-I/P occupies the XLP tier that emphasizes nanoWatt sleep currents over raw MHz performance. Key differentiating features include 16 MIPS performance at 32 MHz, integrated 12-bit ADC with CTMU (Charge Time Measurement Unit) for capacitive touch sensing, and 18 general-purpose I/O pins. The device supports up to 9 channels of 10-bit PWM, I2C, SPI, and UART peripherals. The 16 KB Flash provides approximately 5.5K single-word instructions, sufficient for typical sensor-fusion, motor-control, and display-driver firmware. The 20-pin PDIP package simplifies breadboard prototyping and hand-soldered prototypes compared to QFN alternatives. Architecturally, the PIC24F16KA301-I/P uses an internal oscillator eliminating external crystal components, includes a configurable 16-bit timer, and supports In-Circuit Serial Programming (ICSP) for in-field firmware updates. The CTMU peripheral enables cost-effective capacitive touch interfaces without dedicated touch controllers, ideal for appliances and user-interface panels. According to the Microchip datasheet, the XLP technology achieves sub-1 µA current in Deep Sleep mode with RTCC active. Typical applications include battery-powered sensor nodes, low-power wireless sensor hubs, smart thermostats, wearable health monitors, and home automation controllers. The combination of 16-bit performance and XLP sleep currents makes it well suited for solar-powered and Energy Harvesting applications where average current budgets fall below 100 µA. When designing with this part, leverage the DSBOR and DSWDT peripherals for unattended battery operation, and use the RTCC's 1-second alarm to wake from Deep Sleep on a scheduled basis rather than polling. This pattern reduces average system current by 1-2 orders of magnitude compared to continuous-loop firmware designs.

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PIC24F16KA301T-I/SO

PIC24F16KA301T-I/SO - 16KB Flash XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KA301T-I/SO is a 16-bit Flash microcontroller from the PIC24F family featuring eXtreme Low Power (XLP) technology, 16KB of program Flash, 2KB RAM, 512B EEPROM, and a 12-bit ADC with CTMU, supplied in a 20-pin SOIC package. It runs at up to 32 MHz delivering 16 MIPS and operates from 1.8V to 3.6V, making it suitable for both 3.3V and 5V-tolerant-system designs when paired with appropriate interface ICs. A 16-bit microcontroller is a programmable computing device built around a 16-bit data path, register file, and ALU, sitting hierarchically between 8-bit MCUs and 32-bit Cortex-M devices. The PIC24F family uses Microchip's modified Harvard architecture with a 16-bit instruction word and 24-bit instruction fetch, giving it a deterministic instruction set and predictable interrupt latency that distinguishes it from von-Neumann ARM parts. The KA-series sub-family adds the XLP power-management peripheral set, which is why designers choose it for battery-powered applications. Key features of the PIC24F16KA301T-I/SO include Deep Sleep current as low as 20 nA with RTCC, DSBOR, and DSWDT active, plus multiple low-power sleep modes down to a few hundred nanoamps in Sleep mode. The device integrates a 12-bit ADC with up to 9 channels, a Charge Time Measurement Unit (CTMU) for capacitive touch, three 16-bit timers, two UART, one SPI, and one I2C, plus a Real-Time Clock and Calendar with calendar mode. The '301' variant provides 17 GPIO lines in this 20-pin SOIC. Architecturally, the PIC24F16KA301T-I/SO uses a wide 16-bit data path with single-cycle hardware multiplier and divider, and its Flash memory supports self-programming via ICSPCLK/ICSPDAT for in-field firmware updates. The CTMU peripheral provides a constant-current source for capacitive touch sensing and time-of-flight measurements, eliminating the need for an external analog front-end. Core-independent peripherals (CIPs) such as the CRC, PWM, and CLC-like functions allow the part to handle background tasks without waking the CPU, which directly extends battery life. Typical applications include battery-powered IoT sensor nodes, portable medical telemetry devices, remote controls, wearable fitness bands, energy-harvesting wireless sensor transmitters, and ultra-low-power industrial data loggers. The combination of 16 MIPS performance, 16KB code space, and deep-sleep nanoamp currents lets designers consolidate what previously required an MCU plus an external RTC chip into a single device. When designing with this part, plan your power budget around the active run current of approximately 250 uA/MIPS at 3.3V and use the Peripheral Pin Select (PPS) feature to remap digital peripherals, which decouples ICSP programming pins from GPIO layout. For best Deep Sleep performance, ensure DSBOR is configured for ultra-low-power BOR, the RTCC is set to the LPRC 32 kHz source, and unused pins are configured as outputs driven low to avoid floating-pin leakage. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including PPS peripheral remapping guidance and Deep Sleep current budgeting that helps engineers select the right PIC24F variant for their low-power application.

