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PIC24F16KL401-I/P - 16-Bit XLP MCU, 16KB Flash, 32MHz | Microchip
PIC24F16KL401-I/P

PIC24F16KL401-I/P - 16-Bit XLP MCU, 16KB Flash, 32MHz | Microchip

The Microchip Technology PIC24F16KL401-I/P is a 16-bit RISC microcontroller from the PIC24F "KL" family, featuring nanoWatt XLP eXtreme Low Power technology, 16 KB of Flash program memory, 1 KB of SRAM, and 512 bytes of EEPROM. Housed in a 20-pin PDIP (Plastic Dual In-line Package), the device operates at up to 32 MHz and supports a supply voltage range of 1.8V to 3.6V, with full performance specified at 3.0V to 3.6V and a 1.8V low-power operating mode at reduced 8 MHz clock. According to the Microchip product page, the device is AEC-Q100 qualified for automotive applications. A 16-bit microcontroller (MCU) is a microprocessor that processes data 16 bits at a time, offering higher arithmetic precision and code density than 8-bit architectures while remaining simpler and lower cost than 32-bit parts. The PIC24F family sits within Microchip's broader PIC microcontroller hierarchy, between the PIC18 8-bit line and the PIC32 MIPS-based 32-bit line, and belongs to the power management / embedded control category of semiconductors. The "KL" sub-series emphasizes low pin count, low cost, and ultra-low-power operation for battery-powered and energy-harvesting designs. Key features include 18 general-purpose I/O pins, a 10-bit ADC with multiple channels, multiple communication peripherals (MSSP supporting I2C and SPI, plus a UART), Capture/Compare/PWM (CCP) and Enhanced CCP modules, comparators, and a real-time clock. The nanoWatt XLP technology typically delivers sleep currents in the nanoampere range, enabling multi-year battery life in applications such as remote sensors, wearables, and metering. Technically, the PIC24F16KL401 uses a 16-bit modified Harvard architecture with a 24-bit instruction word and 16-bit data path, executed from Flash via a 3-stage pipeline. It supports peripheral pin select (PPS) on select pins and integrates a hardware crypto engine is not present on this part, but on-chip debug is supported via standard ICSP (In-Circuit Serial Programming) and JTAG-compatible interfaces. Internal oscillators reduce external component count. Typical applications include consumer electronics (portable media players, cell-phone accessories, electronic toys), medical devices (disposable low-cost testers, dispensers, inhalers), safety/security peripherals, and low-cost industrial sensor nodes. Its combination of 16-bit performance and 8-bit pricing makes it a strong fit for cost-sensitive upgrades from PIC18 designs. When designing with this MCU, note that the -I/P suffix indicates the industrial temperature grade (-40C to +85C) and PDIP through-hole package. For surface-mount designs, the -I/SS (SSOP-20) or -I/MQ (QFN-20) variants offer the same silicon in different footprints, and code can be ported across them with no firmware changes. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC24F16KL401-I/SO - 16KB Flash 32MHz XLP MCU 20-SOIC | Microchip
PIC24F16KL401-I/SO

PIC24F16KL401-I/SO - 16KB Flash 32MHz XLP MCU 20-SOIC | Microchip

The Microchip Technology PIC24F16KL401-I/SO is a 16-bit microcontroller from the PIC® XLP™ 24F family featuring nanoWatt XLP eXtreme Low Power technology, 16KB of Flash program memory, 1KB of RAM, and a 32MHz MIPS CPU core, housed in a 20-pin SOIC package. It integrates a 10-bit ADC, MSSP (I²C/SPI), CCP/ECCP, multiple PWM and capture/compare/PWM peripherals, and runs from a 1.8V to 3.6V supply, targeting cost-sensitive and battery-powered embedded designs. A microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory (Flash), working RAM, peripherals such as timers, ADCs, and serial interfaces, and interrupt logic into one device. The PIC24F family sits in Microchip's 16-bit MCU hierarchy (8-bit PIC16/PIC18 -> 16-bit PIC24F -> 32-bit PIC32), offering higher throughput than 8-bit parts while preserving the PIC ecosystem's ease of use. The KL sub-family is the entry-level 16-bit tier designed for low-cost migration from PIC18 designs, sharing similar peripheral set names (MSSP, CCP/ECCP) for code portability. Key features include 16KB Flash (5.5K x 24 words), 1KB SRAM, a 10-bit ADC with up to 12 channels, three 16-bit timers, two CCP and one ECCP module, two UART, one MSSP (I²C/SPI selectable), nanoWatt XLP sleep currents in the nanoamp range, and an internal 8MHz oscillator with PLL options. The wide 1.8V–3.6V operating range and ultra-low-power modes (Sleep, Deep Sleep, Idle, Doze) make it well-suited for battery-powered and energy-harvesting systems where quiescent current dominates battery life. Typical applications include consumer appliances, home automation sensor nodes, low-cost remote controls, portable medical accessories, industrial sensor interface modules, LED lighting controllers, and battery-operated IoT edge nodes. The integrated 10-bit ADC and PWM/ECCP peripherals reduce BOM cost by eliminating external signal-conditioning and motor-control components. Engineers migrating from PIC18 to 16-bit performance gain CPU headroom without retraining on a new toolchain. When designing with this device, place a 100 nF decoupling capacitor directly at each VDD pin and a bulk 10 µF tantalum at the board-level supply rail, keep analog traces short and away from switching nodes, and use the device's ICSP™ pins for both in-circuit programming and debugging to keep prototypes field-upgradeable.

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PIC24F16KL401T-I/MQ - 16KB Flash 32MHz 16-bit MCU | Microchip
PIC24F16KL401T-I/MQ

PIC24F16KL401T-I/MQ - 16KB Flash 32MHz 16-bit MCU | Microchip

The Microchip Technology PIC24F16KL401T-I/MQ is a cost-optimized 16-bit PIC24F microcontroller built on the nanoWatt XLP eXtreme Low Power architecture, delivering up to 32MHz CPU performance with 16KB Flash and 1KB SRAM in a 20-pin VQFN (MQ) 5x5mm package with exposed thermal pad. It integrates a 10-bit ADC with up to 12 channels, MSSP for I2C/SPI, a CCP/ECCP for flexible motor/PWM control, and Microchip's enhanced instruction set. What is a 16-bit microcontroller? A 16-bit MCU is a single-chip processor with a 16-bit data path, sitting between 8-bit microcontrollers and 32-bit Cortex-M parts. It is widely used for cost-sensitive mixed-signal applications that need more performance, larger memory and richer peripherals than 8-bit parts but do not justify the BOM cost and power of a Cortex-M0/M4. PIC24F belongs to the Microchip PIC24 family -> 16-bit MCU -> microcontroller -> embedded processing hierarchy. Key features include 16KB (5.5K x 24) Flash program memory, 1KB SRAM, 512B EEPROM-like data flash, 10-bit ADC with up to 9 or 12 channels (variant dependent), 5 CCP/ECCP channels, UART/I2C/SPI peripherals, and nanoWatt XLP sleep currents suitable for battery-powered designs. Operating voltage spans 1.8V to 3.6V. Architecturally, the PIC24F16KL401T-I/MQ combines a 16-bit modified RISC core, an 8-channel hardware multiplier, a 16-bit wide instruction fetch path and dual oscillator options (internal FRC + external crystal/clock). The 'KL' family emphasizes low pin count (14, 20, 28 pin) with the PIC18 peripheral set migrated upward for code-reuse and easy migration from PIC18 designs. Typical applications include portable consumer devices, electronic toys, low-cost medical disposables, safety/security peripherals, sensor interfaces, and battery-powered IoT nodes. The compact 5x5mm VQFN package suits space-constrained PCB layouts. Design tip: Place a 0.1uF decoupling capacitor within 5mm of each VDD pin and a bulk 1uF to 10uF capacitor on the main rail. Use the internal FRC for BOM-cost sensitive designs; switch to an external oscillator only when precise UART baud rates are required. The 'T' suffix denotes tape-and-reel packaging for production. This page synthesizes distributor pricing, drop-in 20-VQFN alternatives, and practical design notes not aggregated on a single datasheet page.

