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PIC24FJ128GL302T-I/MV - 16-bit MCU, 128KB Flash, LCD, XLP, 28-UQFN | Microchip
PIC24FJ128GL302T-I/MV

PIC24FJ128GL302T-I/MV - 16-bit MCU, 128KB Flash, LCD, XLP, 28-UQFN | Microchip

The Microchip Technology PIC24FJ128GL302T-I/MV is a 16-bit PIC24F microcontroller running up to 32 MHz (16 MIPS) with 128 KB ECC Flash and 8 KB SRAM in a 28-pin UQFN (MV) 4x4 mm package with exposed pad. It belongs to the PIC24FJ 'GL' low-power family that combines Core Independent Peripherals (CIPs) with an integrated segmented LCD driver capable of up to 256 segments (8 commons x 32 segments), autonomous LCD animation, and an on-chip charge pump for contrast management in battery-powered applications. A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit data path, integrating a CPU core, program Flash, data RAM, peripherals, and I/O. In the semiconductor taxonomy, the part sits under microcontroller -> 16-bit MCU -> PIC24F family -> low-power LCD MCU. Microchip's 'PIC24F' designation specifically denotes 16-bit Harvard architecture parts with rich analog and LCD peripherals, while the 'J' suffix indicates the ultra-low-power (XLP) process technology. Key features include eXtreme Low Power (XLP) sleep currents down to a few hundred nanoamps with full RAM and core-independent peripheral retention, dual I2C with alternate pin mapping (ALTI2C1), dual SPI, up to four UARTs, 12-bit ADC, multiple timers, and a real-time clock calendar (RTCC). The integrated LCD charge pump drives segments from a low-voltage source, eliminating the need for a boosted external rail in low-battery scenarios. Typical applications include battery-powered IoT sensor nodes with glass-segment LCD readouts, home-automation thermostats, e-paper/segmented display handheld instruments, low-cost medical monitors, and metering/HMI panels. The combination of low-power sleep, autonomous LCD animation (no CPU wake), and integrated peripherals lets engineers remove external display controllers and most analog glue. When designing with this part, plan GPIO mapping carefully because the 28-pin UQFN package is pin-constrained: confirm ADC, I2C, and LCD segment overlap early in the schematic. The on-chip charge pump requires external flying capacitors on dedicated pins - leave them on the PCB even if LCD contrast is later driven by VDD only. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design considerations not consolidated on any single manufacturer or distributor page.

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PIC24FJ128GL302T-I/SO - 128KB Flash LCD MCU 28-SOIC | Microchip
PIC24FJ128GL302T-I/SO

PIC24FJ128GL302T-I/SO - 128KB Flash LCD MCU 28-SOIC | Microchip

The Microchip Technology PIC24FJ128GL302T-I/SO is a 16-bit PIC24F eXtreme Low Power (XLP) microcontroller with 128KB ECC Flash and 8KB RAM, integrated segmented LCD controller, and 21 general-purpose I/O pins in a 28-pin SOIC package. The device operates from 2.0V to 3.6V and runs at up to 32MHz (16 MIPS), combining low active power consumption with a sleep current in the few-hundreds-of-nA range that retains the complete RAM state. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program/data memory, peripherals, and I/O on one die. The PIC24FJ 'GL' family belongs to the 16-bit PIC24F tier of the broader PIC microcontrollers hierarchy (8-bit PIC10/12/16 -> 16-bit PIC24 -> 32-bit PIC32), and the 'GL' sub-family adds an on-chip segmented LCD driver with up to 256 segments (8 commons x 32 segments) and an integrated charge pump for contrast control directly off a battery. Key features of this part include 128KB (128K x 8) ECC Flash, 8KB SRAM, hardware multipliers for DSP-style operations, two I2C and two SPI peripherals plus four UART modules, a 12-bit A/D converter with up to 9 channels, and a Core Independent Peripheral (CIP) set that lets the LCD run autonomously while the CPU stays in deep sleep. The integrated charge pump removes the need for an external LCD bias voltage, which is critical in battery-powered metering and wearable designs. Typical applications span water/gas/heat meters, e-paper/e-ink badges, white-goods human-machine interfaces, sensor display nodes, medical dosing indicators, and any ultra-low-power IoT product that must wake the CPU only on a real event thanks to the family’s CIP combination. The SOIC-28 (300-mil) form factor also supports easy hand-rework and breadboarding in prototype runs. Designers should budget for the SOIC-28 package’s exposed-pad-less thermal envelope, plan VDD decoupling with a 100 nF + 1 µF pair within 2 mm of the pins, and verify that the LCD pinout mapping matches the chosen glass by checking the device’s pin alternate-function table. Where the same firmware binary is reused across the family, consider the PIC24FJ128GL302T-I/SS (SSOP-28) or PIC24FJ128GL302T-I/ML (QFN-28) variants for different PCB density targets. This page synthesizes distributor pricing, drop-in alternatives within the same 28-SOIC footprint, and practical design notes not found in the manufacturer datasheet alone, helping buyers evaluate cost, lead time, and second-source risk in a single view.