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PIC24F16KA301T-I/SS

PIC24F16KA301T-I/SS - 16KB Flash 32MHz 16-bit MCU XLP | Microchip

The Microchip PIC24F16KA301T-I/SS is a 16-bit Flash microcontroller from the PIC® XLP™ 24F family, featuring eXtreme Low Power (XLP) technology in a 20-pin SSOP package. It integrates 16KB of Flash program memory organized as 5.5K x 24 words, 2KB of SRAM data memory, and 512 bytes of Data EEPROM, executing up to 16 MIPS at 32 MHz from a 1.8V to 3.6V supply. The 'T' suffix denotes Tape & Reel packaging while 'I' denotes the industrial -40C to +85C temperature range. A 16-bit microcontroller (MCU) is a microprocessor-on-a-chip that combines a CPU core, non-volatile program memory, volatile data memory, and peripheral subsystems (ADC, timers, communication interfaces) on a single die. Within the embedded taxonomy, the PIC24F sits between 8-bit PIC MCUs and 32-bit ARM Cortex-M devices, offering a C-friendly modified Harvard architecture with deterministic interrupt response - a class commonly chosen when 8-bit performance is insufficient but 32-bit cost or power is overkill. Key features of the PIC24F16KA301T-I/SS include XLP technology with Deep Sleep current under 100 nA, an integrated 12-bit ADC with up to 12 channels, dual I2C / SPI / UART communication interfaces, a Charge Time Measurement Unit (CTMU) for capacitive touch and accurate time measurement, and three PWM channels with seven timers. The 17 I/O pins support peripheral pin select (PPS) for flexible signal routing. The device uses a modified Harvard RISC architecture with a 16-bit instruction word and a hardware multiplier that performs 17-bit x 17-bit single-cycle operations. On-chip peripherals include DSBOR (Deep Sleep Brown-Out Reset), DSWDT (Deep Sleep Watchdog Timer), and a Real-Time Clock Calendar (RTCC) that continue to operate in Deep Sleep mode - unique among mid-range 16-bit MCUs and enabling decade-long battery life on a single coin cell. Typical applications include battery-powered sensor nodes, wearable health monitors, remote controls, low-energy wireless sensor hubs, e-metering, and IoT edge devices. The CTMU peripheral enables capacitive touch buttons and sliders without an external controller, while the RTCC eliminates external RTC chips in time-stamped data loggers. When designing with this part, choose Deep Sleep mode for quiescent periods where average current dominates lifetime, and use the DSWDT to wake the device periodically for sensor polling. Place a 100 nF decoupling capacitor within 3 mm of each VDD/AVDD pin, and route the analog reference traces away from switching nodes. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical XLP design notes not consolidated in any single manufacturer document.