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PIC24F16KL401T-I/SO - 16KB Flash 32MHz 16-bit MCU | Microchip
PIC24F16KL401T-I/SO

PIC24F16KL401T-I/SO - 16KB Flash 32MHz 16-bit MCU | Microchip

The Microchip Technology PIC24F16KL401T-I/SO is a 16-bit PIC microcontroller from the PIC24F KL family featuring nanoWatt XLP eXtreme Low Power technology, 16KB of Flash program memory, 1KB of RAM and a 32 MHz maximum CPU speed, housed in a 20-pin SOIC package supplied on tape-and-reel for high-volume assembly. The part suffix code -T indicates Tape & Reel packaging, the -I code designates the industrial -40C to +85C operating temperature range, and SO refers to the 7.50 mm wide 300 mil SOIC body. The device integrates a 10-bit ADC with up to 17 analog-capable I/O, an MSSP peripheral for I2C and SPI, CCP/ECCP for PWM and capture/compare, and a 5-bit DAC, all within a low-pin-count package aimed at cost-sensitive 16-bit applications. A 16-bit PIC microcontroller is a member of the broader microcontroller (MCU) category of single-chip microcomputers, which sit within the embedded systems hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor device. The PIC24F KL sub-family specifically targets applications that benefit from a 16-bit modified-Harvard core with low-power nanoWatt XLP sleep currents below 1 uA typical, allowing battery-powered end products to extend operational life. The KL line preserves PIC18 peripheral compatibility so that existing PIC18 firmware and toolchains can be migrated upward with minimal disruption. Key features include 16KB (5.5K x 24) Flash program memory, 1KB SRAM, 17 I/O pins, multiple low-power sleep modes including Sleep, Idle, and Deep Sleep, integrated RTCC and WDT, and CTMU support for capacitive touch sensing. The 20-SOIC footprint is industry-standard and compatible with hand-soldering and reflow profiles for JEDEC J-STD-020 MSL-1 moisture sensitivity. The PIC24F16KL401 uses a modified-Harvard 16-bit core running up to 32 MHz delivering approximately 16 MIPS of computational throughput, with a 3-stage pipeline and hardware multiply/divide. nanoWatt XLP technology implements selective peripheral clock gating and multiple oscillator options (HFINTOSC, LFINTOSC, SOSC) so that peripherals can be disabled individually and the core clock can be switched off in sleep. Typical applications include low-cost consumer appliances, battery-powered sensor nodes, IoT edge devices, general-purpose 16-bit upgrades of legacy PIC18 designs, and small home automation or lighting controllers. The 32 MHz speed and 16-bit core deliver enough headroom for protocol stacks such as Modbus RTU over UART, I2C sensor aggregation, or simple graphical user interfaces driving segmented LCDs. When designing with this MCU, allocate the analog-capable I/O pins carefully because pin remapping is limited on 20-pin SOIC variants. Use the internal HFINTOSC at startup to keep the BOM minimal and switch to a higher-accuracy source only if UART timing requires it. Apply the standard 100 nF VDD decoupling near each power pin and follow Microchip AN1267 power-supply layout guidance for nanoWatt XLP parts. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes drawn from the Microchip datasheet family, providing information that complements but does not replace the manufacturer datasheet.

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PIC24F16KL402-E/ML - 16KB Flash 16-bit MCU 28-QFN | Microchip
PIC24F16KL402-E/ML

PIC24F16KL402-E/ML - 16KB Flash 16-bit MCU 28-QFN | Microchip

The Microchip Technology PIC24F16KL402-E/ML is a 16-bit PIC® XLP™ flash microcontroller with 16 KB Flash program memory (5.5K x 24 words), 1 KB SRAM and 512 B EEPROM, operating at up to 32 MHz / 16 MIPS from a 1.8 V to 3.6 V supply, housed in a 28-pin QFN (6 x 6 mm) package with exposed thermal pad. The PIC24F16KL402 family belongs to the PIC24F "KL" family of eXtreme Low Power microcontrollers built around Microchip's nanoWatt XLP™ technology, which combines a 16-bit modified Harvard RISC core with PIC18-compatible peripheral blocks such as MSSP (I²C/SPI) and CCP/ECCP, making it easy to migrate 8-bit PIC designs to a 16-bit platform without losing the familiar peripheral set. In the broader taxonomy this is a 16-bit microcontroller (MCU) within the PIC24F family, which itself sits inside the Microchip PIC® microcontroller portfolio, classifying it as a low-power, general-purpose embedded controller for cost-sensitive applications. The "KL" family features up to 16 MIPS performance at 3.3 V with hardware AES/CRC/Cyclic Scan (CWG/CTMU) support, sleep currents typically in the nano-amp range, deep-sleep retention, RTCC with calendar mode, and a CTMU for capacitive touch and mA-range timer measurement. Peripherals are intentionally scaled down to keep die cost low while still offering 25 I/O pins, three 16-bit timers, two analog comparators, a 10-bit ADC with 200 ksps and up to 9 channels, plus two UART/I²C/SPI configurable serial interfaces. The 28-QFN (6 x 6 mm) package provides a low-profile, surface-mount footprint with exposed pad for improved thermal dissipation. Typical applications include consumer electronics (portable media players, cell phone accessories, e-toys, portable sports gear), low-cost medical devices (single-use testers, dispensers, inhalers), safety/security peripherals (sensor nodes, alarm keypads), capacitive touch user interfaces (small appliances, lighting control), and battery-powered remote sensor / metering nodes where XLP sleep currents dominate lifetime. The device is also widely used in cost-sensitive industrial controls such as simple HMI panels, sensor conditioning and small motor-driver sequencers. When designing, verify that your code-development toolchain targets the KL402 sub-family (MPLAB® XC16 compiler and PIC24F16KL402 device support pack), allow adequate ground and power decoupling near the exposed pad, and observe the maximum I/O sink/source ratings specified in the family datasheet for the 28-QFN pinout. Programming/debug is via the ICSP™ interface using MPLAB® REAL ICE™/ICD/PICkit™ tools. This page synthesizes distributor pricing, pin-compatible (28-QFN) drop-in alternatives and engineering design notes not found in the manufacturer datasheet alone.

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PIC24F16KL402-E/SO - 16KB Flash 32MHz XLP MCU | Microchip
PIC24F16KL402-E/SO

PIC24F16KL402-E/SO - 16KB Flash 32MHz XLP MCU | Microchip

The Microchip Technology PIC24F16KL402-E/SO is a 16-bit PIC® XLP™ eXtreme Low Power microcontroller delivering 32 MHz / 16 MIPS performance with 16 KB Flash, 1 KB RAM and 512 B EEPROM in a 28-pin SOIC package. It targets cost-sensitive embedded designs that need more computational headroom than 8-bit MCUs while staying within tight power budgets. What is a PIC24F XLP microcontroller? A PIC24F XLP MCU is a 16-bit modified-Harvard RISC microcontroller from Microchip that combines a rich peripheral set inherited from PIC18 parts (MSSP for I2C/SPI, CCP/ECCP for PWM/capture/compare) with the company's nanoWatt XLP technology, which provides ultra-low sleep currents suitable for battery-powered applications. It sits between 8-bit PIC16/PIC18 MCUs and the higher-end dsPIC33/PIC32 families, optimised for low cost, low pin count and low power. Key features include a 32 MHz internal oscillator, 17 channels of 10-bit ADC, two comparators, four 16-bit timers, and hardware CRC. The C-compiler-friendly MIPS core simplifies migration from PIC18 designs while giving designers access to 16-bit-wide data paths, 16-element register files and a hardware multiply/divide unit. Communications peripherals include one I2C/SPI MSSP, one UART with LIN support, and up to 25 I/O pins. The 16 KB self-programmable Flash supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), enabling field firmware updates and post-assembly programming. nanoWatt XLP technology delivers typical sleep currents in the nanoampere range, watchdog and RTCC wake sources, and a low-power supervisor. Combined with 1.8-3.6V wide VDD, the device suits unregulated Li-ion or 2xAA inputs. Typical applications include low-cost sensor nodes, low-power remote controls, battery-powered thermostats, wearables, and consumer appliances that demand low standby current with 16-bit math. The E/SO operating range covers -40°C to +125°C for industrial environments. When designing with this device, place the 28-SOIC version (extended SOIC) where you need >25 I/O and through-hole-friendly PCB test points. The 32-MHz internal oscillator typically eliminates an external crystal for cost-sensitive designs, but add an external crystal when timing accuracy is critical (e.g., for LIN or USB bit-banging). This page synthesises distributor pricing, drop-in alternatives within the KL402 family, and practical design notes that complement Microchip datasheet DS30001037D.

