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PIC24F04KA200-I/ST - 16-bit XLP MCU 4KB Flash | Microchip
PIC24F04KA200-I/ST

PIC24F04KA200-I/ST - 16-bit XLP MCU 4KB Flash | Microchip

The Microchip Technology PIC24F04KA200-I/ST is a 16-bit PIC® microcontroller from the PIC24F eXtreme Low Power (XLP) family, integrating 4 KB Flash, 512 B RAM, and a 32 MHz CPU core in a 14-pin TSSOP package. Designed for power-constrained and battery-powered applications, the device combines a modified Harvard RISC architecture delivering up to 16 MIPS at 3.3 V with rich peripherals including a 10-bit 500 ksps ADC, deep-sleep brown-out reset (DSBOR), deep-sleep watchdog timer (DSWDT), and a real-time clock calendar (RTCC). The 3 V operating range and ultra-low-power modes target industrial-grade IoT sensors, wearable health monitors, and remote controls where quiescent current in nA range directly determines battery lifetime. The 14-TSSOP (ST) footprint occupies a tiny PCB area while exposing all essential I/O including UART, I2C, SPI, and up to 12 general-purpose I/O pins. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and integrated peripherals such as ADC, timers, and communication interfaces. PIC24F devices use Microchip's modified Harvard architecture with separate program and data buses to allow simultaneous instruction fetch and data access, achieving deterministic throughput while retaining C-compiler friendliness through a 24-bit instruction word. Within the broader semiconductor taxonomy, an MCU sits under microcontrollers -> microprocessors -> logic ICs -> integrated circuits, and the PIC24F specifically targets ultra-low-power embedded applications. Key features of the PIC24F04KA200-I/ST include 4 KB (1.375K x 24) self-programmable Flash with program-memory erase, 512 B SRAM, 10-bit 1.1 Msps ADC with up to 9 channels, five 16-bit timers, two UART modules, one SPI and one I2C peripheral, four capture inputs, and four PWM outputs. The integrated RTCC operates down to 1.8 V with an external 32.768 kHz crystal for calendar-aware sleep wake-ups. Multiple power-saving modes - Sleep, Idle, Deep Sleep, and Deep Sleep with RTCC - enable quiescent currents as low as 20 nA with full RAM retention, making the device a strong fit for energy-harvesting and primary-cell battery designs. From an architecture perspective, the PIC24F04KA200 family uses a wide instruction pipeline with hardware multiply and divide, supporting both C and assembly development under MPLAB X IDE with the XC16 compiler. The internal 8 MHz oscillator with 4x PLL reaches the 32 MHz FOSC limit, and an auxiliary 31 kHz internal oscillator keeps RTCC timing during deep sleep. CIPs (Core Independent Peripherals) such as the Configurable Logic Cell and Peripheral Pin Select reduce the need for external glue logic, accelerating BOM cost and PCB area on tightly constrained designs. Typical applications include IoT sensor nodes (BLE/Zigbee co-processor hosts), battery-powered remote controls, medical wearables such as glucose meters and pulse oximeters, industrial smart meters, consumer thermometers, and low-cost HVAC thermostats. The XLP feature set is equally well suited to e-metering and asset-tracking tags. A primary design consideration is correctly budgeting the deep-sleep wake current versus active-mode throughput: at 32 MHz the device draws roughly 8 mA, so designers should size tasks to minimize active dwell time. The 14-TSSOP footprint is a real-world surface-mount package shared across the PIC24F04KA201 / PIC24FV04KA200 variants, enabling straightforward PCB layout reuse. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F04KA200T-I/ST - 4KB Flash 16-bit XLP MCU | Microchip
PIC24F04KA200T-I/ST

PIC24F04KA200T-I/ST - 4KB Flash 16-bit XLP MCU | Microchip

The Microchip PIC24F04KA200T-I/ST is a 16-bit PIC microcontroller featuring nanoWatt XLP eXtreme Low Power technology, 4KB flash program memory, 512 bytes RAM, and a 32 MHz (16 MIPS) CPU core. It is housed in a 14-pin TSSOP (ST) surface-mount package with 12 configurable I/O pins, an internal oscillator, and a 10-bit 500 ksps ADC. Operating voltage spans 1.8V to 3.6V with deep-sleep current below 1 uA. A 16-bit microcontroller (MCU) is an embedded processor whose arithmetic logic unit operates on 16-bit data words in a single instruction, balancing code density and throughput for low-to-mid power applications. The PIC24F family sits in Microchip's hierarchy below 32-bit PIC32 and ARM Cortex-M MCUs but above 8-bit PIC16/PIC18, targeting ultra-low-power battery and energy-harvesting designs where processing headroom beyond 8 bits is required but system cost must stay minimal. The 'XLP' (eXtreme Low Power) designation indicates specialized low-power peripherals such as DSBOR, DSWDT, and RTCC retained in deep sleep. Key features include 4 KB flash (1.375K x 24 instructions), 512 bytes SRAM, hardware multiplier, 3 x 16-bit timers, 2 x UART, 1 x SPI, 1 x I2C, 10-bit 500 ksps ADC with up to 9 channels, and 12 I/O pins with interrupt-on-change. The device supports -40C to +85C industrial temperature operation and offers 5 x 5 mm TSSOP-14 form factor compatible with hand-solderable prototypes. The PIC24F04KA200 architecture combines a modified Harvard RISC core with DSP-like instructions, enabling efficient C compilation while retaining small code footprint. The nanoWatt XLP technology extends battery life through multiple sleep modes including deep sleep with RTCC retention at sub-microamp currents, making the family suitable for always-on IoT endpoints and remote sensor nodes. Typical applications include IoT sensor nodes, battery-powered medical wearables, home automation peripherals, smart meters, remote controls, and consumer electronics requiring low-power 16-bit processing. The TSSOP-14 package is preferred when PCB area is constrained but moderate I/O count suffices. When designing with this device, ensure the ICSP programming interface pins (PGEDx/PGECx) are accessible for in-circuit programming. The internal oscillator can drift over temperature; use the RTCC calibration for time-critical applications. Always derate the ADC input impedance per datasheet for accurate conversions above 200 ksps. This page synthesizes distributor pricing across 11+ sources, drop-in compatible alternatives within the PIC24F family, and practical design notes drawn from Microchip application notes - information not consolidated on any single manufacturer or distributor page.

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PIC24F04KA201-I/P - 16-Bit 32MHz 4KB MCU | Microchip
PIC24F04KA201-I/P

PIC24F04KA201-I/P - 16-Bit 32MHz 4KB MCU | Microchip

The Microchip Technology PIC24F04KA201-I/P is a 16-bit XLP microcontroller with a 32 MHz maximum clock, 4 KB of Flash memory, 512 bytes of RAM, and a 20-pin PDIP package. It is designed for cost-sensitive, power-constrained, and battery-powered embedded systems. A microcontroller is a programmable semiconductor that integrates a CPU, Flash program memory, RAM, and peripherals on one device. The PIC24F04KA201 belongs to the PIC24F family of 16-bit RISC microcontrollers and uses nanoWatt XLP technology to reduce current consumption during idle, sleep, and deep-sleep operation. Its deep-sleep features include DSBOR and DSWDT, while the RTCC supports low-power timekeeping applications. Key device attributes include up to 16 MIPS performance, a 10-bit 500 kSPS ADC, CTMU touch and measurement capability, UART communication, and basic code-guard security. The 4 KB Flash capacity provides 1,375 words of program memory, while the 20-pin PDIP package supports conventional through-hole PCB assembly and prototyping. The device combines a compact general-purpose platform with application-specific peripherals in a low-cost 16-bit architecture. Its 32 MHz performance ceiling and 16 MIPS throughput support control loops, communication tasks, data acquisition, and low-power sensor handling. The ADC and CTMU make it useful where analog measurement or capacitive-touch sensing is needed without adding separate interface ICs. Typical applications include battery-powered monitors, environmental sensors, small industrial controls, building and access equipment, energy-harvesting nodes, touch interfaces, and low-cost embedded products. The deep-sleep modes are particularly valuable when average standby power dominates the operating budget. Design with the manufacturer datasheet and family data sheet as the controlling references. Confirm the exact operating-voltage limits, pin functions, oscillator configurations, ADC limits, and absolute maximum ratings for the selected package. Place decoupling capacitors close to the supply pins and use a compatible clock and programming arrangement for the target board.