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PIC24F16KA302-E/SP

PIC24F16KA302-E/SP - 16-bit XLP MCU 16KB Flash | Microchip

The Microchip PIC24F16KA302-E/SP is a 16-bit Flash microcontroller from the PIC24F XLP (eXtreme Low Power) family, offering 16 KB of Flash program memory, 2 KB of RAM, and 512 bytes of EEPROM in a 28-pin SPDIP (0.3 inch, through-hole) package. It executes up to 16 MIPS at 32 MHz and integrates a 12-bit ADC, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock/Calendar (RTCC) that continues operating in Deep Sleep mode, making it well suited to battery-powered and energy-harvesting designs. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. Within the broader taxonomy, this part belongs to the 16-bit microcontroller class, which sits between 8-bit MCUs (lower performance, simpler peripherals) and 32-bit MCUs (Cortex-M class, higher performance, more complex). The PIC24F line is Microchip's 16-bit entry tier, optimized for low power and ease of use with the MPLAB XC16 toolchain. Key differentiating features of the PIC24F16KA302 include the XLP Deep Sleep current (sub-uA range), the integrated CTMU for capacitive touch and precision time measurement, the RTCC with calendar mode, and a DSBOR/DSWDT (Deep Sleep Brown-Out Reset / Deep Sleep Watchdog Timer) that maintains supervisory functions while the core is asleep. These features let the device wake only on a meaningful event, dramatically extending battery life in sensor and metering products. The architecture is a modified Harvard 16-bit RISC core with a hardware multiplier for fast DSP-style operations, plus a rich peripheral set including multiple timers, UART, SPI, I2C, and 12-bit ADC with up to 13 input channels (package-dependent). The device operates from 1.8 V to 3.6 V across the industrial temperature range of -40C to +125C, and supports in-circuit serial programming (ICSP) and self-programmability. Typical applications span battery-powered sensor nodes, IoT edge devices, wearable health monitors, remote controls, smart metering, capacitive touch user interfaces, and industrial control where Deep Sleep consumption is the dominant lifetime metric. The -E temperature grade extends operation to +125C, suitable for harsh industrial environments. When designing with this part, choose the internal 8 MHz or 32 kHz oscillators carefully: switching to the low-power oscillator and disabling unused peripherals in Deep Sleep typically cuts quiescent current by orders of magnitude compared to running the full 32 MHz MIPS core. The CTMU requires careful PCB layout for capacitive touch: keep the sense traces short, guarded by a ground ring, and avoid running them near high-frequency signals. This page synthesizes distributor pricing, parametric cross-references in the same SPDIP-28 footprint, and practical low-power design notes not collected in any single manufacturer datasheet.

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PIC24F16KA302-E/SS

PIC24F16KA302-E/SS - 16-bit XLP MCU 16KB Flash 28-SSOP | Microchip

The Microchip PIC24F16KA302-E/SS is a 16-bit microcontroller from the PIC24F XLP (eXtreme Low Power) family, featuring 16KB of Flash program memory, 2KB of RAM, and 512 bytes of EEPROM in a 28-pin SSOP package. It runs at 32 MHz (16 MIPS) and is engineered for power-constrained and battery-powered applications with deep-sleep current measured in nanoamperes. A 16-bit microcontroller is a programmable integrated circuit that processes instructions and data on a 16-bit-wide datapath, sitting in the hierarchy between 8-bit MCUs (lower cost, lower performance) and 32-bit MCUs (higher performance, higher cost). 16-bit PIC24F parts occupy the sweet spot for embedded designs that need more computational headroom than 8-bit can offer, while keeping power and code density low. The PIC24F16KA302 belongs to the broader PIC24F family of flash microcontrollers, which itself sits under Microchip's microcontroller IC product line within power management and embedded control semiconductors. Key differentiating features include the XLP technology platform with nanoWatt XLP sleep modes, on-chip 12-bit ADC with CTMU (Charge Time Measurement Unit) for capacitive touch and precise time measurement, and unique peripherals like DSBOR (Deep Sleep Brown-Out Reset), DSWDT (Deep Sleep Watchdog Timer), and RTCC (Real-Time Clock Calendar) that continue to operate in deep sleep. The device supports 1.8V to 1.95V single-supply operation, with active current under 1 mA at full MIPS and deep-sleep currents below 100 nA typical. Multiple communication peripherals including UART, SPI, I2C, and 10-bit ADC channels provide flexible interfacing. Typical applications include battery-operated sensor nodes, wearable health monitors, IoT edge devices, remote controls, energy harvesting systems, and any portable product where years of battery life are required. The CTMU enables cost-effective capacitive touch buttons and sliders without external components. Design consideration: select a package variant matching your I/O and thermal budget; the 28-SSOP offers 18 general-purpose I/O with small board area. For systems requiring code execution from external memory or graphics, consider the higher-end PIC24EP or PIC32 families instead.

