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PIC24F16KM204-E/ML - 16-bit XLP MCU, 16KB Flash, 44-QFN | Microchip
PIC24F16KM204-E/ML

PIC24F16KM204-E/ML - 16-bit XLP MCU, 16KB Flash, 44-QFN | Microchip

The Microchip Technology PIC24F16KM204-E/ML is a 16-bit eXtreme Low Power (XLP) PIC microcontroller with 16KB Flash, 2KB RAM and 512B EEPROM, integrated 12-bit ADC, 8-bit DAC and operational amplifiers, housed in a 44-pin QFN (8x8 mm) package with exposed pad. It operates from 1.8V to 5.5V supply with a 32 MHz MIPS core and provides flexible Capture/Compare/PWM modules, Configurable Logic Cell and op amps for sensor and signal-chain applications. A 16-bit PIC microcontroller (MCU) is a member of the wider microcontroller family that integrates a CPU, non-volatile program memory, SRAM, peripherals and I/O on a single die. Within the Microchip taxonomy, PIC24F devices are the low-power 16-bit MIPS-based family positioned below PIC24H/dsPIC for general-purpose mixed-signal embedded designs. XLP (eXtreme Low Power) parts add deep-sleep currents in the nanoamp range, making them suitable for battery-powered and energy-harvesting designs. A QFN-44 package is a quad flat no-lead plastic enclosure with an exposed thermal pad that also serves as a low-impedance ground, optimized for surface-mount manufacturing. Key features include 25 MIPS performance at 32 MHz, 9-channel 12-bit ADC with up to 500 ksps, two 8-bit DACs, two operational amplifiers, two comparators and configurable logic cells, plus multiple serial interfaces (UART, SPI, I2C). The integrated analog peripherals reduce external component count for sensor-conditioning and closed-loop control. Hardware CRC, RTCC and an extended watchdog timer support functional-safety and industrial-automation needs. Typical applications include low-power sensor nodes, industrial measurement and control, consumer appliances, portable medical devices, automotive body and lighting modules, and USB/HID peripherals (when paired with the PIC24FJ64GB002 family for USB connectivity). The 44-QFN footprint supports compact PCBs while exposing the thermal pad for heat spreading. When designing with this part, allocate the bottom-layer PCB copper under the exposed pad as a continuous ground island with stitched thermal vias to maximize heat dissipation and provide a low-inductance ground return for the analog blocks.

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PIC24F16KM204-E/MV - 32MHz 16-bit MCU, 16KB Flash, 48-UQFN | Microchip
PIC24F16KM204-E/MV

PIC24F16KM204-E/MV - 32MHz 16-bit MCU, 16KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC24F16KM204-E/MV is a 16-bit PIC24F XLP microcontroller featuring eXtreme Low Power consumption, integrated 12-bit ADC, 8-bit DAC, and operational amplifiers, delivering 32 MIPS performance at 32 MHz from 16 KB of program Flash in a 48-pin UQFN (6x6) package. The device includes 2 KB SRAM and 512 bytes EEPROM for non-volatile data storage alongside flexible Capture/Compare/PWM modules and an integrated Configurable Logic Cell. What is a PIC24F XLP microcontroller? The PIC24F family is Microchip's 16-bit MCU portfolio based on a modified Harvard architecture with 16-bit instructions and an 8-bit data path. XLP (eXtreme Low Power) variants add deep-sleep currents below 1 µA and multiple power-saving modes, targeting battery-powered and energy-harvesting designs. The PIC24F sits in the hierarchy: PIC24F XLP -> 16-bit MCU -> microcontroller -> embedded processor -> integrated circuit. Key features include a 32 MHz maximum clock (8 MHz internal RC with PLL), 38 available I/O lines, up to 12 channels of 12-bit ADC with automated channel scanning, dual 8-bit DACs, and configurable op-amp peripherals. The device operates from 1.8V to 3.6V and includes 5V-tolerant I/O for mixed-voltage designs. Sleep currents as low as 20 nA make it suitable for always-on sensor nodes. The integrated RTCC with calendar mode eliminates an external RTC chip in many designs. The architecture uses a modified Harvard CPU with single-cycle hardware multiply and a 16-element working register array, enabling deterministic interrupt response and efficient C-code execution. The Peripheral Pin Select that serializes digital peripheral routing across nearly all I/O pins simplifies PCB layout and enables reconfigurable peripheral mapping without board changes. Typical applications include wearable fitness devices, battery-powered sensor hubs, low-power wireless sensor nodes, e-metering endpoints, and human-interface panels with capacitive touch. Designers select the PIC24F16KM204 when they need sub-µA deep-sleep behavior with on-chip analog integration. When designing, calculate worst-case power dissipation including active ADC/DAC conversions and prioritize using the device's deep-sleep modes (DOZE, PMD, and DS-WAKE) to extend battery life. Use the Peripheral Pin Select feature to route peripherals after layout, reducing rework. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not aggregated in the manufacturer datasheet.

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PIC24F16KM204-E/PT - 32MHz 16-Bit XLP MCU | Microchip
PIC24F16KM204-E/PT

PIC24F16KM204-E/PT - 32MHz 16-Bit XLP MCU | Microchip

The Microchip Technology PIC24F16KM204-E/PT is a 16-bit XLP microcontroller with a 32 MHz instruction rate, 16 KB of program Flash, 2 KB of RAM, and 512 bytes of EEPROM in a 44-pin TQFP package measuring 10 x 10 mm. It is designed for low-power embedded systems that require analog measurement and control without relying on separate external components. The -E/PT ordering code identifies the automotive temperature-grade variant in the gull-wing TQFP package. A microcontroller is a programmable integrated circuit that combines a processor core, nonvolatile program memory, working RAM, and peripherals on one semiconductor device. The PIC24F16KM204 belongs to the Microchip PIC24F family, whose 16-bit architecture and XLP design balance computational performance with low standby and operating current. This device operates from 3 V to 5 V, making it suitable for industrial controls, automotive accessories, instrumentation, and compact sensor-driven products. Integrated analog resources are the principal technical differentiator. The device includes a 12-bit ADC, an 8-bit DAC, operational amplifiers, comparators, and Configurable Logic Cells. These peripherals allow an analog input to be sampled, compared with a threshold, conditioned by an op amp, or converted into a control signal without requiring most external analog ICs. The analog-rich architecture also reduces board area and can shorten the signal path between sensing and firmware-based decision-making. Communications and timing peripherals include multiple CCP modules for capture, compare, and PWM generation. These blocks support motor-speed measurement, input capture, periodic interrupt generation, and dimming or proportional actuator control. The flexible PWM resources are especially useful when a design must maintain accurate timing relationships between an external sensor and a mechanical or electromechanical output. PIC24F16KM204-E/PT is appropriate for an automotive climate-control module, an industrial pressure transmitter, a compact energy meter, a battery-powered environmental monitor, or a mixed-signal controller for a sensor and actuator assembly. Its 44-pin TQFP package exposes enough analog, timer, and digital I/O for a practical mixed-signal design while remaining compatible with conventional surface-mount assembly. When laying out the PCB, treat analog inputs as sensitive nodes, place analog-ground and digital-ground connections according to the manufacturer guidance, and keep the ADC reference and input traces away from switching nodes. Firmware must also verify the configured ADC sample time and acquisition method before relying on readings from high-impedance sensors. Confirm the exact peripheral assignments, pin multiplexing, and electrical limits against the manufacturer datasheet for the 44-TQFP package. This page combines device capabilities, drop-in replacement analysis, package-level comparisons, and application guidance to help engineers evaluate the PIC24F16KM204-E/PT before schematic capture and PCB layout.