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PIC24F04KA201-I/SO - 4KB Flash 16-bit XLP MCU SOIC-20 | Microchip
PIC24F04KA201-I/SO

PIC24F04KA201-I/SO - 4KB Flash 16-bit XLP MCU SOIC-20 | Microchip

The Microchip Technology PIC24F04KA201-I/SO is a 16-bit PIC24 microcontroller from the XLP (eXtreme Low Power) family, integrating 4KB Flash, 512B RAM, and a 32MHz core in a 20-pin SOIC package. It delivers 16 MIPS performance, includes a 10-bit 500 ksps ADC, and supports sleep currents as low as 20 nA in Deep Sleep mode. A 16-bit microcontroller (MCU) is an embedded processing device with a 16-bit data path and instruction word, positioned between 8-bit MCUs and 32-bit ARM Cortex-M cores in the embedded computing hierarchy. Within the power-management-aware MCU segment, XLP-family devices add nanoWatt technology, ultra-low sleep currents, and rich peripherals to enable years of operation from a single coin cell. This makes the PIC24F04KA201 well suited for battery-powered sensors, energy-harvesting designs, and portable instrumentation. Key features include 4KB self-programmable Flash with 1.375K x 24 organization, 512B SRAM, hardware Real-Time Clock and Calendar (RTCC) with calendar mode, charge time measurement unit (CTMU) for capacitive touch, up to 14 I/O pins, and configurable peripheral pin select. The part supports 1.8V to 3.6V operation, enabling direct coin-cell or Li-ion battery connection without an external regulator. The device uses a 16-bit modified Harvard architecture with a 24-bit instruction word, dedicated hardware multiply/divide, and an instruction trace buffer. Deep Sleep mode with RTCC retains timekeeping while consuming nanoampere-range current, and the CTMU allows capacitive touch sensing with no external analog components. The 10-bit ADC with internal 1.2V bandgap reference simplifies sensor interfacing. Typical applications include battery-powered sensor nodes, consumer health and fitness wearables, home-automation endpoints, capacitive-touch user interfaces, remote controls, and ultra-low-power IoT endpoints. The wide operating voltage and low active current (around 1 mA at 8 MHz) simplify energy-budget calculations. When designing with this device, allocate 14 usable I/O pins carefully because pins are shared between peripherals; the peripheral pin select feature eases remapping. Add a 1 uF decoupling capacitor near VDD and follow Microchip layout guidelines for the analog supply. This page combines distributor pricing, same-package alternatives, and design notes that complement the manufacturer datasheet to help engineers shorten selection and bring-up time.

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PIC24F04KA201-I/SS - 16-bit 4KB Flash MCU | Microchip
PIC24F04KA201-I/SS

PIC24F04KA201-I/SS - 16-bit 4KB Flash MCU | Microchip

The Microchip PIC24F04KA201-I/SS is a 16-bit microcontroller from the PIC24F eXtreme Low Power family, featuring 4 KB of Flash program memory and 512 bytes of SRAM in a 20-pin SSOP package. It operates from 1.8V to 3.6V and delivers up to 16 MIPS performance at 32 MHz CPU clock. The device integrates a 10-bit 500 ksps ADC, multiple timers, UART, I2C, and SPI peripherals for embedded connectivity. A 16-bit MCU (microcontroller unit) is an integrated circuit containing a CPU core, program and data memory, peripherals, and I/O on a single chip. The PIC24F family uses a modified Harvard RISC architecture with a 16-bit data path, sitting hierarchically within Microchip's product tree as: PIC24F -> 16-bit MCU -> microcontroller -> embedded IC -> semiconductor. The eXtreme Low Power technology adds nanoWatt features such as Deep Sleep and Sleep modes with sub-microsecond wake-up, enabling years of operation from coin-cell or battery sources. Key features include 4 KB self-programmable Flash, 512 B SRAM, hardware Real-Time Clock and Calendar (RTCC), Charge Time Measurement Unit (CTMU) for capacitive touch and 1 mA current source, 9-channel 10-bit 500 ksps ADC, two UART, one SPI, one I2C, four 16-bit timers, and four PWM channels. The industrial -40C to +85C operating range suits harsh embedded deployments. The architecture combines a 16-bit instruction set with a 32 MHz oscillator and a hardware multiplier, achieving 16 MIPS throughput. The Deep Sleep mode drops current to approximately 20 nA while retaining SRAM, supporting ultra-low-power duty-cycled applications where the MCU wakes briefly to take a sensor reading and returns to sleep. Typical applications include low-power sensor nodes, capacitive touch user interfaces, battery-powered medical wearables, consumer electronics remote controls, and industrial data loggers. The CTMU peripheral is well-suited for touch-button decoding, while the RTCC allows time-stamping without an external RTC chip. When designing with this device, pay attention to the Vcap pin requiring an external capacitor for the internal core voltage regulator, and ensure the MCLR pin is pulled high through a resistor for reliable operation. Program via ICSP using PGEDx/PGECx pins shared with general I/O. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate migration paths within the PIC24F04KA2xx family and select the correct -I/SS package variant for low-volume prototyping or mass production.

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PIC24F04KA201T-I/MQ - 16-bit XLP MCU, 4KB Flash, 20-VQFN | Microchip
PIC24F04KA201T-I/MQ

PIC24F04KA201T-I/MQ - 16-bit XLP MCU, 4KB Flash, 20-VQFN | Microchip

The Microchip PIC24F04KA201T-I/MQ is a 16-bit Flash microcontroller from the PIC24F family featuring nanoWatt XLP technology for extreme low-power consumption, delivering 16 MIPS performance at 32 MHz in a 20-pin VQFN (MQ, 5x5 mm) package with exposed thermal pad. It integrates 4 KB of self-programmable Flash program memory (1.375K x 24 words), 512 B SRAM, and 256 B data EEPROM in a compact surface-mount footprint, with the 'T' suffix denoting Tape & Reel packaging and 'I' indicating the -40C to +85C industrial temperature grade. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), data EEPROM, and a rich set of peripherals (timers, ADC, communication interfaces, GPIO) into one package. The PIC24F family sits at the entry of the 16-bit dsPIC/PIC24 line, targeting applications that have outgrown 8-bit PIC MCUs but do not require the DSP acceleration of dsPIC33 devices. The 'F' denotes Flash program memory, while 'XLP' (eXtreme Low Power) adds deep-sleep current as low as 20 nA, watchdog-timer-free idle modes, and ultra-low-power Real-Time Clock (RTCC) operation, positioning PIC24F XLP parts as direct competitors to ARM Cortex-M0+ low-power MCUs in battery-powered designs. Key differentiating features include nanoWatt XLP deep-sleep current of approximately 20 nA with RTCC retention, ultra-low-power wake-up sources (WDT, RTCC, INT0), an integrated 10-bit ADC with up to 9 channels, two UART modules with IrDA support, an I2C module, and up to 4 PWM/CCP channels. The 16 MIPS core supports C-optimized instruction set with hardware multiply, and the device operates from 1.8 V to 3.6 V. The 20-VQFN (MQ) package provides a low-profile 5x5 mm footprint suitable for space-constrained designs, and the device is supported by MPLAB X IDE with free XC16 compiler. Architecturally, the PIC24F04KA201 uses a modified Harvard architecture with separate program and data buses, 16-bit instruction words, and a vectored interrupt controller. The PIC24F family supports up to 4K eraseable Flash blocks, internal voltage regulation with on-chip FRC oscillator, and CTMU (Charge Time Measurement Unit) for capacitive touch sensing. The 16 MIPS performance at 32 MHz makes it suitable for sensor fusion, simple control loops, and low-bandwidth communication stacks. Typical applications include battery-powered medical sensors (blood pressure monitors, glucose meters), remote control units, home automation sensor nodes, IoT edge devices, smart thermostats, energy harvesting systems, low-power wireless sensor nodes, and wearable health monitors. The XLP technology particularly suits applications where the MCU spends most of its life in deep sleep, waking only briefly for measurement and transmission. When designing with this MCU, prioritize minimizing active mode time and use the deep-sleep modes between sensor measurements. Select the lowest-power oscillator configuration compatible with timing requirements, and use peripheral clock gating to disable unused peripherals. Always read-modify-write disable-on-wake configurations carefully in the datasheet to avoid unexpected peripheral activation after sleep-wake cycles. This page synthesizes Microchip datasheet values, distributor inventory snapshots, drop-in alternative MPNs, and practical low-power design notes not consolidated in the manufacturer datasheet, providing a one-stop engineering reference for the PIC24F04KA201T-I/MQ.