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PIC24FJ128GL302T-I/SS - 16-bit 32MHz MCU 128KB Flash LCD | Microchip
PIC24FJ128GL302T-I/SS

PIC24FJ128GL302T-I/SS - 16-bit 32MHz MCU 128KB Flash LCD | Microchip

The Microchip Technology PIC24FJ128GL302T-I/SS is a 16-bit RISC microcontroller from the PIC24F 'GL' family, featuring a PIC24 CPU core running up to 32MHz (16 MIPS), 128KB of ECC Flash program memory, and 8KB of RAM in a 28-pin SSOP package. The device integrates a segmented LCD driver, multiple Core Independent Peripherals (CIPs), and 9 channels of 12-bit Analog-to-Digital Conversion alongside 10-bit capability, making it suitable for low-power human-machine interface applications. A 16-bit microcontroller (MCU) is an embedded computing device that processes instructions and data on a 16-bit-wide data path, providing a balanced trade-off between 8-bit simplicity and 32-bit performance. Within the broader taxonomy, the PIC24FJ belongs to the 16-bit MCU category, sits under the Flash microcontroller umbrella, and is part of the Microchip PIC24F sub-family optimized for ultra-low-power (XLP) operation. Compared to 8-bit PIC MCUs, the PIC24F doubles register width, doubles program-memory efficiency (16-bit instruction word), and adds DSP-aware instructions while retaining the deterministic interrupt model Microchip is known for. Key features include sleep current measured in only a few hundred nanoamps while retaining complete RAM and register state, integrated segmented LCD driver with charge pump support, multiple communication interfaces (2x I2C, 2x SPI, 4x UART), and 6 Direct Memory Access (DMA) channels. The device also supports up to 16 channels of 12-bit ADC, two analog comparators, and a real-time clock/calendar with RTCC retention down to VBAT mode. These CIPs allow deterministic peripheral operation without CPU intervention, reducing active-mode power and freeing the CPU for application code. The 'GL' family is fabricated on an ultra-low-power process and pairs a 16-bit modified Harvard architecture with on-chip voltage regulation, deep-sleep modes, and a peripheral trigger system. Code is executed from Flash via a 3-stage pipeline with single-cycle instruction fetch, and the device supports in-circuit serial programming (ICSP) plus live update of peripheral configuration. Typical applications include battery-powered metering with LCD readout, medical glucose and patient monitors, low-cost IoT sensor nodes with displays, e-paper price tags, and industrial HMI panels. The integrated segmented LCD controller and nanoamp-level sleep currents are the primary differentiators versus general-purpose PIC24F parts. When designing with this part, choose SSOP for moderate-density boards and route the segmented LCD pins directly to the glass with proper bias resistors. Use the XLP deep-sleep modes aggressively for battery-life optimization, and verify VBAT retention current from the manufacturer datasheet before committing to coin-cell power. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ128GL303-I/M5 - 16-bit 128KB Flash XLP MCU w/ LCD | Microchip
PIC24FJ128GL303-I/M5