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PIC24F16KM204-I/ML - 16-bit XLP MCU, 32MHz, 16KB Flash | Microchip
PIC24F16KM204-I/ML

PIC24F16KM204-I/ML - 16-bit XLP MCU, 32MHz, 16KB Flash | Microchip

The Microchip PIC24F16KM204-I/ML is a 16-bit PIC® XLP™ microcontroller delivering 32 MIPS performance at 32 MHz, with 16 KB of Flash program memory and 2 KB of RAM, housed in a 44-pin QFN (ML, 8x8 mm) package. It integrates an enhanced analog front end including a 12-bit ADC, an 8-bit DAC, operational amplifiers, comparators and a Configurable Logic Cell (CLC), which lets designers implement glue logic in software rather than adding discrete gates. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a set of programmable peripherals such as ADCs, timers, communication controllers and I/O. In the broader system hierarchy a PIC24F sits in the PIC24 family of 16-bit microcontrollers, which itself is part of Microchip's 8/16/32-bit MCU portfolio alongside PIC16, PIC18 and PIC32. The "XLP" (eXtreme Low Power) designation means the part is engineered for ultra-low sleep current, typically relevant for battery-powered and energy-harvesting designs. Key features include operation from 1.8 V to 5.5 V (with full analog performance at 3 V and 5 V), 32 MIPS at 32 MHz, 16 KB self-programmable Flash, 2 KB RAM, integrated 12-bit ADC, 8-bit DAC, two op amps, two comparators, CLC module, Capture/Compare/PWM modules, and standard peripherals such as UART, SPI and I²C. The PIC24F KM family is designed for sensor conditioning, mixed-signal front ends and small-form-factor embedded products. Architecturally the device uses a 16-bit modified-Harvard core with a 24-bit instruction word, a 17-bit x 17-bit hardware multiplier, and zero-overhead loop control. The peripheral set is clocked from the system peripheral bus, and the analog chain shares a common voltage reference, which simplifies PCB routing when many analog channels are needed. Typical applications include low-power sensor interfaces, portable medical devices, IoT edge nodes, industrial control front ends, and consumer devices that require on-chip signal conditioning. The integrated op amps and DAC reduce the bill of materials for transducer signal chains. When designing with this part, plan the analog pinout first because the QFN-44 package shares supply and reference pins between analog and digital domains. Decouple VDD/VSS with 100 nF ceramics placed within 3 mm of each supply pin, and add a bulk 10 µF capacitor at the regulator output to handle ADC charge kicks.

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PIC24F16KM204-I/MV - 16KB Flash 32MHz XLP 16-bit MCU | Microchip
PIC24F16KM204-I/MV

PIC24F16KM204-I/MV - 16KB Flash 32MHz XLP 16-bit MCU | Microchip

The Microchip Technology PIC24F16KM204-I/MV is a 16-bit microcontroller from the PIC24F XLP (eXtreme Low Power) family, featuring 16 KB of Flash program memory and 2 KB of RAM in a 48-pin UQFN (MV) 6x6 mm package with exposed pad. It operates from a 1.8V to 3.6V supply, supports dual voltage rails (2.5V or 3.3V typical), and runs at 32 MHz CPU clock with 8 MIPS throughput. The device integrates rich analog peripherals including a 12-bit ADC, dual 8-bit DACs, operational amplifiers, and comparators alongside digital peripherals such as Capture/Compare/PWM modules and a Configurable Logic Cell (CLC). What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and a range of integrated peripherals intended for embedded control applications. The PIC24F family uses Microchip's modified Harvard 16-bit architecture with a rich instruction set optimized for C code density and deterministic interrupt response. Within Microchip's taxonomy, the PIC24F line sits between 8-bit PIC MCUs and the 32-bit PIC32MX/dsPIC families, targeting applications that need more performance and memory than 8-bit parts but ultra-low power consumption for battery operation. The XLP designation specifically denotes nanoWatt technology with deep-sleep currents below 20 nA typical. Key differentiating features of the PIC24F16KM204-I/MV include its integrated analog-rich peripherals (12-bit ADC, dual DACs, two op-amps, and three comparators) that eliminate external analog ICs in sensor-interface designs. The Configurable Logic Cell allows the on-chip combinator logic, AND/OR/XOR gates, and flip-flops to be programmed to create custom glue logic without external gates. Five 16-bit timers, multiple UART/SPI/I2C interfaces, and up to 43 I/O pins give designers flexibility for human-interface, motor-control, and IoT endpoints. The eXtreme Low Power technology delivers sleep currents as low as 20 nA in Deep Sleep mode, extending battery life in always-on applications. From an architectural perspective, the PIC24F16KM204 uses a 16-bit wide datapath with a 24-bit instruction word, providing C-friendly code density while retaining the deterministic interrupt latency that PIC architecture is known for. The device supports a wide operating voltage range of 1.8V to 3.6V with integrated voltage regulators and POR/BOR circuits. The 48-pin UQFN package has an exposed thermal pad that should be soldered to the ground plane for optimal electrical and thermal performance. Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered medical devices such as glucose meters and pulse oximeters, industrial sensor interfaces, HVAC control panels, and consumer electronics with touch or display interfaces. The integrated analog peripherals make it particularly suited to sensor signal conditioning and closed-loop control applications. When designing with this MCU, ensure the exposed pad on the bottom of the UQFN package is properly soldered to the PCB ground plane to provide both thermal dissipation and a low-impedance ground reference. Use the device's built-in DMA-free peripheral architecture to reduce interrupt overhead in time-critical applications, and consult Microchip's MPLAB X IDE configuration bits for oscillator and watchdog timer setup. This page synthesizes distributor pricing, drop-in Microchip family alternatives, and practical analog-design notes that are not present in the standalone manufacturer datasheet.

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PIC24F16KM204-I/PT - 16-bit 32MHz XLP MCU 16KB Flash | Microchip
PIC24F16KM204-I/PT

PIC24F16KM204-I/PT - 16-bit 32MHz XLP MCU 16KB Flash | Microchip

The Microchip Technology PIC24F16KM204-I/PT is a 16-bit PIC24F microcontroller featuring eXtreme Low Power (XLP) technology, 16KB of Flash program memory, 2KB RAM and 512B EEPROM, executing up to 16 MIPS at 32MHz from a 3.3V supply. It is housed in a 44-pin TQFP (10x10 mm) package and integrates a rich analog peripheral set including a 12-bit ADC, an 8-bit DAC, two operational amplifiers and comparators, plus a Configurable Logic Cell (CLC), Capture/Compare/PWM (MCCP/SCCP), and 5-bit DAC and 8-bit DAC. A PIC24F microcontroller is a 16-bit RISC MCU built on a modified Harvard architecture with single-cycle instruction execution, designed for ultra-low-power embedded applications where 8-bit MCUs are too slow but 32-bit parts would over-shoot cost. It sits in the hierarchy: MCU -> microcontroller -> 16-bit MCU -> PIC24F family -> XLP low-power sub-family, and combines deterministic interrupt latency, fast context switching, and rich peripherals suited to consumer, industrial, medical and IoT products. Key differentiating features include: 16 MIPS throughput at 32MHz, deep sleep current of just 25 nA typical with RTCC running, on-chip 12-bit A/D converter with up to 500 ksps throughput, integrated op-amp and 8-bit DAC that eliminate external analog components, and 25 mA source/sink current on I/O. The CLC peripheral lets designers implement custom glue logic in hardware without external gates. Architecturally, the PIC24F16KM204-I/PT uses a 16-bit modified Harvard core with separate program (Flash) and data (RAM) buses, a 17x17 hardware multiplier, and a 32-bit barrel shifter, enabling efficient C code execution and DSP-class operations. The XLP design integrates multiple power domains so that peripherals can run independently while the CPU sleeps, dramatically extending battery life in energy-harvesting or remote-sensor designs. Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, portable medical devices such as glucose meters and pulse oximeters, capacitive-touch human-interface panels, and small appliance controllers. The wide peripheral mix also supports HVAC sensor conditioning, fan/valve drivers, and smart metering front-ends. Designers should note that the -I/PT suffix denotes the industrial temperature grade (-40C to +85C) and TQFP-44 package. The 44-pin 10x10 mm TQFP simplifies hand prototyping compared to TLFN/MLF variants but consumes more board area, so engineers in space-constrained designs may prefer PIC24F16KM204-I/ML from the same family. This page synthesizes distributor pricing tiers, drop-in alternatives in the same TQFP-44 package, and application design notes not found in the manufacturer datasheet.