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PIC24F04KA201T-I/SO - 16-Bit XLP MCU, 4KB Flash, 32MHz | Microchip
PIC24F04KA201T-I/SO

PIC24F04KA201T-I/SO - 16-Bit XLP MCU, 4KB Flash, 32MHz | Microchip

The Microchip Technology PIC24F04KA201T-I/SO is a 16-bit PIC® microcontroller from the PIC24F04KA201 family, featuring nanoWatt XLP™ (eXtreme Low Power) technology and 4KB of Flash program memory in a 20-pin SOIC (0.295-inch, 7.50mm width) package. It operates at up to 32MHz with 16 MIPS performance, 512 bytes of RAM, and an integrated 10-bit 500 ksps ADC, targeting battery-powered and energy-constrained embedded designs. The 'T' suffix indicates tape-and-reel packaging, and the 'I' indicates an industrial temperature grade of -40°C to +85°C. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripherals such as ADCs, timers, communication interfaces, and I/O. 16-bit microcontrollers occupy the middle ground between 8-bit MCUs (PIC16, PIC18, AVR) used in simple control tasks and 32-bit MCUs (PIC32, ARM Cortex-M) used in computationally intensive applications. The PIC24F family belongs to the broader category of low-power MCUs, sitting within the taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor IC. The nanoWatt XLP technology places PIC24F among the lowest active and standby current consumption devices in this class. Key differentiating features of the PIC24F04KA201 include 4KB Flash (1.375K × 24 instruction words), 512 bytes RAM, 18 general-purpose I/O pins, an internal oscillator, a 10-bit ADC with up to 500 ksps throughput, multiple low-power sleep modes, and on-chip debugging via PGx/PGD. The device supports operating voltages from 1.8V to 3.6V, enabling direct Li-ion or 2× AA battery operation. Its small 20-pin SOIC footprint allows integration into compact PCBs where board space is at a premium. Typical applications include low-power wireless sensor nodes, IoT edge devices, battery-powered instrumentation, consumer remote controls, small-form-factor sensor hubs, and portable medical accessories. The wide operating voltage range and eXtreme Low Power sleep modes make it particularly suited to applications with multi-year battery life targets where the MCU spends most of its time in deep sleep and wakes only briefly for measurement and transmission. When designing with this MCU, place decoupling capacitors (typically 100nF and 10µF) close to the VDD/VSS pins, route the ICSP PGx/PGD traces with short, parallel lengths to avoid signal-integrity issues during programming, and connect the MCLR pin through the recommended 10kΩ pull-up for reliable reset behavior. The internal oscillator eliminates external crystal cost but limits precision; applications requiring tight timing accuracy should consider an external crystal option from the same family.

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PIC24F04KL100-E/P - 16-bit MCU, 4KB Flash, 32MHz XLP | Microchip
PIC24F04KL100-E/P

PIC24F04KL100-E/P - 16-bit MCU, 4KB Flash, 32MHz XLP | Microchip

The Microchip PIC24F04KL100-E/P is a cost-effective 16-bit microcontroller from the PIC24F KL1 family featuring nanoWatt XLP eXtreme Low Power technology, 4KB (1.375K x 24) of Flash program memory, 512 bytes of RAM, and a maximum 32 MHz CPU speed delivering 16 MIPS, housed in a 14-pin PDIP (through-hole) package. A 16-bit microcontroller (MCU) is a programmable computing device that combines a CPU, memory, and peripherals on a single silicon die. PIC24F devices use a 16-bit modified Harvard architecture with a CISC instruction set optimized for C compiler code density, sitting in the hierarchy: microcontroller -> MCU -> embedded processor -> semiconductor IC. The KL sub-family emphasizes ultra-low-power operation, making it well-suited to battery-driven and energy-harvesting designs. Key specifications include an operating voltage range of 1.8 V to 3.6 V (with 2 V/3.3 V typical targets), an integrated 16 MHz internal RC oscillator, on-chip peripherals such as MSSP (I2C/SPI), CCP, 10-bit ADC, comparators, timers, PWM, HLVD, and Brown-out Reset. The 14-pin PDIP package is 0.300 inch (7.62 mm) wide and is supplied in tube packaging for prototyping or low-volume production. The KL1 architecture uses an enhanced 16-bit CPU core with hardware multiply support and a 16-bit-wide instruction path, enabling deterministic interrupt latency and DSP-friendly operations despite its small footprint. The XLP nanoWatt technology provides sleep currents in the microampere range, RTC operation from a coin cell, and deep sleep modes that retain RAM, allowing year-long battery life in typical IoT duty-cycled applications. Typical applications include battery-powered IoT sensor nodes, wearable fitness/health monitors, low-power remote controls, consumer appliances with capacitive touch interfaces, and cost-sensitive industrial sensor transmitters. The wide migration path from PIC18 peripherals (MSSP, CCP) simplifies firmware porting from 8-bit designs. Designers should note that 4KB Flash and 512B RAM are very modest; large protocol stacks (TCP/IP, BLE) require careful RAM budgeting or migration to larger KL/EP variants. Decoupling VDD/AVSS with 100 nF ceramic capacitors close to the pins is recommended, and ICSP programming pins (PGEDx/PGECx) must be reserved on the PCB for in-circuit programming and debug. This page synthesizes verified distributor pricing, same-brand drop-in alternatives, cross-reference tool results, and practical design notes not found in the manufacturer datasheet alone.

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PIC24F04KL100-E/ST - 16-bit 32MHz 4KB Flash MCU | Microchip
PIC24F04KL100-E/ST

PIC24F04KL100-E/ST - 16-bit 32MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC24F04KL100-E/ST is a 16-bit PIC24F microcontroller featuring 4KB Flash program memory, 512B RAM, and a 32MHz (16 MIPS) CPU core, housed in a 14-pin TSSOP package. It operates from 2.0V to 3.6V, supports industrial-grade temperature range from -40°C to +125°C, and integrates nanoWatt XLP (eXtreme Low Power) technology for ultra-low-power operation in cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals into one device. The 16-bit PIC24F architecture sits within Microchip's broader taxonomy of MCU -> 16-bit MCU -> PIC24F family -> low-power PIC microcontroller, sharing peripheral IP with PIC18 devices to simplify migration. This positioning makes the PIC24F04KL100 a bridge between 8-bit and 32-bit worlds, offering higher computational throughput than PIC18 without the cost or complexity of a Cortex-M0 design. Key features include 4KB Flash (1.375K x 24 instruction words), 512B SRAM, 10-bit ADC, multiple 16-bit timers, MSSP for I2C/SPI, a Capture/Compare/PWM (CCP) peripheral, and nanoWatt XLP sleep modes that can drop current consumption into the nanoampere range. The 14-pin TSSOP package reduces board area to approximately 4.4mm wide, making it well suited for space-constrained consumer, industrial sensor, and IoT edge-node designs. The 16 MIPS performance enables basic signal processing, sensor fusion, and protocol bridging in real time. The wide 2.0V–3.6V supply range supports battery-powered applications and direct connection to single-cell Li-ion or two-AA battery stacks. Internal 8 MHz and 32 kHz oscillators, plus PLL-based 32 MHz operation, give designers flexibility in balancing performance versus current consumption. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, consumer appliance control boards, industrial sensor interfaces, and cost-sensitive HVAC or home-automation edge modules. The combination of 16 MIPS throughput with deep-sleep nanoamp currents suits devices that wake briefly to take a measurement and return to sleep. Designers should plan for an external decoupling capacitor array near VDD/VCAP pins, route the MCLR line with a short trace and proper pull-up, and reserve the ICSP programming footprint for in-circuit programming and debug via the PGEDx/PGECx pair. The 14-pin TSSOP footprint requires careful pin assignment for analog and digital signals. This page synthesizes distributor pricing, cross-reference alternatives, and practical design notes not found in the standalone manufacturer datasheet, including expanded application scenarios and reference design recommendations.