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PIC24F16KL402-E/SP - 16-bit XLP MCU, 16KB Flash, 28-SPDIP | Microchip
PIC24F16KL402-E/SP

PIC24F16KL402-E/SP - 16-bit XLP MCU, 16KB Flash, 28-SPDIP | Microchip

The Microchip Technology PIC24F16KL402-E/SP is a 16-bit PIC® XLP™ microcontroller featuring nanoWatt XLP eXtreme Low Power technology, 16KB Flash program memory, 1KB RAM, 512B EEPROM, and a 32MHz (16 MIPS) CPU core housed in a 28-pin SPDIP (SP) through-hole package. It targets cost-sensitive applications that need 16-bit computational headroom beyond typical 8-bit platforms while staying within tight power budgets. The device operates from 1.8V to 3.6V and integrates peripherals such as MSSP (I²C/SPI), CCP/ECCP, 10-bit ADC, comparators, and RTCC. A PIC24F 16-bit microcontroller is a member of the microcontroller family (MCU) within the broader semiconductor hierarchy: microcontroller -> embedded processor -> integrated circuit. The PIC24F line combines Microchip's classic PIC Harvard architecture with a 16-bit modified-RISC core, 16-bit wide instructions, and rich peripheral integration, giving it substantially more throughput than PIC18 (8-bit) parts at similar clock speeds. The KL402 sub-family specifically targets low-pin-count, low-power designs, providing nanoWatt XLP sleep currents in the sub-microamp range to extend battery life in IoT and portable products. Key features that differentiate this part include 16KB Flash (5.5K x 24 instruction words), 1KB SRAM, 512B EEPROM for non-volatile data storage, 22 I/O pins, 3 UART, 2 I²C, 2 SPI, up to 9-channel 10-bit ADC, 2 analog comparators, and a Charge Time Measurement Unit (CTMU) for touch or capacitance sensing. The device also supports 5-channel PWM via CCP/ECCP and includes an RTCC with calendar mode. These features make it well suited for sensor hubs, low-power wireless control nodes, and human-interface peripherals. The KL402 silicon integrates a wide operating voltage window (1.8V-3.6V), allowing direct battery operation from a single Li-Ion, two AA cells, or a 3.3V regulated rail. The nanoWatt XLP technology delivers Sleep currents as low as 20 nA typical with RTCC running, supporting multi-year battery life in always-on sensor designs. Internal PLL and oscillator options (8 MHz internal RC with PLL up to 32 MHz) remove the need for external crystals in many cost-sensitive applications, reducing BOM cost and PCB area. Typical applications include low-power wireless sensor nodes, battery-powered IoT devices, consumer remote controls, small appliances, low-cost HMI panels, energy-harvesting systems, and portable medical monitoring peripherals. In each case, the combination of eXtreme Low Power modes, ample memory, and Microchip's MPLAB X IDE + XC16 toolchain keeps firmware development fast and portable. When designing with this part, use the internal 8 MHz RC oscillator when BOM cost matters, but switch to an external crystal only if the application needs precise UART baud rates or USB timing. Always enable the watchdog timer for unattended remote nodes and use the RTCC for scheduling wake-ups rather than busy-loop delays. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24F16KL402-E/SS - 16-Bit 32MHz XLP MCU | Microchip
PIC24F16KL402-E/SS

PIC24F16KL402-E/SS - 16-Bit 32MHz XLP MCU | Microchip

The Microchip Technology PIC24F16KL402-E/SS is a cost-effective 16-bit PIC24F flash microcontroller with a 32 MHz maximum CPU frequency, 16 KB of program Flash, 8 KB of data RAM, 512 bytes of EEPROM, and low-power nanoWatt XLP operation. It is packaged in a 28-pin SSOP for compact embedded designs. The E suffix identifies the extended-temperature option, while the SS package designation identifies the surface-mount SSOP form used by this ordering code. A microcontroller is a compact embedded-processing system that combines a processor core, memory, peripherals, and I/O in one integrated circuit. The PIC24F belongs to the 16-bit MCU category and sits within the broader embedded-controller and semiconductor hierarchy. Compared with an 8-bit MCU, the 16-bit architecture supports higher computational throughput and more efficient handling of control logic, while retaining a cost-conscious design suited to appliances, industrial controls, and portable products. PIC24F16KL402-family devices emphasize eXtreme Low Power consumption through nanoWatt XLP features, allowing energy-efficient operation in cost-sensitive embedded products. The family includes PIC18-style peripherals such as MSSP for I2C or SPI communication and CCP/ECCP modules for capture, compare, PWM, and motor-control functions. These integrated peripherals reduce external hardware requirements and simplify firmware implementation for common control tasks. The verified product listing identifies 16 KB of Flash organized as 5.5K x 24 words. Other distributor snippets describe the PIC24F core, 8 KB of RAM, 512 bytes of EEPROM, and a 3 V operating class. The manufacturer describes the family as economical, low-pin-count, low-power devices aimed at applications that require more computational capability than an 8-bit platform. One product source also describes a 2 V to 3.3 V device range, while the available verified material does not establish every detailed electrical limit. Typical uses include portable consumer products, low-cost medical testing and dispensing equipment, safety and security systems, and industrial or automotive controls. The 28-pin SSOP footprint is useful where a small package and mixed analog, digital, communication, and timing resources are needed. Designers should verify the exact pin function, peripheral availability, clock configuration, and operating limits against the manufacturer family data sheet before releasing a PCB or production firmware. A key design consideration is preserving low-power behavior after peripheral configuration. Unused pins, oscillators, timers, communications modules, and analog blocks should be initialized deliberately so the firmware does not prevent the intended nanoWatt XLP duty cycle. Decoupling, programming, clock stability, and unused-pin handling should follow the relevant Microchip guidance rather than relying on assumptions from a different PIC24F family member. This page consolidates the verified manufacturer, distributor, and cross-reference sources into an engineering-oriented overview of the PIC24F16KL402-E/SS, including available pricing, package details, application guidance, and a conservative assessment of verified drop-in alternatives.

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PIC24F16KL402-I/ML - 16KB Flash 16-bit MCU XLP 28-QFN | Microchip
PIC24F16KL402-I/ML

PIC24F16KL402-I/ML - 16KB Flash 16-bit MCU XLP 28-QFN | Microchip

The Microchip Technology PIC24F16KL402-I/ML is a cost-effective 16-bit PIC24F microcontroller with nanoWatt XLP eXtreme Low Power technology, delivering 16 MIPS performance at 32 MHz core clock in a 28-pin QFN (6x6 mm) package. It integrates 16 KB of Flash program memory, 1 KB of SRAM data memory, and 512 bytes of data EEPROM, with on-chip peripherals carried over from the PIC18 family such as MSSP (I2C/SPI) and CCP/ECCP for design flexibility and easy upward migration. A 16-bit microcontroller (MCU) is an embedded processor that executes instructions on a 16-bit-wide data path, striking a balance between 8-bit devices (low cost, simple peripherals) and 32-bit devices (high performance, complex ecosystems). Within the broader taxonomy, the PIC24F16KL402 sits in the microcontroller -> embedded processor -> integrated circuit -> semiconductor chain, and within Microchip's portfolio it belongs to the PIC24F16KL40x family of XLP (eXtreme Low Power) MCUs optimized for battery-powered and energy-harvesting designs. Key features include a wide operating voltage range of 1.8V to 3.6V, 17 general-purpose I/O pins, a 10-bit ADC with up to 12 channels, four 16-bit timers, and ultra-low-power sleep modes that draw as little as 30 nA in Deep Sleep. The 28-QFN package offers a compact 6x6 mm footprint and a thermal pad for improved heat dissipation, suitable for space-constrained PCB designs. The nanoWatt XLP architecture integrates multiple power-saving modes (Doze, Idle, Sleep, Deep Sleep) and a hardware Real-Time Clock/Calendar for unattended operation. The PIC24F16KL402 uses a modified Harvard 16-bit core with single-cycle hardware multiply and divide, eliminating the bottleneck of software emulation common in 8-bit cores. Its peripheral set includes Capture/Compare/PWM (CCP/ECCP), Master Synchronous Serial Port (MSSP) configurable for SPI or I2C, UART, a 10-bit ADC, and comparators. The architecture supports in-circuit serial programming (ICSP) and in-circuit debugging via two debug pins. Typical applications include battery-powered sensor nodes, wearable health monitors, low-cost consumer electronics, IoT edge devices, and cost-sensitive industrial controls. The combination of 16-bit throughput, generous memory, and nanoWatt XLP power efficiency makes it well-suited for designs migrating from PIC18F where more MIPS or RAM are required without abandoning the familiar peripheral set. When designing with this device, ensure decoupling capacitors are placed close to VDD/VSS pairs and that the ICSP/ICD pins are routed to a programming header for in-circuit debug access during prototyping.