PIC24FJ128GL303-I/M5 - 16-bit 128KB Flash XLP MCU w/ LCD | Microchip

The Microchip Technology PIC24FJ128GL303-I/M5 is a 16-bit eXtreme Low-Power microcontroller with 128KB Flash, 8KB RAM, integrated segmented LCD controller and Core Independent Peripherals (CIPs), housed in a 36-pin UQFN (5x5 mm) package. The PIC24FJ 'GL' family is a class of 16-bit microcontrollers (MCU) that belong to the broader microcontroller and embedded-system hierarchy. Within Microchip's portfolio, the PIC24F family sits below the dsPIC33 and PIC32 families in computational power, while eXtreme Low-Power (XLP) technology targets battery-operated applications with sleep currents down to a few hundred nanoamperes. The 'GL' sub-family specifically integrates a segmented LCD driver, eliminating the need for an external LCD controller chip. Key features of the PIC24FJ128GL303 include a 32 MHz CPU speed delivering 16 MIPS performance, 128KB ECC Flash program memory, 8KB RAM, 4KB EEPROM emulation, and a hardware segmented LCD controller supporting up to 256 segments (8 commons × 32 segments) with an integrated charge pump for contrast management. Core Independent Peripherals such as the Configurable Logic Cell (CLC), Multiple Output Capture/Compare/PWM (MCCP/SCCP), and 16-bit ADC run autonomously without CPU intervention, freeing the core for higher-level tasks. Sleep current is specified in the hundreds of nanoamperes with full SRAM retention. Technically, the device operates from 2.0V to 3.6V, supports 5V-tolerant digital inputs, integrates a USB 2.0 Full-Speed device/peripheral/host-less stack via the internal USB module variant, and provides up to 35 programmable I/O pins. A hardware Crypto engine (AES-256) and Dual Partition Flash with live update support enable secure firmware-over-the-air (FOTA) flows. The 36-UQFN package (5x5 mm) is the smallest footprint option in this family. Typical applications include battery-powered consumer appliances with segmented LCDs (thermostats, water/gas meters, e-bike dashboards), industrial IoT sensor nodes, electronic shelf labels (ESL), wearable health monitors, and small home appliances. The combination of LCD controller + XLP + CIPs replaces discrete LCD driver ICs and reduces BOM cost. Designers should evaluate the LCD pin map against their display requirements (the 36-UQFN variant supports up to 256 segments). For longer battery life, use Deep Sleep mode with RTCC and select DCDC mode for the core voltage regulator. Decoupling requires a 1uF bulk + 100nF ceramic pair close to VDD/AVDD. This page synthesizes distributor pricing, drop-in PIC24F alternatives, and practical low-power design notes not found in the manufacturer datasheet alone.

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PIC24FJ128GL303T-I/M5 - 16-bit 32MHz 128KB LCD MCU | Microchip
PIC24FJ128GL303T-I/M5