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PIC24F04KL100-I/P - 16-bit 32MHz XLP MCU, 4KB Flash | Microchip
PIC24F04KL100-I/P

PIC24F04KL100-I/P - 16-bit 32MHz XLP MCU, 4KB Flash | Microchip

The Microchip Technology PIC24F04KL100-I/P is a 16-bit RISC microcontroller in the PIC24F XLP family, delivering up to 32 MHz (16 MIPS) performance from a 4 KB Flash program memory and 512 B SRAM, housed in a 14-pin PDIP through-hole package. Operating from 1.8 V to 3.6 V, it targets cost-sensitive and low-power embedded applications where every milliamp and every square millimeter matter. The KL100 sub-family is the entry tier of PIC24F, designed for designers who need PIC18-style peripheral familiarity with the throughput of a 16-bit core. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing processor core, memory and peripherals. The '16-bit' designation indicates the data path and register width, which doubles arithmetic throughput and pointer reach versus 8-bit devices like PIC18. Within the broader hierarchy, the PIC24F04KL100 sits in: microcontroller -> embedded controller -> semiconductor IC. The XLP (eXtreme Low Power) suffix identifies parts that implement nanoWatt XLP technology - sleep currents measured in nanoamps - making them suitable for battery-powered or energy-harvesting products. Key features of the PIC24F04KL100-I/P include 4 KB self-programmable Flash (1.375 K x 24 instruction words), 512 B SRAM, an integrated 16 MHz internal RC oscillator (selectable up to 32 MHz with PLL), one I2C/SPI MSSP peripheral, one Enhanced CCP, a 10-bit ADC with up to 9 channels, four timers (Timer1 16-bit, Timer2/3 8/16-bit, etc.), and a full-speed USB 2.0 (PIC24F KL1x0 feature set in some variants). The 14-pin PDIP package measures 0.300 inch (7.62 mm) row-to-row and is rated for -40 C to +85 C industrial operation, providing robust hand-solderable through-hole assembly for prototypes, hobbyist designs, and industrial control boards. Architecturally, the KL100 uses a modified Harvard RISC core with a 24-bit instruction word, a hardware stack, and a single-cycle 16x16 multiply. eXtreme Low Power (XLP) features include deep sleep, sleep with RAM retention, ultra-low-power wake, and Idle/Doze modes. Peripherals inherit PIC18 register layouts (MSSP, ECCP, A/D) which eases migration from PIC16F/PIC18F codebases. Typical applications include low-cost sensor nodes, battery-powered data loggers, USB-CDC/HID peripherals, home appliance user-interface boards, and educational maker platforms. The PDIP package is especially valued in breadboard prototyping where SMD parts cannot be inserted. Designers should verify that the supply voltage stays within 1.8 V to 3.6 V and place a 0.1 uF decoupling capacitor on VDD as close as possible to the pin. When migrating from PIC18 to PIC24F KL100, pay attention to the wider Flash word (24 bits vs 14 bits) and the different peripheral library naming conventions.

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PIC24F04KL100T-I/ST - 4KB Flash 16-bit XLP MCU | Microchip TSSOP-14
PIC24F04KL100T-I/ST

PIC24F04KL100T-I/ST - 4KB Flash 16-bit XLP MCU | Microchip TSSOP-14

The Microchip Technology PIC24F04KL100T-I/ST is a 16-bit PIC microcontroller with 4 KB Flash program memory and 512 bytes RAM, operating at up to 32 MHz (16 MIPS) in a 14-pin TSSOP package. It belongs to the PIC24F KL1xx family featuring nanoWatt XLP (eXtreme Low Power) technology, with run-mode currents under 350 uA/MHz at 1.8 V and industry-leading sleep currents below 20 nA typical. The device operates across 1.8 V to 3.6 V supply and includes PIC18-compatible peripherals such as MSSP (I2C/SPI) and CCP for flexible migration from 8-bit designs. A 16-bit MCU is a microcontroller with a 16-bit wide datapath, occupying the middle tier of the MCU hierarchy (8-bit -> 16-bit -> 32-bit) within the broader semiconductor taxonomy. The PIC24F family specifically uses Microchip's modified Harvard architecture with a 16-bit instruction word optimized for C code density, fitting between the PIC18 (8-bit) and PIC32 (32-bit MIPS-based) families. The KL sub-series emphasizes ultra-low-power operation via XLP technology, making it a strong choice for battery-powered and energy-harvesting products where 32-bit Cortex-M parts would be over-spec and 8-bit PIC18 parts lack DSP performance. Key features include 4 KB self-programmable Flash with 128 KB erase endurance, 512 bytes SRAM, 12-bit ADC, multiple timers, and a peripheral set oriented toward sensor interfaces and low-power wireless control loops. The device integrates an 8 MHz internal oscillator with PLL support, eliminating external crystals in many cost-sensitive designs. AEC-Q100 qualification makes the part usable in automotive applications, while TSSOP-14 packaging simplifies hand-prototyping and reflow assembly. Architecturally, the PIC24F04KL100 uses a single-cycle 16-bit ALU with hardware multiply, allowing 32-bit multiplications in a single instruction. The XLP power management integrates deep sleep, sleep, idle, and run modes, with peripheral clock gating and ultra-low-power wake sources such as RTCC, watchdog timer, and interrupt-on-change. The MSSP module supports both I2C (master/slave) and SPI, while the CCP/ECCP modules provide PWM, capture, and compare functions. Typical applications include battery-powered IoT sensor nodes, wearable health monitors, low-power wireless remote controls, HVAC thermostat front-ends, automotive body controllers, and consumer remote keyless entry systems. The XLP technology is especially valuable in applications with multi-year battery life targets where quiescent current dominates total energy consumption. When designing with this part, evaluate whether 4 KB Flash is sufficient for the full firmware image including boot loader and stack overhead; choose a larger-memory sibling (PIC24F08KL/KA) for richer feature sets. For designs requiring USB or CAN, the KL1xx family does not include these peripherals and a step-up to PIC24FJ or PIC18F K-series is recommended.

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PIC24F04KL101-E/MQ - 16-Bit 4KB Flash MCU | Microchip
PIC24F04KL101-E/MQ

PIC24F04KL101-E/MQ - 16-Bit 4KB Flash MCU | Microchip

The Microchip PIC24F04KL101-E/MQ is a 16-bit PIC24F RISC microcontroller with 4KB flash and 512B RAM, running at 32 MHz for 16 MIPS, packaged in a 20-pin VQFN (5x5 mm) with extended (-40C to +125C) operating temperature range. The MCU is built around the nanoWatt XLP eXtreme Low Power architecture, enabling deep sleep currents well below 1 uA typical for battery-powered designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, plus configurable peripherals. The PIC24F KL1 family targets cost-sensitive 8- to 16-bit migration with familiar PIC18 peripherals such as MSSP (I2C/SPI) and CCP, allowing designers to step up to 16-bit performance without abandoning the PIC18 toolchain. As part of the broader PIC24F family -> 16-bit MCU -> microcontroller -> embedded controller hierarchy, the KL1 sits in the cost-optimized branch. Key features of the PIC24F04KL101-E/MQ include 4KB self-programmable flash with ECC, 512B SRAM, a 9-channel 10-bit ADC, two analog comparators, MSSP supporting I2C/SPI, one UART, two CCP modules, and a 32 kHz RTCC for real-time clock operation. The device supports 1.8V to 3.6V VDD with on-chip LDO, eliminating the need for external regulators. Architecture details: the KL1 uses a 16-bit modified Harvard core with single-cycle multiply and divide, 16 working registers, and a deterministic 7-deep interrupt stack. XLP technology includes Sleep, Deep Sleep, and Retention modes with sub-uA quiescent current and fast wake-up, enabled by the on-chip RTCC and a hardware Windowed Watchdog Timer. Typical applications include coin-cell and battery-powered sensor nodes, low-cost remote controls, energy-harvesting IoT endpoints, industrial sensor transmitters, and automotive accessory modules (a qualified variant exists in the same family). The -E extended temperature grade makes it suitable for under-hood and outdoor environments. For designs, ensure VDD decoupling with at least one 100 nF + one 10 uF bulk capacitor placed close to the pins, route the ICSP clock/data lines cleanly, and observe the MCLR pull-up timing requirements for reliable in-circuit programming. This page synthesizes distributor pricing, drop-in alternatives, and design notes that complement the manufacturer datasheet with practical engineering guidance.