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PIC24F16KL402-I/SO - 16-bit XLP MCU 32MHz 16KB Flash 28-SOIC | Microchip
PIC24F16KL402-I/SO

PIC24F16KL402-I/SO - 16-bit XLP MCU 32MHz 16KB Flash 28-SOIC | Microchip

The Microchip PIC24F16KL402-I/SO is a 16-bit PIC24F microcontroller featuring nanoWatt XLP eXtreme Low Power technology, 16KB Flash program memory, 32 MHz CPU clock, and a 28-pin SOIC package. It is part of the cost-effective PIC24F "KL" family aimed at applications requiring low-power consumption with more computational ability than an 8-bit platform provides. A 16-bit microcontroller (MCU) is a programmable computing engine with a 16-bit data path, instruction set, internal buses, and registers. Within the broader MCU hierarchy, the PIC24F16KL402 belongs to the 16-bit MCU category, sitting above 8-bit MCUs (e.g., PIC16) in performance and below 32-bit Cortex-M/MIPS cores in computational throughput. It uses a modified Harvard layout, persistent SRAM, and a RISC-style instruction set with hardware MAC support for DSP-like operations. Key features include 16KB Flash (5.5K x 24 instruction words), 1KB RAM, a 10-bit ADC, dual I2C/SPI (MSSP) peripherals, CCP/ECCP, multiple timers, and 25 I/O pins on the 28-SOIC variant. Typical run-mode current is 150 uA/MHz at 1.8V, with deep Sleep currents in the nanoamp range thanks to nanoWatt XLP technology. The PIC24F16KL402 architecture integrates a wide operating voltage range (1.8V-3.6V), internal oscillator options, a configurable RTCC, and a 16-bit-wide data path. Its hardware multiplier and DSP-friendly instructions enable efficient signal processing while keeping code size compact - the 16 KB Flash translates to roughly 5.5K single-word instructions. Typical applications include portable consumer devices (media players, electronic toys, cell phone accessories), low-cost medical disposables (testers, inhalers), safety/security peripherals, sensor signal conditioning, and battery-powered IoT nodes where every nanosecond down matters. When using this part, match the 28-SOIC footprint carefully; the PIC24F "KL" family ships in 14/20/28-pin variants with different pinouts. Verify peripheral mapping and voltage rails against your design, and use MPLAB X IDE with the XC16 compiler to leverage the DSP library and XLP-aware PMD bits. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24F16KL402-I/SP - 16-Bit 32MHz 16KB MCU | Microchip
PIC24F16KL402-I/SP

PIC24F16KL402-I/SP - 16-Bit 32MHz 16KB MCU | Microchip

The Microchip Technology PIC24F16KL402-I/SP is a cost-sensitive 16-bit PIC microcontroller featuring nanoWatt XLP technology for eXtreme Low Power consumption. It operates at up to 32 MHz, provides 16 KB of Flash memory and 1 KB of SRAM, and is packaged in a 28-pin SPDIP. The MCU combines computational capability beyond an 8-bit platform with power-management features for embedded, portable, and cost-constrained products. A microcontroller is a semiconductor device that integrates a processor core, program memory, data memory, peripherals, and I/O into one package. The PIC24F16KL402 belongs to the 16-bit PIC24F family and uses a PIC RISC architecture. Its MSSP peripheral supports I2C and SPI communication, while its CCP/ECCP blocks provide flexible capture, compare, and PWM functions. These features make the device useful in portable media players, accessories, low-cost testers, dispensers, inhalers, security products, and other low-power embedded systems. The verified product listing identifies 16 KB of Flash organized as 5.5K x 24 words, 1 KB of RAM, a 10-bit ADC, a 3 V supply description, and a maximum clock speed of 32 MHz. The -I/SP suffix denotes an industrial-temperature, through-hole SPDIP ordering configuration according to the distributor listings. The family documentation describes the part as a 28-pin, low-power device, while the product data identifies nanoWatt XLP functionality and PIC18-family peripherals such as MSSP and CCP/ECCP. The MCU is positioned for systems requiring more processing capability than an 8-bit controller without adopting a higher-cost architecture. Its low-power feature set is particularly relevant for battery-operated and portable equipment, where average current consumption can affect battery life and user experience. The family documentation specifically identifies consumer, medical, and safety/security applications, including portable media players, portable GPS, cell-phone accessories, electronic toys and games, portable sports gear, disposable medical testers, dispensers, inhalers, and security equipment. Designers should choose this MCU when they need a low-pin-count, through-hole package and a cost-effective 16-bit control platform. They should verify the exact pin assignments, peripheral multiplexing, clock configuration, ADC channels, and electrical limits from the Microchip family data sheet before layout or firmware development. For new production, procurement teams should also confirm current pricing and inventory directly with an authorized distributor. This product page combines the verified Microchip product information, distributor specifications, pricing references, and practical selection context. It also distinguishes true same-package drop-in alternatives from functional replacements that may require PCB changes. The information is intended to support engineering comparison, sourcing, and design-in decisions rather than replace the manufacturer’s complete technical documentation.

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PIC24F16KL402-I/SS - 16-bit XLP MCU, 32MHz, 16KB Flash | Microchip
PIC24F16KL402-I/SS

PIC24F16KL402-I/SS - 16-bit XLP MCU, 32MHz, 16KB Flash | Microchip

The Microchip Technology PIC24F16KL402-I/SS is a 16-bit PIC24F microcontroller built on the nanoWatt XLP eXtreme Low Power architecture, delivering up to 32 MHz (16 MIPS) performance from a 3.3 V supply in a 28-pin SSOP package. It integrates 16 KB of Flash program memory (5.5K x 24 words), 1 KB of SRAM, and a feature set tailored for cost-sensitive, low-power applications that need more computational headroom than 8-bit MCUs can provide. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The 16-bit PIC24F family sits between 8-bit PIC18 devices and 32-bit PIC32 parts in Microchip's portfolio, offering a balance of low cost, low power, and higher code density for C-based firmware. The 'KL' sub-series is the low-pin-count, low-power branch aimed at consumer, medical, and portable safety/security products. Key features include a 10-bit, up to 12-channel A/D converter with 500 ksps conversion rate and Sleep/Idle-mode sampling, dual rail-to-rail analog comparators with programmable I/O, an on-chip voltage reference, three 16-bit timers, a 16-bit Capture/Compare/PWM (ECCP) module, an MSSP peripheral supporting both I2C and SPI, and up to 25 general-purpose I/O pins. The nanoWatt XLP technology enables currents below 1.8 µA in Sleep mode with RTCC and 30 nA in deep Sleep. According to the Microchip PIC24F16KL402 Family Data Sheet, the device supports ICD (In-Circuit Debug) via dedicated PG/RE pins and operates across -40 °C to +85 °C industrial temperature range. Typical applications include low-cost medical disposables (testers, dispensers, inhalers), portable consumer electronics (media players, GPS accessories, cell phone peripherals, electronic toys and games), safety/security sensors, battery-powered sensor nodes, and home appliances. The wide peripheral mix allows designers to migrate existing PIC18 firmware while gaining 16-bit performance. When designing with this part, plan for a 3.3 V core supply, place 0.1 µF decoupling near each VDD pin, and connect the exposed pad (where present) to the ground plane for thermal relief. The MSSP can be configured for either I2C or SPI but not both simultaneously; firmware must select one mode at runtime.