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PIC24F16KA302-I/ML

PIC24F16KA302-I/ML - 16KB Flash XLP MCU 32MHz 28-QFN | Microchip

The Microchip Technology PIC24F16KA302-I/ML is a 16-bit PIC24F microcontroller from the XLP (eXtreme Low Power) family, featuring 16 KB Flash program memory, 2 KB RAM and 512 bytes of EEPROM, with a 32 MHz MIPS core delivering 16 MIPS performance, housed in a 28-pin QFN (6x6 mm) package. The PIC24F16KA302 family targets battery-powered and energy-harvesting designs where deep-sleep current in the nanoamp range is mandatory. The /ML package suffix selects the 28-lead QFN (Quad Flat No-lead) variant. A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, peripherals around one silicon die. Within the taxonomy, PIC24F belongs to the 16-bit MCU class, which sits between 8-bit MCUs (PIC10/12/18, AVR, 8051) and 32-bit MCUs (PIC32, ARM Cortex-M). The 'F' suffix indicates Flash program memory. XLP technology adds deep-sleep modes with wake-on-interrupt, RTC, and ultra-low run currents, positioning this part below many Cortex-M0+ devices in active power yet 2-3 orders lower in sleep current. Key features include a 12-bit A/D converter with up to 16 channels (depending on package), 3 op-amps / comparators with CTMU (Charge Time Measurement Unit) for capacitive touch, multiple timers (T1-T5), 2 UART, 2 SPI, 2 I2C, RTCC, and a chargeable DSBOR/DSWDT deep-sleep brown-out reset and watchdog. Voltage operation is 1.8 V to 3.6 V across -40C to +85C industrial range. The CTMU enables capacitive-touch buttons, sliders, and proximity sensing without an external analog front-end. The PIC24F16KA302 architecture uses a 16-bit modified Harvard structure with a 24-bit instruction word and 16-bit data path, plus a hardware multiply/divide and DSP extensions, allowing efficient C compilation under MPLAB XC16. The Flash memory supports self-programming via ICSP for in-field firmware updates, while the 512-byte EEPROM handles non-volatile user parameters (calibration, settings). The 32 MHz CPU clock is synthesized from the internal 8 MHz FRC with PLL, eliminating external crystals for cost-sensitive designs. Typical applications include battery-powered sensor nodes with capacitive touch, wearable health monitors (HR, SpO2 front-ends), energy-harvesting devices, IoT endpoints with sleep duty cycling, remote controls, and low-power wireless sensor nodes paired with sub-GHz radios (MRF89XA, RN2483). The CTMU peripheral is particularly useful in proximity-sensing applications and water-level / ice detection. Design considerations include careful decoupling of AVDD/AVSS, separate analog and digital ground planes, and verifying sleep-current budgets before committing to the design. Unlike 32-bit ARM Cortex-M0+ parts, the PIC24F has stronger analog peripherals (12-bit ADC, op-amps, CTMU) and lower sleep current, making it preferable for analog-front-end designs. This page synthesizes distributor pricing tiers, drop-in alternatives across the PIC24F16KA family, and practical design notes not found in the manufacturer datasheet alone, providing engineering context beyond raw specification repetition.