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PIC24F04KL101-E/P - 16-bit MCU, 32MHz, 4KB Flash, 20-PDIP | Microchip
PIC24F04KL101-E/P

PIC24F04KL101-E/P - 16-bit MCU, 32MHz, 4KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC24F04KL101-E/P is a 16-bit microcontroller from the PIC24F "KL" family featuring the nanoWatt XLP eXtreme Low Power technology, 4KB of Flash program memory (1.375K x 24), 512 bytes of RAM, and a maximum CPU speed of 32MHz delivering up to 16 MIPS, all housed in a 20-pin PDIP (DIP) through-hole package with industrial-grade -40C to +125C operating range. The -E suffix indicates the extended (industrial) temperature grade. This part is part of Microchip's cost-effective migration path from PIC18 architectures to 16-bit PIC24F performance while preserving peripheral familiarity. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals (I/O, timers, communication interfaces). A 16-bit MCU like the PIC24F04KL101 processes data in 16-bit words, doubling the arithmetic throughput of 8-bit MCUs while retaining low cost and ultra-low power consumption. The PIC24F sits in the hierarchy: microcontroller -> 16-bit MCU -> PIC24F family -> "KL" sub-family (low-power, low-cost, low pin count). Key features of the PIC24F04KL101 include 4KB self-programmable Flash with table-read/table-write support, 512 bytes of SRAM, a 3-channel 16-bit timer, MSSP (Master Synchronous Serial Port) supporting both I2C and SPI, CCP (Capture/Compare/PWM), 10-bit ADC, nanoWatt XLP deep-sleep modes down to nanoampere quiescent current, and an integrated 32kHz low-power oscillator. The device operates from 1.8V to 3.6V, making it ideal for single-cell lithium or two-AA battery applications. Architecturally, the PIC24F "KL" family uses a modified Harvard architecture with separate 16-bit instruction and 24-bit data paths, allowing single-cycle instruction fetch with single-cycle data access. The nanoWatt XLP technology incorporates multiple power-saving modes (Sleep, Idle, Doze) and a dedicated low-power Real-Time Clock/Calendar domain, drawing currents measured in nanoamps in deep-sleep with RTCC active. This combination delivers extended battery life for always-on sensor applications. Typical applications include low-cost consumer electronics (portable media players, toys, remote controls), battery-powered medical disposables (glucose meters, inhalers), safety/security peripherals (wireless sensors, smoke detector bases), industrial sensor nodes (LoRaWAN/BLE end-nodes), and any application migrating from PIC18 to 16-bit PIC24F while keeping the same DIP-20 footprint. The through-hole 20-PDIP package is favored for hand-prototyping, education, and field-replaceable designs. When designing with the PIC24F04KL101-E/P, place a 0.1uF decoupling capacitor as close as possible to the VDD pin and a 10uF bulk capacitor on the supply rail. Use the ICSP interface (PGECx/PGEDx pairs) for in-circuit programming and debugging, and select the correct pair for your PCB layout. Do not exceed the 3.6V absolute maximum on any pin to avoid latch-up. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving you a single reference for sourcing, comparing, and deploying the PIC24F04KL101-E/P.

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PIC24F04KL101-E/SO - 16-bit 32MHz 4KB Flash MCU | Microchip
PIC24F04KL101-E/SO

PIC24F04KL101-E/SO - 16-bit 32MHz 4KB Flash MCU | Microchip

The Microchip PIC24F04KL101-E/SO is a 16-bit microcontroller from the PIC® XLP™ 24F family, featuring 32 MHz (16 MIPS) performance, 4 KB Flash program memory, 512 bytes RAM, and a 20-pin SOIC package. It combines a 16-bit PIC24F core with PIC18-compatible peripherals such as MSSP (I²C/SPI) and CCP, easing migration from 8-bit designs while delivering higher throughput and nanoWatt XLP extreme-low-power operation. A microcontroller (MCU) is an integrated circuit that combines a CPU, non-volatile program memory, volatile working RAM, and programmable peripherals on a single die. Within the product hierarchy, the PIC24F04KL101 sits inside the 16-bit MCU segment, which itself is a sub-family of microcontrollers that in turn belong to the broader category of embedded processors / microcomputer ICs. XLP (eXtreme Low Power) variants such as this part add nanoWatt sleep modes, deep sleep with RAM retention, and ultra-low run currents, making them well-suited for battery- and energy-harvesting applications where PIC24F architecture provides more headroom than 8-bit PIC18 cores. Key features include 3V to 3.6V single-supply operation (1.8V minimum on some variants), nanoWatt XLP sleep currents in the order of tens of nanoamperes, an internal 8 MHz oscillator with PLL, 12-bit ADC, multiple timers, MSSP, CCP, and up to 15 I/O pins in the 20-SOIC package. The device is specified for -40 °C to +125 °C extended industrial temperature range, supporting robust deployment in harsh environments. Architecture is a 16-bit modified-Harvard PIC24F core with a 16-element working register array, hardware multiply/divide, a flexible interrupt controller, and peripheral pin select (PPS) on select variants. This design philosophy delivers deterministic real-time response with simple C-language development via MPLAB XC16 and the free MPLAB X IDE. Typical applications include cost-sensitive consumer electronics, low-power IoT sensor nodes, battery-powered instrumentation, industrial control front-ends, and white goods. It also fits well as a 16-bit replacement where 8-bit PIC18 silicon has been used, since the same MSSP/CCP peripherals are retained. When designing with the PIC24F04KL101-E/SO, observe the 1.8 V to 3.6 V supply rail carefully — operation outside this range can damage the device — and follow Microchip's recommended decoupling and ICSP™ programming guidelines.

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PIC24F04KL101-I/MQ - 16-bit 32MHz 4KB Flash MCU | Microchip
PIC24F04KL101-I/MQ

PIC24F04KL101-I/MQ - 16-bit 32MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC24F04KL101-I/MQ is a 16-bit PIC microcontroller from the PIC® XLP™ 24F family featuring nanoWatt eXtreme Low Power technology, 4KB (1.375K x 24) of Flash program memory, 512 bytes of SRAM, and a 32 MHz (16 MIPS) CPU core, housed in a 20-pin VQFN (5x5 mm) package. It integrates a 12-bit ADC, multiple communication peripherals (I2C/SPI/UART), and dedicated peripherals migrated from the PIC18 platform (MSSP and CCP) to ease migration from 8-bit designs. A 16-bit microcontroller (MCU) is a programmable processor that uses a 16-bit data path and instruction set, offering higher computational throughput, larger linear addressing, and richer peripherals than 8-bit MCUs while remaining more power-efficient and easier to use than 32-bit Cortex-M parts. Within the semiconductor hierarchy, 16-bit MCUs sit between 8-bit microcontrollers and 32-bit ARM Cortex-M0/M4 devices and are commonly used in cost-sensitive embedded control applications. The PIC24F family in particular targets low-power, low-cost general-purpose designs. Key features of this part include 4KB self-programmable Flash with ECC, 512 bytes SRAM, 256 bytes of EEPROM-like data Flash, 32 kHz to 32 MHz operation with internal 8 MHz and 32 kHz oscillators, a 9-channel 12-bit ADC with automated channel scan, two analog comparators, an 8-bit parallel master port on selected variants, and nanoWatt XLP sleep currents as low as 20 nA in deep sleep. The MSSP supports both I2C (including SMBus) and SPI master/slave modes, and the CCP/ECCP module supports PWM, capture, and compare. The architecture uses a modified Harvard bus with separate program and data paths, a 16-bit-wide datapath, and a 24-bit instruction set, which keeps code density high while allowing C-compiler-friendly operation. The wide operating voltage (1.8 V to 3.6 V) and ultra-low sleep currents make it well suited for battery-powered systems with intermittent wake-up duty cycles. The part is supported by MPLAB X IDE, MPLAB Code Configurator (MCC), and the XC16 compiler toolchain. Typical applications include low-cost sensor nodes, portable medical devices, IoT end-point nodes, battery-powered remote controls, home automation peripherals, LED lighting controllers, and small appliance user interfaces. The combination of low power, modest Flash, and migrated PIC18 peripherals lets designers replace older 8-bit PIC designs with a 16-bit upgrade without rewriting most peripheral drivers. When designing with this device, keep the supply within 1.8 V to 3.6 V and place a 100 nF decoupling capacitor close to VDD. Unused I/O should be configured as outputs and tied low to minimize current draw in sleep modes; the nW XLP sleep currents assume properly terminated I/O. Programming is via ICSP using PGEDx/PGECx pins reserved for debugging. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PIC24F family, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and BOM risk mitigation.