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PIC24F16KM204T-I/MV - 16-bit 32MHz 16KB Flash XLP MCU | Microchip
PIC24F16KM204T-I/MV

PIC24F16KM204T-I/MV - 16-bit 32MHz 16KB Flash XLP MCU | Microchip

The Microchip Technology PIC24F16KM204T-I/MV is a 16-bit PIC microcontroller from the PIC® XLP™ 24F family, featuring a 32 MHz core, 16 KB of Flash program memory (5.5K x 24), 2 KB of RAM, and 512 bytes of EEPROM, all housed in a 48-pin UQFN (MV) package with exposed pad. It is part of the KM family targeted at low-power applications and integrates analog peripherals including a 12-bit ADC, an 8-bit DAC, and operational amplifiers. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of peripherals on one die. Within Microchip's portfolio, the PIC24F family sits in the 16-bit XLP (eXtreme Low Power) tier, with the KM subgroup adding integrated op amps and DACs aimed at sensor-conditioning and mixed-signal designs. This hierarchy places the part between the 8-bit PIC16/PIC18 lines and the 32-bit PIC32MX/dsPIC families. Key features include an industrial-grade operating temperature range of -40 °C to +85 °C, supply voltage support from 1.8 V to 5.5 V, and a flexible peripheral set covering I2C, IrDA, LINbus, SPI, and UART/USART for connectivity, plus MCCP/SCCP timers, configurable logic cells, comparators, and op amps for analog signal chain use. The XLP architecture typically yields deep-sleep currents in the sub-microampere range, enabling battery-powered designs. The architecture is a 16-bit modified Harvard RISC core with a wide 24-bit instruction word, supporting deterministic interrupt latency and a single-cycle hardware multiplier. On-chip analog peripherals are tightly coupled to the bus, reducing BOM and PCB area versus external op-amp + DAC + ADC discrete solutions. Typical applications include IoT sensor nodes, battery-powered instruments, industrial sensor conditioning, portable medical accessories, and low-power consumer devices requiring on-board amplification and conversion without external analog ICs. When designing in, plan the PCB layout around the exposed thermal pad for ground continuity and thermal dissipation, and confirm toolchain support in MPLAB X IDE with the XC16 compiler for firmware development. This page synthesizes distributor stock levels, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and engineering teams evaluate this part faster.

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PIC24F32KA301-E/P - 16-bit XLP MCU, 32KB Flash, 20-PDIP | Microchip
PIC24F32KA301-E/P

PIC24F32KA301-E/P - 16-bit XLP MCU, 32KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC24F32KA301-E/P is a 16-bit PIC microcontroller built on the eXtreme Low Power (XLP) technology platform, housed in a 20-pin PDIP (0.300 inch) through-hole package. It integrates 32KB of Flash program memory (11K x 24 words), 2KB of SRAM, and 512 bytes of EEPROM data memory, and executes instructions at up to 32MHz delivering 16 MIPS. The -E temperature grade denotes the -40C to +125C extended operating range suited to industrial and harsh-environment designs. A 16-bit microcontroller (MCU) is a single-chip computer that processes data and instructions in 16-bit chunks, sitting in the hierarchy between 8-bit MCUs (e.g., PIC16, AVR) and 32-bit MCUs (e.g., PIC32, ARM Cortex-M). The PIC24F family occupies the low-power mid-performance tier, optimized for battery-powered and energy-harvesting applications where sleep-mode current dominates total energy budget. XLP devices integrate dedicated low-power peripherals such as the Real-Time Clock and Calendar (RTCC), Deep Sleep BOR (DSBOR), and Deep Sleep WDT (DSWDT) that remain functional while the CPU core is halted. The PIC24F32KA301 features a 12-bit ADC with up to 13 input channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight sensing, multiple PWM/OC/Timer modules, and serial interfaces including I2C, SPI, and UART. Its integrated nanoWatt XLP technology targets sleep currents in the deep-sleep range that allow years of operation from a single coin cell. Typical applications include battery-powered sensor nodes, portable medical and fitness devices, e-metering, remote controls, capacitive touch user interfaces, and industrial control nodes. The 20-PDIP package is particularly valued in prototyping, education, and legacy designs where through-hole assembly is preferred for ease of rework. When designing with this MCU, verify Vdd decoupling with a 0.1uF ceramic capacitor adjacent to each power pin and consider the RTCC backup battery requirements if timekeeping through power loss is required. The CTMU requires careful PCB layout and software calibration for stable capacitive touch performance. The combination of XLP sleep performance, integrated EEPROM, and rich peripherals in a DIP package makes the PIC24F32KA301-E/P a popular choice for low-power embedded designs requiring easy through-hole prototyping. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F32KA301-E/SO - 16-bit 32MHz XLP MCU 32KB Flash SOIC-20 | Microchip
PIC24F32KA301-E/SO

PIC24F32KA301-E/SO - 16-bit 32MHz XLP MCU 32KB Flash SOIC-20 | Microchip

The Microchip Technology PIC24F32KA301-E/SO is a 16-bit microcontroller featuring eXtreme Low Power (XLP) consumption, 32KB of Flash program memory, 2KB of RAM, 512 bytes of EEPROM, and a 12-bit ADC with CTMU, housed in a 20-pin SOIC package rated -40C to +125C for the industrial automotive-grade (E) temperature range. The PIC24F32KA301-E/SO is part of the PIC® XLP™ 24F microcontroller series and runs up to 32MHz delivering 16 MIPS, balancing computational throughput with very low active and sleep currents. A 16-bit microcontroller (MCU) is an embedded processor with a 16-bit data path, sitting between 8-bit MCUs (lower cost, lower performance) and 32-bit MCUs (higher performance, higher cost). 16-bit MCUs occupy the power-management sweet spot for applications requiring real-time deterministic peripherals (12-bit ADC, comparators, timers, RTCC), more code space than 8-bit parts, and lower cost than Cortex-M0+ alternatives. Within the taxonomy, the PIC24F32KA301 belongs to the PIC24 family (16-bit), the PIC24F sub-family (Flash, low-power), the PIC24FKA series (XLP nano-watt), and ultimately the broader MCU -> microcontroller -> embedded processor -> semiconductor hierarchy. Key features include XLP nanoWatt technology with Deep Sleep mode currents in the nanoamp range, RTCC, DSBOR (Deep Sleep Brown-Out Reset), and DSWDT (Deep Sleep Watchdog Timer) that remain active in Deep Sleep for industry-leading low power performance. The device supports 3V and 5V operation, includes a 12-bit A/D converter with CTMU (Charge Time Measurement Unit) for capacitive touch and precise time measurement, multiple UART/SPI/I2C peripherals, and up to 18 I/O pins. The E suffix indicates the -40C to +125C industrial/automotive temperature range. Architecturally, the PIC24F32KA301 uses a modified Harvard architecture with separate program and data buses, a 16-bit instruction word, and a wide variety of low-power modes. The XLP technology integrates Deep Sleep peripherals (DSBOR, DSWDT, RTCC) that operate below 1 uA, enabling years of battery life from a single coin cell in sleep-dominant applications such as wireless sensor nodes, utility metering, and IoT edge devices. Typical applications include battery-powered IoT sensor endpoints, low-energy wireless sensor nodes, medical wearable monitors, portable instrumentation, and remote controls. The wide temperature range also supports industrial sensor interface modules and automotive body electronics. When designing with the PIC24F32KA301-E/SO, consider the trade-off between pin count (20-SOIC limits I/O to ~18) and feature set. For designs requiring more I/O or larger memory, the PIC24F32KA302/304 family or dsPIC33 alternatives are pin-compatible migration paths within the same footprint family. This page synthesizes distributor stock and pricing, drop-in alternatives, and practical design considerations not found in the manufacturer datasheet alone, providing an engineering-oriented decision resource for component selection.