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PIC24F16KM102-E/ML - 16KB 32MHz XLP 16-bit MCU | Microchip
PIC24F16KM102-E/ML

PIC24F16KM102-E/ML - 16KB 32MHz XLP 16-bit MCU | Microchip

The Microchip PIC24F16KM102-E/ML is a 16-bit PIC24F microcontroller from the nanoWatt XLP eXtreme low-power family, delivering 32 MHz performance with 16 KB Flash, 1 KB RAM and 512 B EEPROM. Housed in a 28-pin QFN (6x6 mm) package, this MCU is optimized for low-cost, low-pin-count applications that demand ultra-low power consumption. A PIC microcontroller (MCU) is a compact programmable processor integrating CPU, Flash, RAM, EEPROM, and digital/analog peripherals on a single silicon die. It belongs to the broader hierarchy: microcontroller -> embedded processor -> semiconductor device. The 16-bit PIC24F family sits above 8-bit PIC16 devices and below 32-bit PIC32 devices, balancing code efficiency, deterministic interrupt latency, and ease of programming with the MPLAB X IDE and XC16 compiler toolchain. Key differentiating features of the PIC24F16KM102-E/ML include nanoWatt XLP sleep currents below 1 uA, flexible Capture/Compare/PWM (MCCP/SCCP) modules for motor or timing control, a Configurable Logic Cell (CLC) for hardware glue logic, an integrated 12-bit ADC with multiple comparators, and 5V-tolerant I/O supporting both 3 V and 5 V application rails. The 32 MHz core executes 16 MIPS, enabling responsive control algorithms in real-time embedded loops. Architecturally, the device combines a modified Harvard core with DSP-friendly instructions, 17-bit wide instruction paths, and a 16-bit data path. The result is efficient interrupt response and predictable deterministic timing suitable for digital power conversion, motor control, and sensor signal conditioning. The peripheral set is event-triggable and supports DMA-style peripheral mapping for low-CPU-load operation. Typical uses include microcontrollers that drive portable medical devices, IoT edge sensors, low-power wireless sensor nodes, consumer appliances, and industrial control boards where battery life, deterministic performance, and small PCB footprint are essential. The extended -40C to +125C operating range supports harsh-environment deployment. When designing with this device, ensure MPLAB X IDE and the latest XC16 compiler are installed, since peripheral libraries are version-sensitive. Place a 1 uF plus 100 nF decoupling pair adjacent to every VDD/VSS pin pair, and route the ICSP programming signals (PGECx/PGEDx) to a debug header. Verify that the QFN thermal pad is soldered to a sufficient copper pour for reliable thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F16KM102-E/SO - 16KB Flash 16-bit MCU 28-SOIC | Microchip
PIC24F16KM102-E/SO

PIC24F16KM102-E/SO - 16KB Flash 16-bit MCU 28-SOIC | Microchip

The Microchip Technology PIC24F16KM102-E/SO is a 16-bit microcontroller from the PIC24F XLP family featuring 16KB (5.5K x 24) of Flash program memory, 1KB of RAM and 512 bytes of EEPROM, housed in a 28-pin SOIC (7.50 mm body width) package. The device integrates a 16-bit PIC core capable of 32 MHz operation (8 MIPS), supports both 3V and 5V application rails, and consumes nanoWatt Xtreme low power for battery-friendly designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), EEPROM for data retention, and a rich set of peripherals including ADC, timers, communication interfaces and GPIOs. MCUs sit at the lowest tier of the embedded-computing hierarchy above discrete logic and below microprocessors/M SoCs, and are the foundational building block for nearly every embedded product from sensor nodes to industrial controllers. The PIC24F family specifically targets low-power, mixed-signal applications where XLP (eXtreme Low Power) sleep currents in the nanoampere range are required. Key features include a 12-bit A/D converter with multiple input channels, multiple Capture/Compare/PWM (MCCP/SCCP) modules for motor or power control, analog comparators, configurable logic cells (CLC), and a wide operating temperature window. The XLP nanoWatt technology delivers sleep currents below typical competing MCUs and supports multiple low-power modes such as Sleep, Idle and Doze. The architecture pairs a 16-bit modified-Harvard CPU with a hardware multiplier and a 32 kHz to 32 MHz internal oscillator block, simplifying BOM by removing external crystals in cost-sensitive designs. The on-chip 12-bit ADC, op-amps, comparators and CLC blocks allow analog front-ends to be built with very few external components, while the MCCP/SCCP peripherals support PWMs for motor, lighting and SMPS control loops. Typical applications include industrial sensor nodes, low-power IoT edge devices, portable medical accessories, consumer white goods with motor control, capacitive-touch human-interface panels, and battery-powered metering. The wide 1.8V to 3.6V VDD range (with PIC24FV variants at 2.0V to 5.5V) supports single-cell Li-ion or 2x AA chemistries directly. The 28-SOIC package is friendly to hand-soldering and low-cost 2-layer PCBs. When designing with this device, plan the GPIO/peripheral mapping early, because the limited 28-pin count forces trade-offs between analog channels, PWM outputs and comms interfaces. Also ensure the configuration bits are programmed correctly to enable the internal oscillator and disable unused peripherals for lowest sleep current. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC24F family, and practical design notes not collected together in the manufacturer datasheet.

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PIC24F16KM102-I/SO - 16-bit 32MHz XLP MCU 16KB Flash | Microchip
PIC24F16KM102-I/SO

PIC24F16KM102-I/SO - 16-bit 32MHz XLP MCU 16KB Flash | Microchip

The Microchip Technology PIC24F16KM102-I/SO is a 16-bit PIC® XLP™ (eXtreme Low Power) microcontroller featuring a 32 MHz MIPS CPU core, 16 KB of Flash program memory, 1 KB of SRAM, and 512 bytes of EEPROM, housed in a 28-pin SOIC (SO) wide-body package. It integrates a 12-bit A/D converter with up to 19 channels, multiple Capture/Compare/PWM (MCCP/SCCP) timers, comparators, and a Configurable Logic Cell (CLC) for hardware peripheral customization. The KM family is positioned as a low-pin-count, low-cost extension of the PIC24F lineup targeting battery-powered and space-constrained designs. A 16-bit PIC microcontroller is a member of the broader microcontroller (MCU) family, which sits within embedded computing and semiconductor hierarchies. PIC24F devices use a modified Harvard RISC architecture with 16-bit instructions and 24-bit address space, balancing 8-bit MCU simplicity with 32-bit-class performance at low power. They belong to Microchip's nanoWatt XLP™ product tier, where extreme low-power operation is the primary design driver rather than raw performance. Key features include a wide operating voltage range of 1.8 V to 5.5 V for the PIC24F variant, deep sleep modes with nanoWatt current consumption, multiple serial interfaces (UART, SPI, I2C), and rich analog peripherals for sensor interfacing. The CLC peripheral allows glue-logic implementation in hardware, reducing firmware overhead and CPU wakeups. Compared to the older PIC24F16KA family, the KM devices add configurable logic and improved ADC performance while retaining the same compiler and MPLAB X toolchain compatibility. The architecture combines a single-cycle 16-bit datapath with DSP-oriented instructions and hardware multiply/divide, enabling efficient signal processing at clock rates up to 32 MHz (8 MIPS). The 12-bit ADC supports up to 200 ksps, suitable for sensor acquisition loops in IoT nodes. The combination of CLC, comparators, and PWM allows closed-loop motor control, lighting control, and power conversion feedback without external logic. Typical applications include low-power IoT sensor nodes, consumer electronics remote controls, battery-powered medical devices, and industrial sensor interfaces. The wide 1.8 V to 5.5 V supply range and integrated analog simplify designs powered directly from single-cell Li-ion, two AA cells, or regulated 3.3 V rails. The device is also commonly used in touch-sense front ends, low-cost motor control boards, and HVAC peripherals. When designing with the PIC24F16KM102-I/SO, ensure that the wide-body 28-SOIC footprint (7.50 mm body width) is correctly placed in PCB libraries - the SO package is mechanically larger than the SSOP variant in the same family. Also note that firmware is portable across KM and KA flash families, but pin assignments for the CLC and comparator outputs differ between SO and SS/SP/QFN variants. This page synthesizes distributor pricing across 9 channels, validated drop-in alternatives within the same SOIC-28 footprint, and practical design notes not found in the standalone datasheet.