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PIC24F04KL101-I/P - 16-Bit 32MHz 4KB Flash MCU | Microchip
PIC24F04KL101-I/P

PIC24F04KL101-I/P - 16-Bit 32MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC24F04KL101-I/P is a 16-bit PIC® XLP™ flash microcontroller running at 32 MHz (16 MIPS) with 4 KB of program Flash and 512 bytes of RAM, packaged in a 20-pin PDIP (I/P) through-hole form factor. Designed for ultra-low-power (nanoWatt XLP) operation, it integrates peripherals inherited from the PIC18 lineage — including an MSSP that supports both I²C and SPI, plus a CCP/ECCP module — to simplify migration from 8-bit designs into 16-bit performance. The “-I” suffix confirms the industrial temperature range of -40°C to +85°C, suitable for non-automotive commercial and industrial embedded applications. A 16-bit microcontroller (MCU) is a programmable processor core with an internal data bus twice the width of a classical 8-bit MCU, delivering higher throughput, larger addressable memory, and more capable arithmetic for sensor-fusion, control, and communication tasks. Within the broader semiconductor hierarchy, the PIC24F04KL101 belongs to the microcontroller category, itself a subfamily of microprocessors and digital logic ICs. The “PIC® XLP™” family label is Microchip’s branding for nanoWatt eXtreme Low Power technology, combining aggressive sleep currents, multiple idle modes, and peripheral activity gating to minimize energy in battery-powered designs. Key features include 4 KB Flash with self-programmability, 512 bytes SRAM, configurable 31 kHz internal low-power RC oscillator, and an internal 8 MHz / 32 MHz oscillator block that drives the 32 MHz core. The 20-pin DIP package offers breadboard-friendly accessibility for prototyping and education. Integrated peripherals cover a 10-bit ADC, multiple timers, MSSP (I²C/SPI), CCP/ECCP for PWM, comparators, and up to 15 general-purpose I/O pins. RTCC, deep sleep, and ULP wake sources support battery-backed IoT endpoints. Typical applications include consumer white goods, low-cost sensor interfaces, portable health and wellness accessories, intelligent thermostats, general-purpose remote controls, and 16-bit migration paths from legacy PIC18 designs. Designers typically choose this MCU when cost dominates and 8 KB or more of Flash is unnecessary. Operate from 1.8 V to 3.6 V; use a 10 µF + 0.1 µF decoupling network near VDD/AVDD/VSS/AVSS to meet the ADC and POR specifications listed in the manufacturer datasheet. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that complement, but do not substitute for, the official datasheet.

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PIC24F04KL101-I/SO - 16-bit XLP MCU, 4KB Flash, 32MHz | Microchip
PIC24F04KL101-I/SO

PIC24F04KL101-I/SO - 16-bit XLP MCU, 4KB Flash, 32MHz | Microchip

The Microchip Technology PIC24F04KL101-I/SO is a 16-bit RISC microcontroller from the PIC24F KL family with nanoWatt XLP eXtreme Low Power technology, 4KB Flash, 512B SRAM, and 32MHz/16 MIPS performance, housed in a 20-pin SOIC (W) wide-body package. Key features include 17 general-purpose I/O pins, a 14-channel 10-bit ADC, two 8-bit timers plus one 16-bit timer, an MSSP peripheral supporting I2C/SPI, a CCP module, and a 5-bit DAC. The device operates from 1.8V to 3.6V with active current typically under 2 mA at full MIPS and sleep currents in the microamp range via XLP modes. The PIC24F04KL101 uses a modified Harvard 16-bit architecture with single-cycle multiply and a 16-element register file, giving deterministic interrupt response suitable for cost-sensitive real-time control loops. The MSSP with both I2C (SMBus-compatible) and SPI modes lets designers migrate easily from PIC18 designs. Typical applications include low-power sensor nodes, battery-powered IoT endpoints, consumer white goods user-interface controllers, and cost-sensitive HVAC/lighting peripherals where nanoWatt XLP sleep current and small Flash are sufficient. Wide VDD and temperature tolerance also suit handheld medical and metering products. When designing with this MCU, ensure decoupling capacitors are placed within 5 mm of VDD/VSS and follow Microchip AN1299 for low-power mode transitions. The 20-pin SOIC (W) package is hand-solder friendly but limits I/O count versus 28/44-pin KL variants; confirm your pin budget before selecting this package. This page consolidates distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet. According to Microchip product page, the part is active and shipping today with -40C to +85C industrial temperature rating.

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PIC24F04KL101-I/SS - 16-bit 32MHz MCU 4KB Flash | Microchip
PIC24F04KL101-I/SS

PIC24F04KL101-I/SS - 16-bit 32MHz MCU 4KB Flash | Microchip

The Microchip Technology PIC24F04KL101-I/SS is a 16-bit RISC microcontroller from the PIC24F XLP family, integrating 4KB of Flash program memory, 512 bytes of SRAM, and 17 general-purpose I/O lines into a 20-pin SSOP package. It operates at up to 32 MHz (16 MIPS) from a 1.8V to 3.6V supply rail, with an industrial temperature range of -40C to +85C. The device is housed in an industry-standard 20-SSOP (5.30 mm body) and is supplied in Tube packaging per the /SS suffix. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one package. The PIC24F family uses a 16-bit modified Harvard architecture with a 24-bit instruction set that delivers deterministic throughput for real-time embedded control. Within the broader taxonomy, the PIC24F04KL101 sits in the 16-bit MCU tier, between 8-bit PIC18F and 32-bit PIC32MM/PIC32MX devices, and is designed for cost-sensitive 16-MIPS designs that benefit from nanoWatt XLP ultra-low-power technology. Key features include nanoWatt XLP sleep currents in the nanoampere range, a 10-bit ADC with multiple channels, one I2C/SPI MSSP peripheral, one Enhanced CCP, five general-purpose timers, and up to 17 digital I/O pins sharing pins with analog and peripheral functions. The device supports multiple low-power modes (Sleep, Idle, Doze) that allow the CPU, Flash, SRAM, and peripherals to be clocked independently for energy-sensitive battery and energy-harvested applications. The architecture implements a 16-bit data path with 24-bit instructions, single-cycle hardware multiply, and a deterministic interrupt controller. PIC18-compatible peripherals such as MSSP (I2C/SPI) and CCP simplify migration from older 8-bit designs while still doubling throughput at the same clock. On-chip debug is supported through the ICSP/ICD interface, allowing in-circuit programming and debugging with the MPLAB Snap, PICkit, or ICD tool families. Typical applications include low-cost consumer appliances, battery-powered sensor nodes, wearable accessories, remote controls, smart meters, low-end home-automation peripherals, IoT end-nodes, and any general-purpose embedded control where nanoWatt XLP battery life and 16-bit performance are required at PIC18 cost points. Design considerations for this part include ensuring the ICSP pins are not bonded out to application circuitry that would interfere with debugger access, and selecting the proper XLP mode (Sleep/Idle/Doze) for the application's duty cycle.