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PIC24F32KA301-E/SS - 16-bit 32MHz XLP Microcontroller | Microchip
PIC24F32KA301-E/SS

PIC24F32KA301-E/SS - 16-bit 32MHz XLP Microcontroller | Microchip

The Microchip Technology PIC24F32KA301-E/SS is a 16-bit flash microcontroller featuring eXtreme Low Power (XLP) consumption for battery-powered and power-constrained systems. It operates at up to 32 MHz, includes 32 KB of flash program memory, 2 KB of data RAM, and 512 bytes of data EEPROM, and is housed in a 20-pin SSOP package. The MCU is designed around the PIC24 CPU core and includes a 12-bit ADC, CTMU peripheral, 16 MIPS performance, and low-power features such as DSBOR, DSWDT, and RTCC operation in Deep Sleep mode. A microcontroller is a compact embedded-processing device that combines a CPU core, program memory, data memory, and peripherals on one integrated circuit. The PIC24F32KA301 belongs to the general-purpose 16-bit flash microcontroller family and is positioned within the broader hierarchy of embedded controllers, microcontrollers, and semiconductors. Its XLP architecture emphasizes low current consumption and battery life, while the programmable peripherals support analog measurement, timing, communication, and control functions in embedded systems. The PIC24F32KA301-E/SS provides a practical balance of processing speed, memory, and analog capability. Its 32 MHz operating speed supports 16 MIPS operation, while 32 KB of flash provides storage for firmware and application code. The 12-bit ADC and CTMU peripheral extend the device beyond basic digital control, enabling sensing and measurement functions in instruments, sensors, and portable products. The 20-pin SSOP package also offers a compact surface-mount format for space-constrained boards. Deep Sleep support is central to the PIC24F32KA301 use case. The manufacturer highlights DSBOR, DSWDT, and RTCC operation in Deep Sleep mode as features that support low-power performance when the system does not need continuous processing. This makes the device relevant to battery-operated products, portable monitors, sensing nodes, and embedded equipment where standby energy consumption is as important as active processing capability. Typical applications include low-power sensor nodes, battery-powered medical and industrial instruments, compact control boards, and connected embedded products. The MCU can combine ADC-based measurement with CTMU support and its embedded flash memory, allowing a compact design to handle sensing, control, and local firmware functions. Engineering teams should confirm the required peripherals, pin multiplexing, programming method, and low-power mode behavior against the manufacturer datasheet before finalizing the PCB. For implementation, begin by reviewing the 20-pin SSOP pin assignment, programming pins, and power-entry requirements in the manufacturer documentation. Keep power and decoupling layout compact, connect programming access according to the recommended programming circuit, and validate wake-up behavior in the intended battery system. This page combines the verified product characteristics, package information, application guidance, and available cross-reference candidates to support faster component selection and board-level planning.

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PIC24F32KA301-I/P - 32KB Flash 16-bit XLP MCU | Microchip
PIC24F32KA301-I/P

PIC24F32KA301-I/P - 32KB Flash 16-bit XLP MCU | Microchip

The Microchip PIC24F32KA301-I/P is a 16-bit flash microcontroller from the PIC24F XLP (eXtreme Low Power) family, featuring 32 KB of self-programmable Flash program memory, 2 KB of RAM, 512 bytes of EEPROM, and a 12-bit A/D converter with CTMU (Charge Time Measurement Unit). Housed at 20-pin PDIP (0.300 inch, 7.62 mm wide through-hole package), it operates at up to 32 MHz delivering 16 MIPS instruction throughput from a 1.8 V to 3.6 V supply. According to the Microchip PIC24F32KA301 datasheet (DS30009906 family), it integrates the CIP (Core Independent Peripherals) set including DSBOR, DSWDT, and RTCC, all of which remain active in Deep Sleep mode to achieve industry-leading nanoWatt power consumption. Background - What is a PIC24F 16-bit MCU? The PIC24F is a 16-bit microcontroller family within Microchip's broader PIC microcontroller portfolio, sitting between the 8-bit PIC16/PIC18 line and the 32-bit PIC32 line. XLP is Microchip's eXtreme Low Power technology umbrella, an architecture for battery-powered and energy-harvesting applications where sleep-mode current draw is the dominant figure of merit. The hierarchy: PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC24F devices target portable instrumentation, sensor nodes, and consumer products requiring more peripherals and code space than 8-bit MCUs but lower cost and power than ARM Cortex-M parts. Key features of the PIC24F32KA301-I/P include six 16-bit timers, four PWM modules with independent time bases, three UART/SPI/I2C modules, up to 25 mA source/sink on I/O pins, and a Charge Time Measurement Unit (CTMU) for capacitive touch and temperature sensing. The XLP architecture achieves Deep Sleep currents down to 20 nA typical with brown-out reset and watchdog timer operational, and Run current around 190 uA/MHz at 2 V. The device uses a Harvard architecture modified-RISC CPU executing 76 instructions with three-stage pipeline. The single-cycle hardware multiplier accelerates DSP-style math, and a 32x32-bit hardware divider is shared with select peripherals. The integrated 12-bit ADC has up to 9 channels (depending on package), 100 ksps conversion rate, and automatic scan modes for sequential conversion. The CTMU produces a constant current source used for capacitive touch button and slider decoding as well as precision time measurement. Typical applications include battery-powered IoT sensor nodes, portable medical devices such as glucose meters and pulse oximeters, capacitive touch user interfaces for appliances and consumer electronics, real-time-clock-based data loggers, and low-power wireless sensor nodes interfacing to sub-GHz transceivers. The 20-pin DIP form factor is favored for breadboard prototyping, educational platforms, and industrial control retrofits where through-hole mounting is required. Design consideration - XLP parts require careful attention to wake-up latency, GPIO state retention during Deep Sleep, and peripheral library configuration. Use the MPLAB X IDE with the MPLAB XC16 compiler and MPLAB Code Configurator (MCC) for fastest bring-up. For lowest sleep current, disable unused peripherals via PMD (Peripheral Module Disable) registers and use the Deep Sleep mode with DSBOR enabled. For capacitive touch applications, the CTMU requires precise timing calibration via the ADC reference - see Microchip application note AN94. Pin-compatible SOIC variants (PIC24F32KA301-I/SO) and tape-and-reel SOIC (PIC24F32KA301T-I/SO) are available for reflow assembly. This page synthesizes distributor pricing, drop-in PIC24F32KA3xx family alternatives, and XLP-mode design notes that are not gathered in a single location in the Microchip datasheet.

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PIC24F32KA301-I/SO - 16-bit 32MHz 32KB Flash XLP MCU | Microchip
PIC24F32KA301-I/SO

PIC24F32KA301-I/SO - 16-bit 32MHz 32KB Flash XLP MCU | Microchip

The Microchip Technology PIC24F32KA301-I/SO is a 16-bit PIC microcontroller in the PIC24F XLP family with eXtreme Low Power technology, packaged in a 20-pin SOIC (300 mil). It integrates 32KB of Flash program memory, 2KB of SRAM, and 512B of EEPROM, and runs at up to 32 MHz (16 MIPS) from a 1.8-3.6V supply. The device is designed for power-constrained and battery-powered applications and includes peripherals such as a 12-bit ADC, CTMU (Charge Time Measurement Unit), DSBOR, DSWDT, and a Real-Time Clock/Calendar that continues to operate in Deep Sleep mode. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), non-volatile data storage (EEPROM), and a rich set of peripherals (ADC, timers, communication controllers) into one package. The PIC24F belongs to the modified Harvard RISC architecture family from Microchip and sits between 8-bit PIC16/PIC18 devices and the more powerful dsPIC33/PIC32 lines, offering 16-bit data paths, single-cycle multiply, and a deterministic instruction set optimized for low-power embedded control. Key features include nanoWatt XLP technology with Deep Sleep currents drawn in the microampere range, a 12-bit A/D converter with multiple channels, multiple serial interfaces (UART, SPI, I2C), and a Charge Time Measurement Unit for capacitive touch sensing and precise time-of-flight measurements. The wide 1.8V to 3.6V VDD range supports both 3V lithium and 2x AA battery chemistries without level shifters, and the internal 8 MHz and 32 kHz oscillators reduce external component count. The 20-pin SOIC footprint offers the largest I/O count in this family while remaining hand-solderable for prototypes and low-volume production. The architecture combines a 16-bit modified Harvard RISC core with a 24-bit instruction word, 17 x 17-bit single-cycle hardware multiplier, and a 32-bit barrel shifter, delivering 16 MIPS throughput while drawing only microampere-level active current. The Deep Sleep state retains RAM and runs the RTCC, DSBOR and DSWDT, allowing wake-up intervals of seconds to months on a single coin cell. The CTMU provides a precise current source for capacitive touch and resistive sensing without an external analog front end. Typical applications include blood pressure monitors, fitness wearables, remote sensor nodes, smart thermostats, IoT endpoints, and any portable medical or industrial sensor. The combination of eXtreme Low Power, 32 KB Flash, 12-bit ADC, and CTMU makes it particularly well suited to capacitive-touch user interfaces and battery-powered measurement products. The 20-pin SOIC package allows easy hand-soldering and rework, simplifying prototyping and field-repair scenarios. When designing with this device, choose low-Iq LDO or use direct battery connection, route the analog AVdd/AVss pins with a star ground topology, and place the CTMU current-source traces away from switching nodes to preserve touch sensitivity. For longest battery life, prefer Deep Sleep over Idle and gate peripherals individually using PMD registers rather than software polling loops. This page synthesizes distributor pricing, same-family Microchip drop-in alternatives, and practical low-power design notes not found in the manufacturer datasheet alone.