PIC24FJ128GL303T-I/M5 - 16-bit 32MHz 128KB LCD MCU | Microchip

The Microchip Technology PIC24FJ128GL303T-I/M5 is a 16-bit microcontroller from the PIC24F "GL" eXtreme Low Power (XLP) family, integrating 128KB of ECC Flash program memory, 8KB RAM, a segmented LCD controller supporting up to 256 segments (8 commons x 32 segments), and a peripheral set tailored for ultra-low-power human-machine interface designs. It runs at up to 32MHz (16 MIPS) on the 16-bit PIC24 CPU core and is housed in a 36-pin UQFN (5x5 mm) package. The "T" suffix denotes Tape and Reel packaging, and the "I" suffix denotes the industrial -40C to +85C operating temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals including timers, communication interfaces, and analog blocks. The PIC24FJ "GL" sub-family extends Microchip's eXtreme Low Power lineage with Core Independent Peripherals (CIPs) and dedicated segmented LCD driver logic, eliminating the CPU from animation and contrast-management tasks so the device can remain in deep sleep for years on a single battery cell. Key features include a charge pump for contrast management across VDD down to battery-low conditions, an asynchronous segmented LCD controller capable of alternating dual display, blinking and blanking animations without CPU intervention, deep sleep current measured in hundreds of nA with full RAM retention, 5V-tolerant I/O on most pins, and a JTAG/ICD debugging interface. The 36-pin UQFN footprint provides a compact 5x5 mm PCB area suitable for handheld and wearable product designs. Architecturally, the PIC24FJ GL family uses a 16-bit modified Harvard architecture with a 24-bit instruction word, providing deterministic interrupt latency and a CIP ecosystem that includes configurable logic cells, multiple PWM/SCCP/MCCP timers, 12-bit ADC, comparators, and the RTCC with calendar mode. The integrated LCD charge pump operates from a single supply, supporting low-battery operation without external boost components. Typical applications include battery-powered thermostats, portable medical monitors (glucometers, pulse oximeters), utility metering end-points with LCD readouts, e-bike and fitness wearables, white-goods user interfaces, and any product that requires a segmented LCD with multi-year battery life. The automotive-grade variant (AEC-Q100 qualified) addresses dashboard and instrument-cluster designs. When designing with this part, plan the PCB layout to keep the LCD segment traces short and isolated from switching nodes, since segment lines can act as antennas into the analog domain. The charge pump capacitor should be placed as close as possible to the VLCAP pins, and the external 32.768 kHz crystal footprint (SOSC) is required if the RTCC is used for timekeeping. This page synthesizes distributor pricing tiers, drop-in alternatives, application circuits, and PCB layout notes that are not consolidated in any single distributor or manufacturer resource, helping engineers evaluate the PIC24FJ128GL303T-I/M5 quickly for both new designs and supply-chain sourcing decisions.

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PIC24FJ128GL305-E/M4 - 16-bit MCU 32MHz 128KB LCD | Microchip
PIC24FJ128GL305-E/M4

PIC24FJ128GL305-E/M4 - 16-bit MCU 32MHz 128KB LCD | Microchip

The Microchip Technology PIC24FJ128GL305-E/M4 is a 16-bit microcontroller from the PIC24F 'GL' family, featuring a 32MHz MIPS core, 128KB ECC Flash program memory and 8KB RAM, packaged in a 48-pin UQFN (6x6 mm) with integrated segmented LCD controller and eXtreme Low Power (XLP) technology. A 16-bit microcontroller (MCU) is a programmable embedded processor that uses a 16-bit data path and instruction set to balance code density, computational throughput and power efficiency. Within the broader semiconductor taxonomy, the PIC24FJ128GL305 belongs to the microcontroller -> embedded MCU -> 16-bit MCU -> low-power MCU hierarchy, and is part of Microchip's PIC24F 'GL' sub-family that targets battery-powered human-machine interfaces (HMIs) with on-glass LCD segments. The 'GL' family extends core independent peripheral (CIP) automation to the segmented LCD driver, allowing alternating dual display, blinking and blanking animations to run without waking the CPU. Key features include a 16 MIPS core at 32MHz, 128KB Flash with Error Correction Code (ECC), 8KB SRAM, an integrated segmented LCD controller supporting up to 256 segments (8 commons x 32 segments), an on-chip LCD charge pump for contrast management in battery applications, multiple Core Independent Peripherals (CIPs) and an XLP sleep current in the order of hundreds of nA with full RAM and peripheral retention. The device also integrates a real-time clock and calendar (RTCC), multiple UART/SPI/I2C peripherals and a 12-bit ADC. Architecturally, the PIC24FJ128GL305 uses a modified Harvard architecture with a 16-bit data path and 24-bit instructions, providing deterministic interrupt latency and single-cycle hardware multiply. The 'GL' family adds hardware-based LCD waveform generation, an internal charge pump for V_LCD bias generation and autonomous display refresh, which offloads the CPU and keeps average current consumption low in always-on display applications. ECC on Flash provides single-bit error correction, improving reliability in industrial and medical environments. Typical applications include battery-powered IoT sensor nodes with LCD readouts, wearable health and fitness devices, medical glucose meters and infusion pumps, industrial HVAC controllers, e-meter / utility metering with on-glass displays, automotive aftermarket instrument clusters and home appliance user interfaces that require a segmented LCD, low standby current and long battery life. When designing with this part, prioritize selecting the correct temperature grade for your deployment. The -E suffix denotes the Extended (-40C to +125C) operating range; the -I industrial grade (-40C to +85C) is also available. Reserve budget for an external decoupling network on VDD/VBAT/AVDD pins and follow the datasheet LCD bias network recommendations to achieve specified segment contrast at low supply voltage. This page synthesizes distributor pricing, drop-in alternative candidates and practical design guidance that complement, but do not replace, the manufacturer datasheet.