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PIC24F04KL101T-I/MQ - 16-bit 32MHz MCU 4KB Flash 20-VQFN | Microchip
PIC24F04KL101T-I/MQ

PIC24F04KL101T-I/MQ - 16-bit 32MHz MCU 4KB Flash 20-VQFN | Microchip

The Microchip Technology PIC24F04KL101T-I/MQ is a 16-bit microcontroller from the PIC® XLP™ 24F family, delivering 32 MHz (16 MIPS) CPU performance with 4 KB Flash program memory (1.375K x 24 words), 512 B SRAM, and 18 general-purpose I/O pins in a 20-pin VQFN (5x5 mm) package with exposed pad. The part is specified for the industrial -40C to +85C temperature range and operates from 1.8 V to 3.6 V, drawing under 350 µA/MHz in Run mode at 1.8 V. A 16-bit MCU (microcontroller unit) is a single-chip computer integrating a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and programmable peripheral interfaces. PIC24F devices sit in the low-power XLP tier of Microchip's 16-bit portfolio, between the 8-bit PIC10/12/16/18 families and the higher-performance dsPIC33/PIC32 lines. They target cost-sensitive, battery-friendly applications that still need 16-bit arithmetic, multiple communication peripherals, and nanoWatt XLP sleep currents for energy harvesting or always-on designs. Key features of the PIC24F04KL101 include a 10-bit ADC with acquisition channels multiplexed onto device pins, a Master Synchronous Serial Port (MSSP) configurable for I²C or SPI, a Capture/Compare/PWM (CCP) module, and Microchip's nanoWatt XLP™ technology that provides deep-sleep currents in the nA range. The 20-VQFN (MQ) package is a 5x5 mm thermally-enhanced QFN, well-suited to compact handheld, sensor-node, and IoT board layouts where height is constrained. Architecture-wise, the PIC24F core is a modified Harvard 16-bit CPU with single-cycle 16x16 MAC support, which is unusual at this price tier and enables basic DSP-style signal processing. The device shares many peripheral register layouts with the PIC18 family for migration ease, as noted in the Microchip product brief. Typical applications include low-power IoT sensor nodes, wearable health and fitness devices, remote controls, low-cost data loggers, battery-powered instrumentation, and consumer appliances requiring USB-free 16-bit control with strong standby current performance. When designing with the PIC24F04KL101, ensure decoupling capacitors are placed close to VDD/VSS, route the exposed pad to a continuous ground copper pour for thermal dissipation, and verify that the chosen MSSP mode (I²C vs SPI) matches the external slave device's timing requirements. This page synthesizes distributor pricing, drop-in alternatives from Microchip's PIC24F04KL family, and practical PCB/design guidance not consolidated in the manufacturer datasheet.

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PIC24F08KA101-E/P - 16-bit 8KB Flash MCU, 20-Pin DIP | Microchip
PIC24F08KA101-E/P

PIC24F08KA101-E/P - 16-bit 8KB Flash MCU, 20-Pin DIP | Microchip

The Microchip PIC24F08KA101-E/P is a 16-bit Flash microcontroller from the PIC24F XLP family featuring 8 KB of program Flash memory, 1.5 KB of SRAM, and 512 bytes of EEPROM, housed in a 20-pin PDIP (DIP-20) through-hole package. The -E suffix designates the extended industrial temperature grade of -40C to +125C, while the /P package code identifies the plastic DIP-20 form factor with 0.300 inch (7.62 mm) row spacing. What is a 16-bit Flash MCU? A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable peripherals. A 16-bit Flash MCU uses a 16-bit data path, which doubles the arithmetic throughput of 8-bit MCUs at the same clock rate, while in-system programmable Flash memory eliminates the need for an external ROM. The PIC24F architecture belongs to the modified Harvard family and is widely used where higher computational performance than PIC16/PIC18 is required without migrating to a 32-bit core. The PIC24F08KA101-E/P integrates the nanoWatt XLP (eXtreme Low Power) technology platform, including Deep Sleep mode with DSBOR (Deep Sleep Brown-Out Reset), DSWDT (Deep Sleep Watchdog Timer) and RTCC (Real-Time Clock Calendar) that continue to operate in Deep Sleep, achieving typical currents below 1 uA in retention. The device runs at up to 32 MHz (16 MIPS) from an internal oscillator, has 18 general-purpose I/O pins, and includes a 10-bit 500 ksps ADC, comparators, timers, and multiple serial interfaces (UART, SPI, I2C). The architecture uses a 3-stage pipeline with a hardware multiplier, providing deterministic interrupt response and single-cycle 16x16 MAC operations. The integrated voltage regulator accepts 1.8V to 3.6V supply and supports on-chip FVR (Fixed Voltage Reference) for ADC and comparator channels. Fail-safe clock monitoring and configurable oscillator startup extend reliability in noisy or battery-disconnected environments. Typical applications include battery-powered sensor nodes, portable medical instruments, low-power wireless remote controls, energy-harvesting edge devices, and consumer products where sleep current dominates battery life. The DIP-20 package is also favored for through-hole prototype boards, educational labs, and easy field-replacement designs. Designers should pay attention to the difference between -E (extended) and -I (industrial) temperature grades: -E is preferred for outdoor, automotive-cabin, or industrial installations that experience sustained temperatures above 85C. Always route AVDD/AVSS separately and place decoupling capacitors within 3 mm of each power pin. This page consolidates distributor pricing, parametric drop-in alternatives, and field-tested design guidance that is not contained in the standalone Microchip datasheet, providing an engineering decision-ready view of the part.

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PIC24F08KA101-E/SO - 8KB Flash 16-Bit XLP MCU | Microchip
PIC24F08KA101-E/SO

PIC24F08KA101-E/SO - 8KB Flash 16-Bit XLP MCU | Microchip

The Microchip Technology PIC24F08KA101-E/SO is a 16-bit Flash microcontroller from the PIC24F nanoWatt XLP family, featuring 8 KB Flash program memory (2.75K x 24), 1.5 KB SRAM, and 512 B EEPROM, housed in a 20-pin SOIC (7.50 mm / 0.295 inch width) package. It executes instructions at up to 16 MIPS from a 32 MHz internal oscillator and operates across a 1.8 V to 3.6 V supply range, providing 18 general-purpose I/O pins. A 16-bit MCU is a microcontroller built around a 16-bit data path, register file and ALU - intermediate between 8-bit MCUs (limited math and address space) and 32-bit Cortex-M devices (richer peripherals and code density). The PIC24F architecture fits the power-constrained, mixed-signal, sensor-interface tier where 8-bit performance is insufficient but 32-bit cost and current draw are overkill. Within the broader semiconductor taxonomy: microcontroller -> embedded processor -> integrated circuit. Key features include Microchip's nanoWatt eXtreme Low Power (XLP) technology with deep-sleep modes (DSBOR, DSWDT), a Real-Time Clock/Calendar (RTCC), 10-bit ADC, multiple serial interfaces, and ultra-low sleep current for battery-powered designs. The integrated 32 MHz oscillator eliminates an external crystal, simplifying BOM and shrinking PCB area. The PIC24F08KA101 uses a modified Harvard architecture with a 16-bit instruction word, dedicated peripherals mapped through Peripheral Pin Select (PPS) for flexible pin mapping, and configurable power management that lets active and sleep current be tuned by application. XLP technology drops quiescent current into the sub-microamp range in deep sleep, enabling multi-year battery life in always-on applications. Typical applications include portable medical and fitness devices, remote sensors, IoT edge nodes, smart metering, electronic shelf labels, battery-backed security peripherals, and consumer handheld products. The wide operating voltage range suits single-cell Li-ion (2.5 V/3.3 V rails) and dual-cell alkaline designs. When designing with the PIC24F08KA101-E/SO, take advantage of the on-chip 32 MHz oscillator and PPS to minimize external components; for sleep-current-critical applications, route unused pins properly and use the deep-sleep wake sources (RTCC, WDT, external interrupt) instead of polling loops. This page synthesizes distributor pricing, drop-in SOIC-20 alternatives, and practical low-power design notes not consolidated on any single distributor or manufacturer page.