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PIC24F32KA301-I/SS - 16-bit XLP 32KB Flash MCU, 20-SSOP | Microchip
PIC24F32KA301-I/SS

PIC24F32KA301-I/SS - 16-bit XLP 32KB Flash MCU, 20-SSOP | Microchip

The Microchip Technology PIC24F32KA301-I/SS is a 16-bit microcontroller from the PIC24F XLP (eXtreme Low Power) family, integrating 32KB of Flash program memory (11K x 24 words), 2KB of RAM, and 512 bytes of EEPROM in a 20-pin SSOP package. It operates at up to 32 MHz (16 MIPS) from a 1.8V to 3.6V supply, and is positioned for power-constrained and battery-powered embedded designs where sleep-mode current is a primary constraint. Core integrated peripherals include a 12-bit ADC, a Charge Time Measurement Unit (CTMU), multiple timers, and the XLP peripheral set (DSBOR, DSWDT, RTCC) that continues to operate during Deep Sleep. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and configurable peripherals on one die. The PIC24F family uses a 16-bit modified Harvard architecture with a 24-bit instruction word, giving higher code density than 8-bit MCUs while staying cheaper and lower-power than most 32-bit Cortex-M parts. The "F" suffix denotes Flash program memory; XLP is Microchip's branding for nanoWatt eXtreme Low Power techniques such as Deep Sleep, Sleep, Idle, and alternate clock modes. Within the power-management IC hierarchy, this MCU sits above simple voltage regulators but below application processors, providing intelligent control for sensors, displays, and low-rate RF interfaces. Key features of the PIC24F32KA301-I/SS include industry-leading Deep Sleep current (typical values in the nanoamp-to-low-microamp range), 16 MIPS throughput at 32 MHz, an integrated CTMU for capacitive touch or precise time-of-flight measurement, a 12-bit A/D converter with multiple input channels, and multiple serial interfaces (UART, SPI, I2C). The device supports on-chip debugging via two programming/debug pins and is firmware-compatible across the PIC24F K-series, allowing easy migration between pin counts and memory sizes. Typical applications include battery-powered sensor nodes, wearable health monitors, remote controls, low-power wireless sensor networks, e-paper/e-ink display controllers, and IoT edge nodes. The 20-SSOP footprint is well suited to compact handheld products where board area is at a premium. The CTMU peripheral is particularly attractive for implementing touch buttons, sliders, or proximity sensing without external analog ICs, reducing BOM cost and quiescent drain. Designers should follow Microchip's recommended decoupling practice (typically a 0.1 µF ceramic plus a bulk capacitor near VDD) and consult the device-specific datasheet for the exact Deep Sleep current at the chosen VDD and temperature. For firmware reuse and migration paths, review the PIC24F KA/KM family reference manual; this part is part of a broader pin-compatible family ranging from 20 to 48 pins. This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes for the PIC24F32KA301-I/SS that are not consolidated in any single manufacturer document.

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PIC24F32KA301T-I/SO - 32KB Flash 16-bit XLP MCU | Microchip
PIC24F32KA301T-I/SO

PIC24F32KA301T-I/SO - 32KB Flash 16-bit XLP MCU | Microchip

The Microchip PIC24F32KA301T-I/SO is a 16-bit PIC XLP 24F microcontroller running at 32 MHz, integrating 32 KB Flash program memory, 2 KB SRAM, and 512 bytes of EEPROM in a 20-pin SOIC package. The device operates from 1.8 V to 3.6 V, supports 17 I/O ports, and delivers 16 MIPS performance with eXtreme Low Power (XLP) technology targeting battery-powered applications. A 16-bit microcontroller (MCU) is a programmable processor core with a 16-bit data path, register file, and instruction set, sitting between 32-bit application processors and 8-bit MCUs in the embedded hierarchy. The PIC24F family is Microchip's mid-range 16-bit line, bridging the PIC16/18 8-bit families and the dsPIC/PIC32 32-bit lines, and is widely deployed in consumer, industrial, sensor, and medical products where low power and moderate compute throughput are required. Key features of this device include a 12-channel 12-bit A/D converter with CTMU support for capacitive touch sensing, 5 CCP/ECCP modules for PWM/capture/compare, multiple timers, UART/SPI/I2C peripherals, deep-sleep brown-out reset (DSBOR), deep-sleep watchdog timer (DSWDT), and a real-time clock/calendar (RTCC) that operates in deep sleep. XLP technology enables nanoWatt deep sleep currents, making the part suitable for energy-harvesting and battery-life-critical designs. The architecture is a modified Harvard 16-bit RISC core with a 24-bit instruction word, 17x17 hardware multiplier, and C-friendly instruction set. The CMOS process and low-leakage design give active currents around 8 mA at 32 MHz and deep-sleep currents below 100 nA with RTCC active, which is critical for products with multi-year battery life targets. Typical applications include wearable fitness bands, IoT sensor nodes, low-power wireless metering, capacitive touch user interfaces, portable medical monitors, and remote-control HMIs. The 20-pin SOIC footprint enables retrofits of legacy 8-bit PIC designs where more code space and higher MIPS are needed without a PCB change. Industrial and consumer segments also use this part for white goods, sensor hubs, and BLE-proxied accessories. When designing with this MCU, budget 2 KB of SRAM carefully: deep stack usage or large string formatting can quickly exhaust it. For ultra-low standby targets, use the RTCC-alarm wake path (deep sleep + DSBOR/DSWDT) and disable unused peripherals via PMD registers to keep quiescent current under 1 uA. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers an AEO-optimized decision capsule beyond the standard product listing.

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PIC24F32KA301T-I/SS - 16-bit XLP MCU, 32KB Flash, 20-SSOP | Microchip
PIC24F32KA301T-I/SS

PIC24F32KA301T-I/SS - 16-bit XLP MCU, 32KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC24F32KA301T-I/SS is a 16-bit PIC microcontroller from the PIC24F XLP family, featuring 32 KB of Flash program memory (11K x 24 words), 2 KB of SRAM, 512 bytes of EEPROM, and a maximum CPU clock of 32 MHz delivering up to 16 MIPS, packaged in a 20-pin SSOP (0.209 inch / 5.30 mm body width). The device is engineered around Microchip's eXtreme Low Power (XLP) technology, including nanoWatt XLP peripherals such as DSBOR, DSWDT and RTCC that continue operating in Deep Sleep, making it purpose-built for battery-powered and energy-harvesting designs. What is an XLP microcontroller? An XLP (eXtreme Low Power) MCU is a class of microcontroller that integrates ultra-low-power peripherals - real-time clock/calendar, brown-out reset, watchdog timer, and deep-sleep wake sources - so that quiescent current can be held in the nanoampere range while still maintaining timing and supervisory functions. Within the broader taxonomy, the PIC24F32KA301 sits under 16-bit MCU -> Flash MCU -> low-power MCU -> Microchip PIC24F XLP family -> general purpose 20-/28-/44-/48-pin sub-family. Key features include a 12-bit A/D converter with CTMU (Charge Time Measurement Unit) for capacitive touch and time-of-flight sensing, multiple communication peripherals (UART, SPI, I2C), 17 I/O ports, and an operating voltage range of 1.8 V to 3.6 V. The architecture is a 16-bit modified Harvard with a rich instruction set optimized for C code density, plus hardware multiply/divide and DSP-friendly instructions. The 'T' suffix indicates Tape & Reel packaging and the 'I' suffix denotes the -40C to +85C industrial temperature grade; the 'SS' suffix denotes the SSOP-20 package. Typical applications span consumer IoT nodes, sensor hubs, remote controls, wearable health patches, and any line-powered or battery-operated embedded product that demands long battery life without sacrificing computational throughput.