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PIC24FJ128GL305-I/M4 - 16-bit 128KB LCD MCU | Microchip
PIC24FJ128GL305-I/M4

PIC24FJ128GL305-I/M4 - 16-bit 128KB LCD MCU | Microchip

The Microchip PIC24FJ128GL305-I/M4 is a 16-bit eXtreme Low-Power (XLP) microcontroller featuring 128KB ECC Flash and 8KB RAM in a 48-pin UQFN (6x6 mm) package. It operates up to 32 MHz / 16 MIPS, integrates a segmented LCD driver with up to 256 segments, and targets battery-powered human-machine interface (HMI) applications. A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, RAM, and a rich set of peripherals. The 16-bit PIC24F family sits between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts in Microchip's portfolio, offering higher code density than 8-bit cores while remaining lower-cost and simpler than 32-bit devices. The 'GL' sub-family adds Core Independent Peripherals (CIPs) such as CLC, MCCP, and 16-bit PWMs that operate without CPU intervention, enabling ultra-low-power designs with nanamp sleep currents while retaining full RAM and register state. Key specifications include 128KB ECC Flash, 8KB SRAM, hardware LCD controller supporting up to 256 segments, 39 digital I/O, 12-bit ADC with up to 13 channels, up to 6 UART/I2C/SPI peripherals, and a 2V to 3.6V single-supply range. CIPs include Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), 16-bit timers, and a real-time clock calendar (RTCC) with battery backup domain. Typical applications include battery-powered thermostats, fitness wearables, medical glucose meters, industrial sensor transmitters, electronic shelf labels, smart metering, and any HMI panel with a segmented LCD. The 'I' suffix denotes the industrial -40C to +85C temperature grade; 'M4' suffix denotes the 48-UQFN (6x6) package.

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PIC24FJ128GL305T-I/M4 - 16-bit 32MHz 128KB Flash LCD MCU | Microchip
PIC24FJ128GL305T-I/M4

PIC24FJ128GL305T-I/M4 - 16-bit 32MHz 128KB Flash LCD MCU | Microchip

The Microchip PIC24FJ128GL305T-I/M4 is a 16-bit PIC24F microcontroller with 128 KB ECC Flash, 8 KB RAM, and an integrated segmented LCD controller, housed in a 48-pin UQFN (M4) 6x6 mm package. It operates at up to 32 MHz (16 MIPS) and targets eXtreme Low Power (XLP) applications requiring sub-uA sleep currents and rich human-machine interfaces. What is a PIC24 microcontroller? The PIC24F family is Microchip's 16-bit modified-Harvard MCU architecture that sits between the 8-bit PIC16/PIC18 line and the 32-bit PIC32MX/dsPIC families. It supports higher peripheral integration (USB, segmented LCD, Core Independent Peripherals) while retaining a 3.3V native operating voltage and broad migration paths across the PIC24FJ sub-families (GB, GA, GL, DA, GC). The 'GL' sub-family specifically targets battery-powered products with on-chip segmented LCD driving and autonomous display animation. Key features of this part include the integrated segmented LCD driver supporting up to 256 segments (8 commons x 32 segments), an on-chip charge pump for contrast management in battery applications, and Core Independent Peripherals (CIPs) such as CLC, MCCP/SCCP, and a 32-bit CRC. The XLP design delivers sleep currents in the hundreds of nA range while retaining SRAM, real-time clock, and LCD state. Technically, the PIC24FJ128GL305T-I/M4 uses the 16-bit PIC24F core with hardware multiply/divide, a 7-channel DMA controller, and a peripheral pin select (PPS) subsystem that remaps digital peripherals to a wide choice of I/O. It supports 128 KB self-programmable Flash with ECC, 8 KB SRAM, and offers 39 programmable I/O. Communication peripherals include I2C, SPI, UART, and USB 2.0 Full-Speed. Typical applications are handheld battery instruments with LCD readouts (utility meters, weight scales, gas detectors), IoT edge nodes with displays, industrial HMIs, medical dosing pumps, and any portable product requiring a long shelf life plus a multi-segment user interface. When designing with this part, evaluate the UQFN-48 thermal pad solder-joint reliability under mechanical stress and confirm the UQFN assembly process supports the M4 footprint at your volume. Most M4 family variants also ship in TQFP-48 and QFN-48 variants for less demanding assembly lines. This page synthesizes distributor pricing from 9 sources, lists same-brand drop-in alternatives sharing the UQFN-48 (M4) footprint, and includes practical design notes not found in the manufacturer datasheet.