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PIC24F08KA101-I/P - 16-bit XLP MCU, 8KB Flash, 32MHz | Microchip
PIC24F08KA101-I/P

PIC24F08KA101-I/P - 16-bit XLP MCU, 8KB Flash, 32MHz | Microchip

The Microchip PIC24F08KA101-I/P is a 16-bit PIC24F microcontroller featuring eXtreme Low Power (XLP) technology, 8KB of Flash program memory, 1KB SRAM and 512B EEPROM, executing up to 16 MIPS at 32 MHz, and housed in a 20-pin PDIP package rated for the industrial temperature range. Its 3.0V-3.6V core supply, on-chip 1.8V regulator, and deep-sleep modes (DSBOR, DSWDT, RTCC) position it as a primary candidate for battery-powered and energy-harvesting designs. A microcontroller (MCU) is a single-chip processor that integrates a CPU core, volatile memory (SRAM), non-volatile program memory (Flash/ROM), peripherals (timers, ADC, communication), and interrupt logic. The PIC24F family sits in Microchip's 16-bit modified-Harvard RISC line, which is hierarchically a mid-range 16-bit MCU -> Flash MCU -> embedded controller -> semiconductor. The 'XLP' designation indicates the silicon is optimized for nanoWatt sleep current, allowing years of operation from a single coin cell. Key specifications include 16-channel 10-bit ADC with 500 ksps throughput, four 16-bit timers, two comparators, real-time clock/calendar, five PWM channels, two UART, one SPI, one I2C, and an internal 8 MHz RC oscillator with PLL. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), enabling field-upgradeable firmware and reduced development time. According to the Microchip datasheet, deep-sleep current is approximately 20 nA with full RAM retention, making it competitive with the lowest-power Cortex-M0+ parts. Typical applications include wearable health monitors, remote sensor nodes, electronic shelf labels, smart thermostats, wireless sensor tag controllers, and battery-backed instrumentation. The 20-pin PDIP footprint supports through-hole prototyping, breadboarding, and legacy industrial designs where socketed or hand-replaceable parts are preferred over SMT-only parts. When designing, allocate a 0.1uF decoupling capacitor within 5 mm of the VDD pin and a 10uF bulk capacitor on the VCORE pin to stabilize the internal 1.8V regulator. The -I/P suffix indicates industrial temperature range (-40C to +85C) in a PDIP package; choose -E/P for extended (-40C to +125C) or the -I/SO SOIC variant for SMT. This page consolidates Microchip datasheet specifications, distributor pricing as of 2026-09-29, drop-in alternative guidance, and design notes not found on the manufacturer product page - useful context for sourcing engineers and firmware developers who need a complete picture of the part's role in low-power embedded designs.

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PIC24F08KA101-I/SO - 16-bit 32MHz XLP MCU 8KB Flash | Microchip
PIC24F08KA101-I/SO

PIC24F08KA101-I/SO - 16-bit 32MHz XLP MCU 8KB Flash | Microchip

The Microchip PIC24F08KA101-I/SO is a 16-bit PIC® XLP™ microcontroller featuring 8KB Flash, 1KB SRAM, and 512B EEPROM, operating at up to 32MHz (16 MIPS) in a 20-pin SOIC package. It is engineered around Microchip's nanoWatt XLP™ eXtreme Low Power technology and targets power-constrained and battery-powered applications. A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, EEPROM, and peripherals on one die. PIC24F devices use Microchip's modified Harvard RISC architecture with a 16-bit data path, 24-bit instruction word, and rich interrupt controller, occupying the mid-tier position between 8-bit PIC® MCUs and 32-bit ARM Cortex-M parts. They sit within the broader hierarchy of microcontroller -> embedded controller -> semiconductor, and are commonly deployed where deterministic real-time response, low power, and a small footprint are required. Key features include 16 MIPS performance at 32MHz, 16-bit wide instructions, deep sleep peripherals (DSBOR, DSWDT, RTCC) that keep selected functions alive while the CPU sleeps, multiple low-power modes (idle, sleep, deep sleep), 17 I/O pins, a 10-bit ADC up to 300 ksps, two analog comparators, and serial interfaces including UART, SPI, and I²C. The CTMU peripheral supports capacitive touch sensing without an external IC. Operating voltage is 1.8V-3.6V with active current of about 250 µA/MIPS and deep sleep current under 20 nA typical. The PIC24F08KA101 integrates an internal 8MHz RC oscillator with PLL, configurable oscillator modes, and peripheral pin select (PPS) for flexible signal routing. Its watchdog timer with on-chip low-power RC, brown-out reset, and 16-bit timers make it well suited to industrial-grade designs. The 20-SOIC package offers a wide operating temperature range of -40°C to +85°C (industrial) suitable for harsh-environment deployment. Typical applications include battery-powered sensor nodes, wearable health monitors, IoT edge devices, remote controls, low-power wireless sensor transmitters, HVAC thermostats, smoke detectors, and portable consumer electronics. The wide supply range and nanoWatt XLP sleep modes deliver years of operation from a single coin cell. When designing with this MCU, allocate adequate decoupling (100 nF + 1 µF ceramic) near VDD, place the ICSP™ programming header close to PGC/PGD pins, and verify that any unused I/O pins are configured as outputs low to minimize current draw. For noise-sensitive analog designs, place analog and digital grounds on a split plane tied at a single point. This page synthesizes distributor pricing, drop-in alternatives, comparison data and practical design notes not found in the manufacturer datasheet alone.

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PIC24F08KA101-I/SS - 16-Bit 32MHz 8KB Flash XLP MCU | Microchip
PIC24F08KA101-I/SS

PIC24F08KA101-I/SS - 16-Bit 32MHz 8KB Flash XLP MCU | Microchip

The Microchip Technology PIC24F08KA101-I/SS is a 16-bit microcontroller from the PIC XLP 24F family, featuring 8KB (2.75K x 24) of Flash program memory, 1KB of RAM, and 512B of EEPROM. It operates at up to 32MHz (16 MIPS) and is housed in a 20-pin SSOP package. The device integrates eXtreme Low Power (XLP) technology with deep-sleep peripherals (DSBOR, DSWDT, RTCC) for battery-powered applications. An MCU (microcontroller unit) is a single-chip computer containing a CPU core, program and data memory, and programmable peripherals. The PIC24F belongs to Microchip's 16-bit modified-Harvard architecture family, sitting above the 8-bit PIC18 and below the 32-bit PIC32 in Microchip's MCU hierarchy. Within power-management IC taxonomy, MCUs are distinct from linear regulators and DC-DC converters but frequently pair with them as host controllers for sensor nodes, motor drivers, and human-machine interfaces. The XLP variants extend battery life through sub-microamp deep-sleep currents that competitor MCUs cannot match without external RTC chips. Key features include 16 channels of 10-bit ADC, 4 timers, and communication peripherals (I2C, IrDA, SPI, UART/USART). The device operates from 1.8V to 3.6V across an industrial temperature range of -40C to +85C, supporting brown-out detect/reset and power-on reset for robust operation in noisy environments. The PIC24F08KA101 uses a 16-bit modified-Harvard architecture with a 24-bit instruction word, providing 16 MIPS throughput at 32MHz. The integrated nanoWatt XLP technology enables run currents below 1 mA/MIPS and deep-sleep currents in the nanoamp range, with RTCC, DSBOR, and DSWDT operating even in deep sleep to maintain real-time functionality. Typical applications include battery-powered sensor nodes, IoT edge devices, portable medical instruments, and remote controls. Its wide operating voltage and low power consumption also suit industrial 4-20 mA loop-powered transmitters and wearables. When designing with this part, ensure the 20-pin SSOP footprint matches the SSOP land pattern on the PCB. Provide a 0.1 uF decoupling capacitor within 5 mm of each VDD pin, and place the bulk capacitor near the voltage regulator output to handle transient loads during deep-sleep wake events. This page synthesizes distributor pricing, verified drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing procurement and engineering teams a one-stop decision resource for the PIC24F08KA101-I/SS.

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