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PIC24F32KA302-E/ML - 32KB Flash XLP 16-bit MCU 28-QFN | Microchip
PIC24F32KA302-E/ML

PIC24F32KA302-E/ML - 32KB Flash XLP 16-bit MCU 28-QFN | Microchip

The Microchip Technology PIC24F32KA302-E/ML is a 16-bit PIC24F microcontroller featuring eXtreme Low Power (XLP) technology, 32KB of Flash program memory, 2KB of SRAM, and 512 bytes of EEPROM, housed in a 28-pin QFN (6x6 mm) package. It operates at up to 32MHz delivering 16 MIPS performance, integrating peripherals such as a 12-bit ADC with up to 13 input channels, three comparators, three PWM channels, seven timers, and the Charge Time Measurement Unit (CTMU) for capacitive touch sensing. The wide operating voltage range of 1.8V to 5.5V supports both 3.3V and 5V designs from a single part. A microcontroller (MCU) is a compact integrated circuit containing a processor core, program and data memory, and programmable peripherals. The PIC24F family is built on a 16-bit modified Harvard RISC architecture optimized for low-power embedded control. Within Microchip's XLP lineup, the PIC24F32KA302 is positioned for battery-powered and energy-harvesting applications where quiescent current, deep-sleep retention, and fast wake-up determine battery lifetime. Key features of this part include eXtreme Low Power technology with deep-sleep current below 1 uA, a Real-Time Clock Calendar (RTCC) that runs in Deep Sleep, dedicated Deep Sleep Brown-Out Reset (DSBOR) and Deep Sleep Watchdog Timer (DSWDT) blocks, and integrated USB 2.0 full-speed device support on selected variants. The CTMU enables capacitive touch sensing for buttons, sliders, and proximity detection without an external touch controller, reducing BOM cost and PCB area in human-interface designs. The architecture combines a 16-bit data path with a 24-bit instruction word, providing deterministic execution and C-compiler efficiency. A peripheral pin-select (PPS) mapper allows digital peripherals to be remapped to a wide choice of I/O pins, simplifying PCB routing. The 12-bit ADC supports both single-ended and differential conversions, and the comparators can wake the core from sleep, making the device suitable for sensor-driven interrupt architectures. Typical applications include portable medical devices, wearable fitness bands, IoT sensor nodes, capacitive touch user interfaces, smart thermostats, USB peripherals, and battery-backed industrial sensor transmitters. The CTMU and XLP deep-sleep modes make it a strong fit when average current budget is the primary design constraint. When designing with this device, pay attention to the maximum 32MHz core clock and the resulting 16 MIPS throughput; peripheral clocking derives from the same source. For capacitive touch applications, follow the CTMU layout guidelines from the datasheet and provide a guard trace around the touch electrodes to suppress moisture false triggers. This page synthesizes distributor pricing, drop-in PIC24F family alternatives, and practical design notes that go beyond the manufacturer datasheet.

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PIC24F32KA302-E/SO - 32MHz 16-Bit Low-Power MCU
PIC24F32KA302-E/SO

PIC24F32KA302-E/SO - 32MHz 16-Bit Low-Power MCU

The Microchip Technology PIC24F32KA302-E/SO is a 32 MHz, 16-bit PIC XLP flash microcontroller with 32 KB of program Flash, 2 KB of RAM, 512 bytes of EEPROM, and a 12-bit ADC in a 28-pin SOIC package. It delivers up to 16 MIPS of instruction throughput and includes CTMU, DSBOR, DSWDT, and RTCC peripherals designed for low-power embedded control. A microcontroller is a programmable semiconductor that combines a processor core, nonvolatile program memory, data memory, and peripherals on one integrated circuit. The PIC24F32KA302 belongs to the hierarchy of 16-bit RISC microcontroller, embedded controller, and low-power system-on-chip. Its XLP design is intended for battery-powered instruments, portable monitoring equipment, industrial controls, and other systems where reducing energy use during inactive periods is as important as processing active workloads. The PIC24F32KA302-E/SO combines a 32 MHz operating frequency with 16 MIPS performance, a 12-bit ADC, and 2 KB of SRAM. Its CTMU peripheral supports capacitive-sensing and measurement functions, while the real-time clock and calendar provides timekeeping for data logging and scheduled control. The deep-sleep-oriented DSBOR and DSWDT functions help reduce false wake-ups and system power consumption in compact embedded products. The device uses the PIC24F 16-bit RISC architecture and stores firmware in 32 KB of Flash organized as 11K by 24 bits. On-chip data memory includes 2 KB of RAM and 512 bytes of EEPROM, allowing parameters, operating state, and calibration information to be retained without an external memory component. These resources are suitable for control loops, sensor acquisition, user-interface updates, and moderate protocol handling without requiring a higher-memory MCU. Typical uses include battery-powered environmental sensors, industrial condition-monitoring nodes, portable medical accessories, smart-building controls, and compact instrument panels. Its 12-bit ADC is useful for analog front ends, while CTMU can reduce the component count in touch controls. The automotive-grade E temperature designation supports use across extended industrial temperature environments when the complete system qualification and operating limits are satisfied. Design around the manufacturer’s recommended decoupling, programming, clock, and reset circuits. Place input and output capacitors close to their associated pins, keep analog routing away from switching nodes, and verify each wake source before enabling a low-power mode. The 28-pin SOIC footprint simplifies assembly but requires careful fanout and thermal review in compact enclosures. This product page combines the manufacturer’s device information, family-level electrical characteristics, package details, sourcing links, and application-oriented design guidance. It also identifies the closest documented same-package family option while clearly separating confirmed engineering facts from items that require review against the manufacturer datasheet.

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PIC24F32KA302-E/SP - 32MHz 16-Bit XLP Microcontroller | Microchip
PIC24F32KA302-E/SP

PIC24F32KA302-E/SP - 32MHz 16-Bit XLP Microcontroller | Microchip

The Microchip Technology PIC24F32KA302-E/SP is a 16-bit PIC XLP microcontroller operating at up to 32 MHz, with 32 KB of Flash memory, 2 KB of RAM, and 512 bytes of EEPROM in a 28-pin SPDIP package. It also provides a 12-bit ADC and capacitive touch measurement unit for compact embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The PIC24F32KA302 belongs to the PIC24F family and uses a modified PIC RISC architecture with up to 16 MIPS performance. It is designed for embedded control, low-power sensing, instrumentation, and products that require deterministic peripheral handling without a high-power discrete processor. Microchip XLP technology is central to this device's positioning. The manufacturer identifies Deep Sleep Brown-Out Reset, Deep Sleep Watchdog Timer, and Real-Time Clock and Calendar operation in Deep Sleep mode as low-power features. These functions help a product remain responsive while reducing energy consumption during long idle periods, which is especially useful in battery-powered equipment. The device provides 32 KB of program Flash organized as 11K by 24 bits, together with 2 KB of data RAM and 512 bytes of EEPROM. Its 12-bit ADC supports analog measurements, while the CTMU peripheral provides capacitive-touch measurement capability. The 28-pin SPDIP format also supports through-hole assembly and prototyping workflows that are less convenient with fine-pitch surface-mount packages. Typical applications include low-power sensor nodes, industrial control modules, battery-operated instruments, capacitive-touch user interfaces, compact data-acquisition systems, and embedded products with real-time clock requirements. Designers can use the ADC for analog front ends, CTMU for touch electrodes, and Deep Sleep peripherals to coordinate power-aware operation. Design planning should include the exact pin assignments, peripheral multiplexing, clock configuration, and decoupling requirements in the Microchip datasheet. Because the MCU combines several low-power functions, firmware should explicitly configure wake sources, watchdog behavior, brown-out thresholds, and peripheral shutdown states rather than assuming that Deep Sleep is entered automatically. This product page consolidates the manufacturer specifications, distributor listings, package information, application guidance, and verified drop-in alternatives for PIC24F32KA302-E/SP. It also highlights the design trade-offs between automotive-grade and industrial-grade ordering codes, helping engineers select a part that matches the electrical, environmental, and sourcing requirements of the finished equipment.