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PIC24F16KA302-I/SO

PIC24F16KA302-I/SO - 16-bit 32MHz XLP MCU 16KB Flash | Microchip

The Microchip Technology PIC24F16KA302-I/SO is a 16-bit PIC® microcontroller built on the eXtreme Low Power (XLP) technology platform, delivering up to 32 MHz (16 MIPS) performance with 16 KB Flash, 2 KB RAM, and 512 B EEPROM in a 28-pin SOIC (SO) wide-body package. It operates from 1.8 V to 3.6 V across an industrial -40 °C to +85 °C temperature range, targeting battery-powered and energy-harvesting designs where quiescent current dominates battery life. A microcontroller (MCU) is an integrated circuit containing a processor core, program and data memory, peripherals, and I/O on a single die. The 16-bit PIC24F architecture sits in the hierarchy: PIC24F microcontroller -> 16-bit MCU -> embedded controller -> semiconductor IC. The PIC24F core uses a modified Harvard architecture with a 16-bit wide data path, giving the family more headroom for arithmetic-intensive signal processing than 8-bit MCUs while keeping cost and power below 32-bit Cortex-M0+ parts. Key features include XLP Deep Sleep current as low as 20 nA with RTCC, DSBOR and DSWDT running; a 12-bit ADC with up to 17 analog inputs; an integrated Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement; multiple serial interfaces (UART, SPI, I2C); and configurable Peripheral Pin Select (PPS) on select ports. The 28-SOIC wide-body variant (-SO) provides 17 usable I/O pins on a 0.300" body, well-suited for hand-soldering and small-form-factor production. Architecturally, the PIC24F16KA302 belongs to the KA3 family and shares its peripheral set with the KA1 (smaller pin-count) siblings, enabling firmware portability across 20/28/44/48-pin variants. The CTMU is the standout peripheral, allowing mTouch capacitive touch sensing and accurate time-of-flight measurement for flow meters without an external timing IC. Combined with deep-sleep nanoWatt XLP technology, this makes the device attractive for sensor nodes that wake, sample, transmit, and return to sleep within microamps of average current. Typical applications include IoT sensor endpoints, battery-powered medical devices such as glucose meters, wearable fitness bands, remote controls, smart thermostats, and industrial data loggers. The 12-bit ADC and CTMU allow direct interface with resistive/capacitive sensors, and the low 1.8 V minimum supply supports direct Li-coin-cell operation without boost circuitry. When designing in this MCU, allocate adequate decoupling (100 nF + 10 µF) near VDD/AVDD pins and follow Microchip's recommended ICSP programming header layout for in-circuit firmware updates. Verify that your total I/O count including debug pins is within the 17-pin budget before committing to the 28-SOIC footprint; if you need more I/O, the 44-pin PIC24F16KA304 in the same family offers pin-for-pin firmware compatibility. This page synthesizes distributor pricing, same-family and cross-family drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a one-stop reference for component selection.

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PIC24F16KA302T-I/ML

PIC24F16KA302T-I/ML - 16-Bit 32MHz XLP MCU 16KB Flash | Microchip

The Microchip Technology PIC24F16KA302T-I/ML is a 16-bit PIC® XLP™ microcontroller featuring an eXtreme Low Power 24F core running at up to 32 MHz, delivering 16 MIPS of computational throughput. It integrates 16 KB of Flash program memory (5.5K x 24), 2 KB of SRAM and 512 bytes of EEPROM, all housed in a 28-pin QFN package measuring 6x6 mm with an exposed thermal pad. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and programmable peripherals around a common bus, designed to sense and control embedded systems. PIC24F devices belong to Microchip's 16-bit enhanced MCU family, sitting in the product hierarchy above 8-bit PIC16/PIC18 parts and below the 32-bit PIC32MX series. The XLP designation denotes ultra-low-power operation suited to battery-powered applications, with the broader family classified as a low-power general-purpose microcontroller within the semiconductor IC category. Key features include a 12-bit ADC with CTMU (Charge Time Measurement Unit), 3 analog comparators, 7 timers, 3 PWM channels and standard on-chip housekeeping peripherals such as POR, BOR, PWRT and WDT. The device supports 17 general-purpose I/O pins and operates from a 1.8 V to 3.6 V supply, drawing deep-sleep currents in the nanoampere range. Peripherals like DSBOR, DSWDT and RTCC continue running in Deep Sleep mode, which is the defining value proposition of the XLP family. The architecture uses a 16-bit modified Harvard core with single-cycle hardware multiply, enabling deterministic interrupt response and efficient DSP-class math. Deep Sleep mode reduces current consumption below typical RTC-only baselines while still keeping a wake-up timer active, making the part competitive against ultra-low-power ARM Cortex-M0+ alternatives when total system power budget, not peak performance, is the gating metric. Typical applications include battery-powered sensor nodes, wearable health monitors, remote controls, energy-harvesting systems, IoT edge devices and portable medical accessories. The wide 1.8-3.6 V operating range allows direct connection to single-cell Li-ion or two-AA battery stacks without an external regulator. When designing in this part, place a 0.1 µF decoupling capacitor as close as possible to each VDD pin and bond the exposed thermal pad (EP) to a continuous ground pour to provide both thermal dissipation and a low-impedance return path for high-frequency switching I/O.