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PIC24F16KM102-I/SP - 16KB Flash 32MHz 16-bit XLP MCU | Microchip
PIC24F16KM102-I/SP

PIC24F16KM102-I/SP - 16KB Flash 32MHz 16-bit XLP MCU | Microchip

The Microchip Technology PIC24F16KM102-I/SP is a 16-bit PIC24F microcontroller featuring 16KB (5.5K x 24 words) of Flash program memory, 2KB of SRAM and 512B of EEPROM, executing up to 32 MHz (16 MIPS) from a 1.8V to 5.5V supply in a 28-pin SPDIP (0.300 inch, 7.62mm) through-hole package. It is part of the nanoWatt XLP (eXtreme Low Power) PIC24F family with on-chip Configurable Logic Cells (CLC), Capture/Compare/PWM, a 12-bit ADC and UART/SPI/I2C peripherals aimed at cost-sensitive 3V and 5V embedded designs. What is a PIC24F microcontroller? PIC24F is Microchip's 16-bit Modified-Harvard MCU architecture - the mid-range step between the 8-bit PIC16/PIC18 and the 32-bit PIC32. PIC24F devices use a 24-bit instruction word with 16-bit data paths, offer far richer peripherals than PIC16/PIC18 while consuming less power and costing less than PIC32. The 'F' suffix indicates Flash program memory. PIC24F sits in the taxonomy: PIC24F -> 16-bit MCU -> microcontroller -> embedded IC -> semiconductor. Key features of the PIC24F16KM102-I/SP include nanoWatt XLP deep-sleep modes that drop current to the sub-microamp range, a 12-bit A/D converter with up to 9 channels, multiple 16-bit timers, a Real-Time Clock and Calendar (RTCC) module, and on-chip CLC that lets designers wire internal peripherals into custom combinational/sequential logic without external gates. The device supports 24 I/O pins across its 28-pin SPDIP body, giving ample headroom for sensor and user-interface integration. Architecturally, the PIC24F16KM102 pairs a modified-Harvard CPU with single-cycle 16-bit ALU operations, hardware Multiply and Divide, and an interrupt controller that supports both fixed and programmable priority levels. The wide 1.8V to 5.5V operating range means the same part can power directly from a single Li-ion cell, two alkaline cells, a 3.3V LDO output, or a regulated 5V rail - eliminating a level-shifter stage in mixed-voltage designs. Typical applications include battery-powered IoT sensor nodes, consumer appliances, low-cost motor and lighting controllers, USB-CDC serial bridges, and industrial control modules. In each, the XLP sleep currents below 1 uA extend battery life, while the CLC and PWM simplify BOM by removing discrete gates and timer ICs. Design consideration: when migrating from PIC24F16KA102 designs, verify peripheral remapping and CLC pin assignments - although both are XLP PIC24F parts, the KM family expands logic-cell and PWM resources. This page synthesizes distributor pricing, drop-in alternatives and design notes not found in the standalone Microchip datasheet.

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PIC24F16KM102-I/SS - 16KB Flash 16-bit MCU | Microchip | SSOP-28
PIC24F16KM102-I/SS

PIC24F16KM102-I/SS - 16KB Flash 16-bit MCU | Microchip | SSOP-28

The Microchip PIC24F16KM102-I/SS is a 16-bit PIC24F microcontroller delivering 16 KB of Flash program memory, 1 KB of RAM and 512 bytes of EEPROM in a 28-pin SSOP package. It operates at up to 32 MHz core clock with an integrated 16-bit MIPS-modified Harvard architecture and supports a wide 1.8 V to 5.5 V supply range that covers both 3.3 V and 5 V application rails. The MCU integrates a 12-bit A/D converter, multiple Capture/Compare/PWM modules, configurable logic cells (CLC), and serial peripherals including I2C, SPI, UART and IrDA/LIN. A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit datapath, program counter and ALU, positioned between 8-bit MCUs and 32-bit MCUs in the embedded hierarchy: 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC24F family belongs to the nanoWatt XLP eXtreme Low Power family and is widely used in cost-sensitive, low-pin-count, battery-powered designs that need higher arithmetic performance than 8-bit parts without the cost of a 32-bit ARM core. Key features include 24 general-purpose I/O pins, brown-out reset, low-voltage detect, power-on reset, watchdog timer, PWM output, and a peripheral pin select (PPS) mapping engine. The on-chip Configurable Logic Cell lets designers implement glue-logic, waveform synthesis or simple state machines in hardware without external gates, reducing BOM cost and PCB area. The device uses a modified Harvard architecture with separate program Flash and data EEPROM/RAM buses, allowing concurrent instruction fetch and data access for deterministic 32 MHz performance. PPS routing of digital peripherals to physical pins gives layout flexibility, while the 12-bit ADC can be paired with the CLC for sensor-edge processing. Typical applications include consumer white goods, low-cost sensor nodes, building automation, portable instrumentation, and USB/HID-free human-interface boards. The wide operating voltage also makes it suitable for industrial 24 V-bus-derived rails after pre-regulation. Compared to PIC24F16KA102-I/SS, this KM102 variant adds configurable logic cells and more flexible timer options, while sharing the same Flash and RAM density for direct migration. When designing with this part, allocate decoupling of 100 nF plus 10 uF bulk close to VDD/VSS, keep ADC traces short, and use the PPS feature to remap peripherals instead of re-spinning the PCB. The CLC module must be configured before peripheral disable to avoid transient logic glitches. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and firmware teams a single reference for evaluating the PIC24F16KM102-I/SS against modern 32-bit alternatives.

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PIC24F16KM102T-I/SO - 16-bit XLP 32MHz MCU, 16KB Flash | Microchip
PIC24F16KM102T-I/SO

PIC24F16KM102T-I/SO - 16-bit XLP 32MHz MCU, 16KB Flash | Microchip

The Microchip Technology PIC24F16KM102T-I/SO is a 16-bit PIC® XLP™ (eXtreme Low Power) microcontroller running at 32 MHz with 16 KB Flash, 1 KB RAM and 512 bytes of EEPROM in a 28-pin SOIC wide-body package. It belongs to the PIC24F KM1 family of nanoWatt XLP microcontrollers, delivering 16 MIPS of throughput with a 5.5 V image per pin and supporting both 3 V and 5 V applications. The 'I' suffix denotes the industrial temperature range of -40 °C to +85 °C, while the 'T' indicates tape-and-reel packaging. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of on-chip peripherals such as timers, ADC, communication interfaces and configurable logic. The PIC24F family is built around Microchip's 16-bit modified Harvard architecture, sitting in the hierarchy between 8-bit PIC MCUs and the higher-end dsPIC/PIC 32 families. The XLP designation indicates aggressive nanoWatt sleep-current design, making KM1-series parts especially well-suited to battery-powered or energy-harvesting products. Key features of the PIC24F16KM102T-I/SO include 16 KB Flash (5.5 K × 24 instruction words), 1 KB RAM and 512 bytes of EEPROM, three 16-bit Capture/Compare/PWM (MCCP/SCCP) modules, a 12-bit A/D converter with up to 10 channels, analog comparators, a Configurable Logic Cell (CLC) for hardware glue logic, and a rich set of serial peripherals including I²C, SPI and UART. The wide 1.8 V to 5.5 V operating voltage range plus a low-power sleep current in the microamp range positions this part for portable, sensor and consumer devices. The architecture combines a 16-bit data path with an 8-channel DMA, dual 16-bit timers and a flexible pin-mapping Peripheral Pin Select (PPS) block. PPS allows digital peripherals to be remapped to a wide range of I/O pins at runtime, which simplifies PCB layout and BOM reuse inside the KM1 family. The 12-bit ADC supports up to 500 ksps with hardware accumulation, and the CLC block can implement state machines, waveform generation and signal conditioning in pure hardware. Typical applications include ultra-low-power sensor nodes, battery-powered IoT endpoints, portable medical accessories, consumer human-interface devices, low-cost motor control, and general-purpose embedded control with a 3 V coin-cell or USB-derived supply. The 28-pin SOIC package also enables hand-soldering and breadboarding for prototype and hobby use. Compared with smaller 14/20-pin KM1 devices, the 28-pin variants expose more ADC channels and PWM channels, so they fit designs where more analog or timing resources are required. When designing with this part, budget for an external decoupling network of 100 nF + 10 µF within 5 mm of every VDD/VSS pair, and use the PPS block to keep high-speed signals short. The KM1 family shares its MPLAB X IDE toolchain, MCC code configurator and XC16 compiler with other PIC24F devices, easing migration if a 28-pin part becomes capacity-constrained and you move up or down the family. This page synthesises verified distributor stock data, parametric drop-in alternatives inside the same PIC24F KM1 family, and design notes drawn from Microchip datasheet sections - information not always found on a single distributor product page.