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PIC24F32KA302-E/SS - 32MHz 32KB XLP Microcontroller | Microchip
PIC24F32KA302-E/SS

PIC24F32KA302-E/SS - 32MHz 32KB XLP Microcontroller | Microchip

The Microchip Technology PIC24F32KA302-E/SS is a 16-bit PIC RISC microcontroller with up to 32 MHz performance, 32 KB of Flash program memory, 2 KB of SRAM, and 512 bytes of Data EEPROM in a 28-pin SSOP package. It combines a 12-bit ADC, CTMU, dual I2C, SPI, UART, and six serial I/O ports with eXtreme Low Power features designed for battery-powered and power-constrained equipment. The -E/SS ordering option identifies the extended-temperature 28-SSOP configuration. A microcontroller is a programmable integrated circuit that combines a CPU core, nonvolatile program memory, working data memory, and peripherals on one device. The PIC24F32KA302 belongs to the PIC24F family and its PIC 16-bit RISC architecture is positioned between simple 8-bit controllers and more complex general-purpose processors. Its eXtreme Low Power feature set, including DSBOR, DSWDT, and RTCC operation in Deep Sleep mode, targets systems that spend substantial time between active processing intervals. Three headline characteristics define this device. First, its PIC 16-bit RISC core operates at up to 32 MHz and is listed at 16 MIPS, providing deterministic control-oriented performance. Second, the memory configuration includes 32 KB of Flash, equivalent to 11K × 24 words, plus 2 KB of data RAM and 512 bytes of EEPROM. Third, the 28-SSOP package supports a broad peripheral mix without requiring the larger QFN or TQFP packages available on other family members. The integrated 12-bit ADC supports analog measurements, while the CTMU provides a charge-timing measurement peripheral. Two I2C channels, an SPI interface, a UART, and six serial I/O ports allow the controller to connect sensors, displays, transceivers, memory devices, and service interfaces. These peripherals reduce the need for external interface ICs in small embedded systems. The CMOS implementation also reflects the family's emphasis on reducing both active and sleep-mode energy consumption. Typical uses include industrial sensing nodes, battery-operated condition monitors, environmental measurement instruments, compact control panels, connected sensors, and low-power data loggers. The 32 MHz maximum operating frequency is appropriate for protocols and control loops requiring more computational headroom than an 8-bit MCU, while XLP peripherals support designs expected to spend extended periods in Deep Sleep. Designers should preserve the exact 28-SSOP land pattern, verify the complete pin assignment against the manufacturer datasheet, and select decoupling and programming connections according to the device guidance. Supply-voltage and peripheral details not included in the verified search data must be confirmed before schematic release. This page combines verified product facts, qualified same-package alternatives, pricing availability notes, and application-oriented design guidance for faster component evaluation.

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PIC24F32KA302-I/ML - 16-bit XLP MCU, 32KB Flash, 28-QFN | Microchip
PIC24F32KA302-I/ML

PIC24F32KA302-I/ML - 16-bit XLP MCU, 32KB Flash, 28-QFN | Microchip

The Microchip Technology PIC24F32KA302-I/ML is a 16-bit PIC® XLP™ (eXtreme Low Power) microcontroller that delivers 16 MIPS performance from a 32 MHz core, integrates 32 KB of Flash program memory (11K x 24), 2 KB of SRAM and 512 bytes of EEPROM, and is housed in a 28-pin QFN package (6 x 6 mm) with an exposed thermal pad. An XLP microcontroller is a class of low-power MCU engineered for battery-powered and energy-harvesting designs. PIC24F XLP parts add nanoWatt features such as Deep Sleep mode with Real-Time Clock/Calendar (RTCC), Deep Sleep Brown-Out Reset (DSBOR), Deep Sleep Watchdog Timer (DSWDT), and ultra-low sleep currents in the order of tens of nanoamps. Within the broader taxonomy, this part belongs to microcontroller -> 16-bit MCU -> PIC24F family -> XLP low-power sub-family -> embedded processing semiconductor. Key features include 17 general-purpose I/O pins, multiple serial interfaces (UART, SPI, I²C), a 12-bit ADC with up to 16 channels, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, up to 5 CCP/ECCP modules, and a wide operating voltage range of 1.8 V to 3.6 V. The -I industrial temperature grade supports -40 °C to +85 °C operation, making the part suitable for harsh environments and outdoor installations. Architecturally, the PIC24F32KA302 uses a 16-bit modified Harvard RISC core with a hardware Multiply/Divide unit and a vectored interrupt controller. The QFN-28 package exposes a thermal pad that bonds to PCB copper to reduce θJA, which improves sustained performance when the device runs peripherals such as the ADC and CTMU continuously. Typical applications include battery-powered IoT sensor nodes, wearable fitness bands, portable medical monitors, low-energy wireless HMI controllers, capacitive touch keypads, and remote environmental dataloggers. The combination of deep-sleep RTCC, 12-bit ADC and CTMU makes it especially suited to designs that must wake briefly, take a measurement, and return to nanoamp currents. When designing with the PIC24F32KA302-I/ML, place 100 nF decoupling on each VDD pin, tie all VSS pins together through the exposed pad, and respect the 1.8 V–3.6 V supply window. For capacitive touch, follow Microchip's CTMU layout guidelines and use guard traces. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet alone, helping engineers shorten BOM selection and PCB bring-up.

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PIC24F32KA302-I/SO - 32MHz Low-Power MCU | Microchip
PIC24F32KA302-I/SO

PIC24F32KA302-I/SO - 32MHz Low-Power MCU | Microchip

The Microchip Technology PIC24F32KA302-I/SO is a 16-bit PIC RISC microcontroller with a 32 MHz maximum clock speed, 32 KB of Flash program memory, 2 KB of RAM, and a 12-bit ADC, packaged in a 28-pin SOIC. It is designed for power-constrained, battery-powered, and space-constrained embedded systems. A microcontroller is a programmable integrated circuit that combines a processor core, nonvolatile program memory, volatile data memory, and peripherals such as analog converters, timers, communication interfaces, and I/O ports. The PIC24F32KA302 belongs to the PIC24 low-power MCU family, combining a 16-bit architecture with eXtreme Low Power, or XLP, technology for portable and energy-conscious equipment. Key features include up to 16 MIPS operation, a 12-bit ADC, capacitive measurement technology, 512 bytes of EEPROM, 17 I/O ports, and a 1.8 V to 3.6 V operating supply range. DSBOR, DSWDT, and the real-time clock and calendar can continue operating in Deep Sleep mode, helping preserve system state and reduce standby consumption in battery-powered designs. The device combines a PIC 16-bit RISC core with dedicated peripheral blocks for analog measurement, timing, digital I/O, and low-power control. Its operation from 1.8 V to 3.6 V supports both 1.8 V and 2.5 V or 3.3 V system rails. Flash memory permits firmware to be programmed and updated in the field, while the small RAM and EEPROM footprint suits compact control products that do not require a high-end processor. Typical applications include battery-powered monitors, portable measurement instruments, industrial sensing nodes, low-power environmental controls, compact medical accessories, and embedded products with touch or capacitive sensing. The 28-pin SOIC package provides a practical option for through-hole assembly and prototype boards where a surface-mount QFN footprint would be inconvenient. Designers should account for the 1.8 V to 3.6 V supply limitation, validate ADC and capacitive-measurement performance across the intended temperature range, and select capacitors and external components using the manufacturer’s guidance. If Deep Sleep behavior is critical, confirm the exact peripheral states, wake sources, and timing from the device-specific documentation rather than relying only on average-current figures. This product page combines verified manufacturer and distributor information with package-aware alternative analysis, practical low-power design notes, and a parameter comparison intended to accelerate component selection and sourcing.