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PIC24F16KA304-E/MV

PIC24F16KA304-E/MV - 16KB Flash XLP 16-bit MCU 48-UQFN | Microchip

The Microchip Technology PIC24F16KA304-E/MV is a 16-bit microcontroller from the PIC® XLP™ 24F family, delivering 16 MIPS performance from a 32 MHz core, with 16 KB Flash program memory, 2 KB RAM and 512 bytes EEPROM, housed in a 48-pin UQFN (6x6 mm) package. The "-E" temperature suffix indicates the -40°C to +125°C extended industrial operating range, and the "MV" package designator denotes the UQFN-48 (6x6) variant. The device is purpose-built for power-constrained and battery-powered applications, leveraging Microchip's eXtreme Low Power (XLP) technology to achieve nanoWatt sleep currents with functional peripherals such as DSBOR, DSWDT and RTCC that keep operating in Deep Sleep mode. A 16-bit PIC microcontroller is a member of the advanced Harvard-architecture RISC controller family that executes most instructions in a single cycle, providing higher code density and deterministic throughput than legacy 8-bit parts while retaining the familiar PIC ecosystem of MPLAB X IDE, XC16 compilers and a vast library of application notes. Within the broader hierarchy, PIC24F devices sit between PIC16 (8-bit) and dsPIC33 (16-bit DSP) families, targeting general-purpose embedded applications where low power and rich peripherals matter more than absolute compute. Differentiating specifications include 16 KB self-programmable Flash, 2 KB SRAM, 512 bytes EEPROM, a 12-bit ADC with up to 16 input channels, 5 Capture/Compare/PWM modules, Real-Time Clock and Calendar (RTCC) with calendar mode, 2 I²C, 2 SPI and 2 UART interfaces, a Charge Time Measurement Unit (CTMU) for capacitive touch, and a 16-bit timer/counter bank. The 48-UQFN (6x6 mm) package exposes up to 39 general-purpose I/O pins, suiting compact designs that require many parallel sensor or signal interfaces. Internally, the PIC24F16KA304 uses a 16-bit modified-Harvard core with a 16x16 hardware multiply, single-cycle bit manipulation and a peripheral engine supporting DMA-free interrupt-driven operation. The Deep Sleep state drops current to nanoamp levels while retaining RTCC, DSBOR and DSWDT, enabling years of operation from a single coin cell. CTMU allows touch buttons and proximity sensing without external analogue ICs. Typical applications include IoT sensor nodes, wearable health monitors, battery-powered instrumentation, capacitive touch interfaces, smart utility meters, energy-harvesting nodes and remote controls. The wide 1.8V–5.5V operating range permits direct connection to lithium, alkaline or even energy-harvested supplies. Designers should budget for the 48-UQFN's 0.4 mm pitch reflow profile and ensure the exposed thermal pad is properly soldered to the ground plane to minimise thermal resistance and maximise electrical performance.

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