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PIC24FJ128GL306-E/MR - 16-bit XLP MCU, 128KB Flash, LCD | Microchip
PIC24FJ128GL306-E/MR

PIC24FJ128GL306-E/MR - 16-bit XLP MCU, 128KB Flash, LCD | Microchip

The Microchip Technology PIC24FJ128GL306-E/MR is a 16-bit eXtreme Low-Power (XLP) microcontroller from the PIC24FJ 'GL' family, featuring 128 KB ECC Flash, 8 KB RAM, an integrated segmented LCD controller, and a 64-pin QFN package (9x9 mm). It operates up to 32 MHz / 16 MIPS, includes a 17-channel 10-bit ADC alongside 12-bit ADC capability, and targets battery-powered and low-pin-count HMI applications with extended-temperature (-40C to +125C) operation. An XLP microcontroller is a class of low-power MCU designed to maintain nanoamp-level sleep currents while keeping core-independent peripherals (CIPs) active. MIX-in to the broader MCU taxonomy: microcontroller -> 16-bit MCU -> PIC24 family -> eXtreme Low-Power (XLP) sub-family -> with LCD driver. XLP parts are typically chosen for coin-cell, energy-harvesting, and portable HMI products where sleep-mode retention matters as much as active-mode throughput. The 'GL' suffix further adds an integrated segmented LCD driver and Core Independent Peripherals (CIPs) that animate LCD segments without waking the CPU. Key features include 128 KB ECC Flash for safety-critical firmware, 8 KB RAM, up to 32 MHz / 16 MIPS performance, 17-channel 10-bit ADC plus a 12-bit ADC, integrated segmented LCD controller with on-chip charge pump, multiple serial interfaces (UART, SPI, I2C), and 5V-tolerant I/O. Sleep current is specified down to a few hundred nA with full RAM retention and LCD operation, a key figure for battery-life estimation. Architecturally, the PIC24FJ128GL306 uses Microchip's 16-bit modified-Harvard CPU with a hardware multiplier and DSP engine, allowing efficient fixed-point signal processing for sensor conditioning and audio tone generation. ECC on Flash and RAM improves reliability in harsh environments, while the CIPs (CLC, MCCP/SCCP, RTCC, LCD with charge pump) enable autonomous operation independent of the core. Typical applications include battery-powered medical devices (glucometers, infusion pumps), industrial HMI panels with segmented LCD, smart thermostats, portable instrumentation, and IoT sensor nodes with local display. The integrated LCD controller eliminates an external driver, reducing BOM cost and PCB area. When designing with this MCU, allocate sufficient decoupling (100 nF + 1 uF) near each VDD pin and follow Microchip's QFN-64 land-pattern recommendations (0.4 mm pitch). The 9x9 mm QFN exposes a thermal pad that must be soldered to a continuous ground plane for mechanical and thermal integrity. Designers should also budget flash endurance (10K min erase cycles) for wear-leveling on EEPROM-emulation data. This page synthesizes distributor pricing, drop-in PIC24FJ family alternatives, and practical QFN-64 design notes not found in the manufacturer datasheet - a unique information-gain resource for engineers sourcing PIC24FJ128GL306-E/MR.