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PIC24F16KM104-I/ML - 16-Bit 32MHz 16KB Flash XLP MCU | Microchip
PIC24F16KM104-I/ML

PIC24F16KM104-I/ML - 16-Bit 32MHz 16KB Flash XLP MCU | Microchip

The Microchip Technology PIC24F16KM104-I/ML is a 16-bit PIC® XLP™ eXtreme Low Power microcontroller featuring a 32 MHz MIPS core, 16 KB (5.5K x 24) of program Flash, 1 KB of SRAM, and 512 bytes of EEPROM, housed in a 44-pin QFN (8x8 mm) package. It operates across a wide 1.8 V to 5.5 V supply range and integrates a 12-bit ADC, 8-bit DAC, op amps, comparators, and configurable MCCP/SCCP timer/PWM modules. A microcontroller (MCU) is a single-chip computer that combines a processor core, program and data memory, and programmable peripherals. The PIC24F family uses a 16-bit modified Harvard architecture running at up to 32 MHz, offering roughly 16 MIPS of throughput with deterministic interrupt latency. Within the broader hierarchy, the PIC24F sits between 8-bit PIC16/PIC18 parts and 32-bit PIC32 families, occupying the low-power 16-bit segment. The KM1xx sub-family adds integrated analog (12-bit ADC, DAC, op amps) for sensor-interface designs without external signal-chain components. Key features include XLP technology (sub-uA sleep currents, battery-friendly), a CTMU for capacitive touch and mTouch® capacitive sensing, multiple I/O ports with interrupt-on-change, and configurable logic cells that emulate small glue-logic functions. The device supports USB and UART/SPI/I²C serial interfaces through PPS (Peripheral Pin Select), giving flexible pin mapping. Typical applications include IoT sensor nodes, battery-powered portable instruments, consumer appliances, industrial control, USB peripherals, capacitive-touch human-interface panels, and low-power remote controls. The integrated 12-bit ADC and op amps reduce BOM cost in analog-front-end designs. When designing, leverage the XLP sleep modes (deep sleep, RTCC, DSGPR) to maximize battery life, place the 0.1 µF VDD decoupling cap as close to the pins as possible, and use PPS to route peripherals efficiently. Note that this I/ML variant is industrial-grade (-40 °C to +85 °C); choose the E/ML variant for extended -40 °C to +125 °C operation. This page synthesizes verified distributor pricing, drop-in alternative cross-references, and practical design notes not found in the bare manufacturer datasheet.

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PIC24F16KM104-I/PT - 16-bit XLP MCU 16KB Flash TQFP-44 | Microchip
PIC24F16KM104-I/PT

PIC24F16KM104-I/PT - 16-bit XLP MCU 16KB Flash TQFP-44 | Microchip

The Microchip PIC24F16KM104-I/PT is a 16-bit PIC microcontroller from the eXtreme Low Power (XLP) family, featuring 16KB Flash, 1KB RAM, and 512B EEPROM, housed in a 44-pin TQFP (10x10 mm) package. It integrates a 12-bit ADC, DAC, comparators, op amps, and Configurable Logic Cells (CLC), targeting low-power embedded applications from 1.8V to 5.5V operation. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces such as timers, ADCs, and communication ports. The PIC24F family specifically belongs to the 16-bit MCU hierarchy: PIC24F -> PIC24 -> 16-bit MCU -> microcontroller -> embedded processor. The "XLP" branding indicates nanoWatt Xtreme low-power technology, which provides sleep currents in the nanoampere range, making PIC24F devices suitable for battery-powered applications. Key features of the PIC24F16KM104-I/PT include a 32MHz maximum CPU speed (with instruction cycle support of up to 16 MIPS), integrated 12-bit ADC with multiple channels, on-chip op amps and comparators for analog signal conditioning, Configurable Logic Cells (CLC) for custom digital logic without external gates, and multiple PWM/SCCP/MCCP timer modules for motor control and waveform generation. The wide 1.8V-5.5V operating range allows direct connection to both 3.3V and 5V system rails. Technical depth: the device employs a 16-bit modified Harvard architecture with separate program and data buses for efficient instruction fetch and data access. The nanoWatt XLP technology provides multiple power-saving modes including Sleep, Idle, and Doze, with peripheral modules individually gated to minimize dynamic power consumption. Hardware peripherals like the CLC and Peripheral Pin Select (PPS) reduce external component count. Typical applications include IoT sensor nodes, battery-powered medical devices, consumer electronics remote controls, low-power wireless sensor hubs, and small motor control boards. The combination of analog integration and low power makes the PIC24F16KM104-I/PT particularly attractive for portable instrumentation. Design consideration: when migrating firmware across PIC24F variants, verify that the new device supports the same peripheral set; PPS remapping allows flexibility but requires careful reconfiguration. For battery applications, select the deep-sleep mode with RTCC enabled to achieve sub-microamp quiescent current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F16KM104T-I/ML - 16KB Flash 16-bit MCU 44-QFN | XLP™ Low Power
PIC24F16KM104T-I/ML

PIC24F16KM104T-I/ML - 16KB Flash 16-bit MCU 44-QFN | XLP™ Low Power

The Microchip Technology PIC24F16KM104T-I/ML is a 16-bit PIC microcontroller from the PIC24F XLP™ KM family, featuring 16KB (5.5K x 24) of Flash program memory, 1KB of SRAM, and 512B of EEPROM, all housed in a 44-pin QFN (8x8 mm) package with exposed thermal pad. It operates from 1.8V to 5.5V with a 32MHz maximum CPU clock, integrating a 12-bit ADC, 12-bit DAC, op amps, comparators, Configurable Logic Cells (CLC), and MCCP/SCCP timer/PWM modules. The 'T' suffix denotes Tape and Reel packaging, while the 'I' indicates the industrial -40C to +85C temperature range. A PIC24F microcontroller belongs to Microchip's 16-bit PIC architecture family, which sits between the 8-bit PIC16/PIC18 devices and the higher-performance dsPIC/PIC32 families. The PIC24F series is engineered for low-power and mixed-signal applications, with the XLP™ (eXtreme Low Power) technology and nanoWatt XLP feature set providing deep sleep currents in the microamp range and multiple power modes that make it well suited to battery-powered and energy-harvesting designs. Within Microchip's portfolio, the PIC24F KM family specifically addresses low pin-count, mixed-signal embedded applications requiring integrated analog peripherals alongside digital logic. Key features include the integrated 12-bit ADC with up to 28 input channels, three operational amplifiers usable for signal conditioning, a 5-bit DAC plus a 10-bit reference DAC, four Configurable Logic Cells that emulate simple glue logic in hardware, and multiple Capture/Compare/PWM modules for motor and lighting control. The 16KB Flash and 1KB SRAM provide adequate headroom for typical sensor fusion, IoT end-node, and human-interface applications. Typical applications include low-power IoT sensor nodes, battery-powered portable medical and wearable devices, industrial sensor conditioning, LED lighting control, and small motor control subsystems. The combination of integrated analog peripherals (op amps, DAC, comparators, ADC) on a low-pin-count QFN reduces BOM cost and PCB area compared with discrete solutions. When designing with this MCU, ensure proper decoupling per Microchip's analog reference design guidelines and verify sleep-mode current targets early in the design cycle, as the 32MHz operating point and peripheral activation significantly affect nanoWatt XLP performance.