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PIC24F32KA302-I/SP - 16-bit XLP MCU 32KB Flash 28-SPDIP | Microchip
PIC24F32KA302-I/SP

PIC24F32KA302-I/SP - 16-bit XLP MCU 32KB Flash 28-SPDIP | Microchip

The Microchip PIC24F32KA302-I/SP is a 16-bit eXtreme Low Power (XLP) microcontroller from the PIC24F family, delivering up to 16 MIPS at 32 MHz while consuming a fraction of the power typical of comparable MCUs, packaged in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It integrates 32 KB of Flash program memory, 2 KB of SRAM, 512 bytes of EEPROM, and a rich peripheral set including a 12-bit ADC, CTMU (Charge Time Measurement Unit), RTCC, comparators, and configurable logic cells. An MCU (Microcontroller Unit) is a single-chip computer containing a CPU core, non-volatile program memory, volatile data memory, and programmable peripherals. The 16-bit PIC24F architecture uses a modified Harvard RISC core with a 16-bit instruction width and 24-bit instruction word, providing C-friendly code density and deterministic interrupt latency. XLP technology adds Deep Sleep, Sleep, and Idle modes with peripheral retention, enabling coin-cell and battery-powered designs that wake on RTC alarms, comparator events, or external interrupts. Key features include an operating voltage range of 1.8V to 3.6V, ultra-low Deep Sleep currents in the nanoamp range, configurable peripherals via Peripheral Pin Select (PPS), a 12-bit ADC with up to 16 channels, 5-bit DAC, and a Charge Time Measurement Unit for capacitive touch sensing. The device also integrates a Real-Time Clock Calendar (RTCC) with 48-bit timer running in Deep Sleep, plus DSBOR/DSWDT deep-sleep brown-out reset and watchdog timers. Communication peripherals cover UART, SPI, and I2C. The architecture combines high-performance 16-bit compute with power-optimized analog blocks, allowing sensor aggregation, signal processing, and low-duty-cycle wireless host tasks from a single chip. The CTMU enables accurate capacitance measurement for touch buttons, level sensing, and time-of-flight use cases without external timing components. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, energy harvesting devices, remote controls, low-duty-cycle wireless sensor hubs, and industrial metering. The CTMU also enables capacitive touch user interfaces on home appliances and consumer electronics. When designing with this MCU, ensure decoupling capacitors are placed close to VDD/AVDD/VBAT pins, follow PPS configuration order in code to avoid glitches, and verify Deep Sleep current against your battery life budget. The CTMU requires careful PCB layout with guard traces around touch electrodes to prevent false triggers. This page consolidates distributor pricing, drop-in alternatives within the same 28-SPDIP family, and practical design notes that complement the manufacturer datasheet.

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PIC24F32KA302-I/SS - 16-bit 32MHz 32KB Flash XLP MCU 28-SSOP
PIC24F32KA302-I/SS

PIC24F32KA302-I/SS - 16-bit 32MHz 32KB Flash XLP MCU 28-SSOP

The Microchip Technology PIC24F32KA302-I/SS is a 16-bit eXtreme Low Power (XLP) microcontroller from the PIC24F KA family, delivering 16 MIPS performance at 32 MHz while consuming nanoWatt-class sleep currents. It integrates 32 KB of Flash program memory (11K x 24), 2 KB of SRAM, and 512 bytes of EEPROM into a 28-pin SSOP package, making it drop-in compatible with the broader PIC24F32KA30x SSOP family. Operating from 1.8V to 3.6V, it is purpose-built for battery-powered and energy-harvesting embedded designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC24F KA family sits in the 16-bit tier of Microchip's PIC microcontroller portfolio (8-bit PIC10/12/16/18 -> 16-bit PIC24F/dsPIC33 -> 32-bit PIC32), bridging small 8-bit designs and high-performance 32-bit applications. The XLP technology adds deep-sleep operating modes (DSBOR, DSWDT, RTCC) that keep the device drawing microamps while still monitoring real-time clocks and watchdog timers - essential for IoT and wearable deployments. Key features include a 12-bit ADC with up to 9 channels, 3 op amps, a CTMU (Charge Time Measurement Unit) for capacitive touch sensing, 5 timers, 2 UART/I2C/SPI modules, and 17 general-purpose I/O pins. XLP technology enables deep sleep currents below 20 nA with RTCC and full SRAM retention, while active current is typically 8 µA/MIPS. Integrated peripherals eliminate external components, reducing BOM and board area. The PIC24F KA core uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, optimized for C-compiled code via the MPLAB XC16 toolchain. The CTMU and op amps support touch buttons, sliders, and proximity sensors without external analog ICs. The 32 MHz FRC oscillator with PLL provides ±2% accuracy without external crystals, simplifying low-cost designs. Typical applications include IoT sensor nodes, wearable fitness bands, battery-powered medical devices, remote controls, and capacitive touch user interfaces. The wide operating voltage (1.8V-3.6V) and low sleep current make it ideal for solar or coin-cell powered systems. When designing with this part, pay attention to the configuration bits, which lock oscillator mode and watchdog behavior. The CTMU requires a calibration step to achieve accurate capacitance measurements. Use the MPLAB Code Configurator (MCC) plug-in to generate peripheral drivers automatically. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F32KA302T-I/ML - 32KB Flash 16-bit XLP MCU 28-QFN | Microchip
PIC24F32KA302T-I/ML

PIC24F32KA302T-I/ML - 32KB Flash 16-bit XLP MCU 28-QFN | Microchip

The Microchip Technology PIC24F32KA302T-I/ML is a 16-bit PIC® XLP™ (eXtreme Low Power) flash microcontroller running at up to 32 MHz (16 MIPS) and packaged in a 28-pin QFN (ML) 6x6 mm with an exposed thermal pad for enhanced heat dissipation. It integrates 32 KB of flash program memory (11K x 24 words), 2 KB of SRAM, and 512 bytes of EEPROM for non-volatile data storage, making it suitable for complex firmware and data logging in battery-powered applications. A 16-bit microcontroller (MCU) is a single-chip computer based on an enhanced Harvard architecture, providing higher arithmetic precision and code density than 8-bit MCUs while consuming far less power than 32-bit Cortex-M parts. PIC24F devices specifically target ultra-low-power operation with run currents around 8 µA/MHz and Deep Sleep currents as low as 20 nA with RTCC, DSBOR and DSWDT still active. Key features include a 12-bit A/D converter with up to 13 input channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and accurate time measurement, multiple serial interfaces (UART, SPI, I2C™), and 5 16-bit timers. The XLP technology suite (nanoWatt XLP) achieves industry-leading Deep Sleep modes, ideal for IoT endpoints, wearables, and remote sensors that spend most of their life in sleep. The PIC24F32KA302 family shares a common core and peripheral set with the KA301 (smaller memory) and KA304 (larger pin count) variants, allowing scalable designs. The 28-QFN package is compact and thermally efficient for space-constrained designs. Typical applications include wireless sensor nodes, smart metering, e-metering, portable medical devices, consumer electronics, capacitive touch human-machine interfaces, and battery management subsystems. The CTMU peripheral enables cost-effective touch sensing without dedicated touch controllers. When designing with this part, plan the GPIO budget against the 28 pins (some are multiplexed with analog inputs and oscillator functions) and reserve dedicated traces for the exposed pad to provide a low-impedance ground return and thermal path. Use Microchip's MPLAB X IDE and the XC16 compiler for development. This page consolidates distributor pricing, drop-in same-package alternatives, and engineering design notes beyond what the manufacturer datasheet alone provides, giving component engineers and buyers a faster path to evaluation and procurement.

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