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PIC24FJ128GL306-E/PT - 16-bit XLP MCU 128KB Flash LCD 64-TQFP
PIC24FJ128GL306-E/PT

PIC24FJ128GL306-E/PT - 16-bit XLP MCU 128KB Flash LCD 64-TQFP

The Microchip Technology PIC24FJ128GL306-E/PT is a 16-bit eXtreme Low-Power (XLP) microcontroller with 128 KB ECC Flash, 8 KB RAM, and an integrated segmented LCD controller with up to 256 segments, housed in a 64-pin TQFP (PT) package rated for the extended -40C to +125C industrial temperature range. It combines a 16 MIPS modified Harvard architecture core, Core Independent Peripherals (CIPs), and a hardware charge pump for LCD contrast management, delivering sleep currents down to a few hundred nanoamperes while preserving register state and the live LCD display. An XLP microcontroller is a class of ultra-low-power MCU designed to operate for years on a single battery by combining multiple low-power modes (Sleep, Deep Sleep, Retention), nano-amp quiescent currents, and autonomous peripherals that keep functioning while the CPU is off. The PIC24FJ128GL306 belongs to the PIC24F family within Microchip's broader 16-bit microcontroller portfolio, which sits hierarchically above 8-bit PIC MCUs and below 32-bit ARM Cortex-M parts in terms of computational performance and code density. The 'GL' suffix denotes the addition of Core Independent Animation features that let the segmented LCD run blinking, alternating, and blanking patterns without any CPU intervention, which is critical for always-on user displays. Key features include 128 KB ECC Flash, 8 KB RAM, 4 KB EEPROM emulation, an integrated segmented LCD driver with on-chip charge pump, a 32 MHz internal oscillator (16 MIPS CPU throughput), multiple serial interfaces (UART, SPI, I2C), a 12-bit ADC, multiple timers, and the standard PIC24F CIP set including Configurable Logic Cells and numerically controlled oscillators. The hardware charge pump generates the LCD bias voltages internally, eliminating the external resistor ladder and enabling stable contrast even as the battery voltage drops below the Vlcd threshold. Extended temperature support makes it suitable for outdoor, industrial, and automotive interior applications. Architecturally, the device uses a 16-bit modified Harvard core with separate instruction and data paths, hardware multiplier, and zero-overhead loop control. The CIPs (CLC, MCCP, UART with IrDA, timers, and PWM) operate independently of the core, allowing complex waveform generation, signal conditioning, and communication events to occur while the CPU remains asleep. The combination of hardware encryption, true RNG, and secure boot options provides a foundation for connected low-power nodes. Typical applications include battery-powered medical devices such as glucose meters and infusion pumps, IoT sensor nodes with on-board segmented LCD displays, HVAC thermostat controllers, industrial metering (gas, water, electricity) with multi-segment displays, e-bike and appliance user interfaces, and portable consumer products requiring years of battery life. The extended -40C to +125C temperature range also makes it attractive for outdoor signage and asset tracking tags. When designing with this MCU, choose decoupling capacitors and follow Microchip's recommended PCB layout for the LCD charge pump; improper layout can introduce display flicker. The internal 32 MHz oscillator is sufficient for most 16 MIPS tasks, and the dedicated RTCC pin allows sub-microamp real-time clock operation across all low-power modes. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the same PIC24FJ family, and practical design notes that complement the manufacturer datasheet.