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PIC24F16KM104T-I/MV - 16KB Flash XLP 16-Bit MCU | Microchip
PIC24F16KM104T-I/MV

PIC24F16KM104T-I/MV - 16KB Flash XLP 16-Bit MCU | Microchip

The Microchip Technology PIC24F16KM104T-I/MV is a 16-bit PIC24F microcontroller with 16KB of Flash program memory (5.5K x 24 words), 1KB of SRAM, and 512B of EEPROM, housed in a 48-pin UQFN 6x6 mm package with exposed thermal pad. The part is qualified for industrial -40C to +85C operation, executes instructions at up to 32 MHz (8 MIPS), and integrates a 12-bit ADC, multiple 16-bit timers, configurable logic cells (CLC), and dual MCCP/SCCP PWM/capture/compare peripherals. What is a 16-bit microcontroller? A 16-bit MCU (microcontroller) is a single-chip computer with a 16-bit data path, 16-bit registers, and 16-bit arithmetic/logic unit. Within the broader taxonomy it is a microcontroller -> embedded controller -> integrated circuit -> semiconductor. The PIC24F family sits between 8-bit PIC16/PIC18 MCUs and 32-bit PIC32 devices, offering an upgrade path with stronger peripherals and more code space while keeping nanoWatt XLP extreme-low-power features. The PIC24F16KM104T-I/MV distinguishes itself through the nanoWatt eXtreme Low Power XLP technology platform, multiple sleep modes that draw microampere-level currents, configurable logic cells that replace small external CPLD/74-series glue, and 12-bit ADC with on-chip reference. It is also available in dual-voltage variants: PIC24F products operate at 1.8V-3.6V while PIC24FV versions support 2.0V-5.5V for 5V tolerant designs. Internally, the device uses a modified Harvard architecture with separate program and data buses, a hardware multiplier for DSP-style operations, and a flexible peripheral pin-select (PPS) mapping layer that lets peripheral functions be remapped to multiple physical I/O pins, simplifying PCB layout. Typical applications include battery-powered IoT sensor nodes, portable medical monitoring electronics, consumer remote controls, low-power industrial sensor hubs, and USB/HID human-interface devices. The combination of CLC, MCCP/SCCP PWM and 12-bit ADC makes it well-suited to motor-control and LED-lighting driver signal paths. When designing with this device, mind the 48-UQFN exposed pad - it must be soldered to a sufficient copper pour for thermal dissipation and electrical grounding. Decoupling should place 100nF X7R capacitors adjacent to each VDD/VSS pair. This page synthesizes distributor pricing, same-family PIC24F drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC24F16KM104T-I/PT - 16-bit XLP MCU 32MHz 16KB Flash TQFP-44
PIC24F16KM104T-I/PT

PIC24F16KM104T-I/PT - 16-bit XLP MCU 32MHz 16KB Flash TQFP-44

The Microchip Technology PIC24F16KM104T-I/PT is a 16-bit PIC® XLP™ 24F microcontroller featuring a 32 MHz core, 16 KB of Flash program memory, 1 KB of SRAM, and 512 bytes of EEPROM, housed in a 44-pin TQFP (10x10 mm) package. It belongs to Microchip's eXtreme Low Power (XLP) family, optimized for battery-powered and energy-harvesting applications that demand long runtime from small cells. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals such as timers, communication interfaces, and analog channels. The PIC24F belongs to Microchip's 16-bit modified-Harvard architecture family, positioned above 8-bit PIC MCUs in computational performance and peripheral integration. It sits within the broader taxonomy: microcontroller -> embedded processor -> semiconductor IC. Key features of this part include nanoWatt XLP sleep currents as low as 20 nA in deep sleep, multiple communication peripherals (I2C, SPI, UART, IrDA, and LIN), configurable logic cells (CLC), and a 12-bit ADC with multiple input channels. The integrated 32 MHz internal oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The PIC24F architecture uses a 16-bit modified-Harvard core with a 24-bit instruction word, enabling 32 MHz operation (16 MIPS) while retaining the deterministic interrupt response that PIC MCUs are known for. Peripheral features include up to 5 CCP/ECCP modules, multiple 16-bit timers, a hardware Real-Time Clock/Calendar (RTCC), and charge time measurement unit (CTMU) for capacitive touch sensing. Typical applications include low-power IoT sensor nodes, battery-powered medical devices such as glucose meters and portable monitors, automotive LIN nodes for body and comfort electronics, industrial sensor transmitters, and consumer products requiring ultra-long battery life. The wide operating voltage range supports both 3V lithium and 1.8V-3.6V regulated supplies. When designing with this device, the integrated 32 MHz oscillator and internal LDO simplify power-tree design; place decoupling capacitors (100 nF plus 10 µF bulk) within a few millimeters of the VDD pins to minimize digital switching noise on the analog rails. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives from the same Microchip PIC24F family, and practical low-power design notes that are not collected in the manufacturer datasheet itself.

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PIC24F16KM202-E/ML - 16KB Flash 16-bit XLP MCU 28-QFN | Microchip
PIC24F16KM202-E/ML

PIC24F16KM202-E/ML - 16KB Flash 16-bit XLP MCU 28-QFN | Microchip

The Microchip PIC24F16KM202-E/ML is a 16-bit PIC24F microcontroller built on the eXtreme Low Power (XLP) architecture, providing 32 MHz CPU performance, 16 KB (5.5K x 24 instruction words) of Flash program memory and 2 KB of RAM in a 28-pin VQFN (6x6 mm) package with exposed thermal pad. An MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of analog and digital peripherals. PIC24F devices sit in the 16-bit segment of the PIC family and are positioned between the 8-bit PIC16/PIC18 line and higher-end dsPIC/PIC32 parts; their role spans battery-powered sensing nodes, consumer user interfaces, and industrial control sub-systems where deterministic behavior and ultra-low sleep current matter more than raw CPU throughput. Key features of the PIC24F16KM202 include integrated 12-bit ADC with up to 19 channels and 200 ksps sampling rate, dual 8-bit DAC outputs, three on-chip op amps, three comparators, configurable logic cells (CLC), five PWM time bases, five output-compare channels, two UART modules, two I2C/SPI MSSP peripherals, IrDA and a chargeable RTCC. The XLP design targets sleep currents well under 1 uA in deep-sleep modes, while the 1.8 V to 3.6 V operating range supports direct Li-ion or two-AA battery rails. The device uses a 16-bit modified Harvard RISC core with hardware multiply/divide and a 24-bit instruction word, paired with a 7-channel DMA controller that offloads ADC, UART, and SPI transfers. Internal RC oscillators and a PLL provide flexible clocking for low-power or 32 MHz active modes, and the on-chip op amps can be routed to ADC inputs or used as standalone analog building blocks. Typical applications include low-cost consumer electronics, IoT sensor nodes, battery-powered medical monitoring accessories, industrial sensor conditioning loops, automotive body and lighting sub-systems (using the -E 125°C grade), and analog-rich front ends where the integrated op amps, comparators, and 12-bit ADC replace several discrete components. When designing in this MCU, place a 100 nF decoupling capacitor on each VDD pin plus a bulk 4.7 uF or larger on the main rail, route the exposed pad (EP) to a solid ground copper pour for thermal dissipation and AC return, and verify unused I/O pins are configured as outputs or left floating per the datasheet to minimize leakage in sleep mode. This page synthesizes the manufacturer datasheet with distributor pricing, AEO-optimized answers, and a drop-in alternatives list that goes beyond what the standard parametric search returns.

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