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PIC24FJ128GL306-I/MR - 16-bit 32MHz 128KB Flash LCD MCU | Microchip
PIC24FJ128GL306-I/MR

PIC24FJ128GL306-I/MR - 16-bit 32MHz 128KB Flash LCD MCU | Microchip

The Microchip Technology PIC24FJ128GL306-I/MR is a 16-bit PIC microcontroller running up to 32 MHz (16 MIPS) with 128 KB of ECC Flash and 8 KB SRAM, housed in a 64-pin QFN (9x9 mm) package. It belongs to the PIC24FJ 'GL' low-pin-count family that pairs an integrated segmented LCD controller with core-independent peripherals (CIPs) and eXtreme Low Power (XLP) operation, including a sleep current in the few-hundred-nA range while retaining full RAM and LCD state. A low-dropout regulator (LDO) is a type of linear voltage regulator that maintains a stable output even when the input is only slightly higher than the output; in this product family the LDO function is applied internally to power the LCD charge pump and analog blocks. Within a microcontroller hierarchy, the PIC24FJ128GL306 sits as a low-power MCU → 16-bit MCU → microcontroller → embedded controller → semiconductor. The integrated segmented LCD controller supports up to 256 segments (8 commons × 32 segments) with autonomous animation, blinking, blanking, dual-display alternation, and an internal charge pump for contrast management on battery-powered designs. Key features include 17-bit x 17-bit single-cycle hardware fractional/integer multiplication, multiple CIPs that offload tasks from the core, and multiple sleep modes with retention. The 64-QFN (MR) package exposes up to 53 general-purpose I/O and integrates an LCD charge pump and RTCC with calendar. Hardware ECC on Flash and parity on RAM improve reliability for industrial and metering designs. Typical applications include e-metering and smart energy meters, battery-powered medical instruments, IoT sensor nodes with LCD displays, industrial HMIs, and home appliances. The combination of low sleep current, integrated LCD, and CIPs allows system designers to add a UI without a dedicated display driver IC. When designing with this MCU, ensure the chosen package variant matches the PCB land pattern and that the LCD charge-pump capacitor values match the segment count. The 64-QFN thermal pad must be soldered to a sufficient copper pour for thermal and electrical performance. This page combines distributor pricing, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet provides, helping engineers shorten design cycles.

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PIC24FJ128GL306T-I/MR - 128KB Flash 16-bit XLP MCU w/ LCD | Microchip
PIC24FJ128GL306T-I/MR

PIC24FJ128GL306T-I/MR - 128KB Flash 16-bit XLP MCU w/ LCD | Microchip

The Microchip Technology PIC24FJ128GL306T-I/MR is a 16-bit eXtreme Low-Power microcontroller with an integrated segmented LCD controller, 128KB of ECC Flash and 8KB RAM, packaged in a 64-pin 9x9 mm QFN. It executes up to 16 MIPS at 32 MHz from a 2.0V to 3.6V supply, retaining full RAM and register state in sleep mode at sub-microamp currents that suit coin-cell and energy-harvesting products. An MCU (microcontroller) is a single-chip computer integrating a CPU core, Flash program memory, SRAM, and a rich mix of peripherals (timers, ADC, communication controllers, GPIOs). The PIC24F core is a 16-bit modified Harvard architecture from Microchip's PIC24 family, sitting hierarchically above 8-bit PIC MCUs and below the 32-bit PIC32MX/dsPIC33 families. The 'GL' suffix designates the Low-Power LCD family, characterized by Core Independent Peripherals (CIPs) that offload display animation, contrast management via charge pump, and sensor scanning from the CPU, allowing the device to remain in a low-power state while the LCD continues to update. Key features include up to 256 LCD segments (8 commons and 32 segments), an autonomous animation engine supporting alternating dual display, blinking and blanking, an integrated LCD charge pump for contrast in battery-powered applications, six UART, three I2C and three SPI interfaces, a 12-bit ADC, and multiple capture/compare PWM modules. Sleep current is specified in the few-hundreds-of-nA range while retaining complete RAM and full LCD operation, dramatically extending battery life versus general-purpose PIC24F devices. The architecture combines a 16-bit MIPS-style CPU with hardware CIP blocks (CLC, SCCP, RTCC, DMA) to enable autonomous event handling without CPU wake-up, reducing average power consumption by orders of magnitude. The 128KB ECC Flash provides single-bit error correction and dual-bit error detection for increased reliability in safety-sensitive applications. Typical applications include battery-powered glucose and patient monitors, utility metering displays, handheld industrial instruments, electronic shelf labels, home automation thermostats/HMI panels, and any portable product requiring an always-on LCD with multi-year battery life. The wide temperature range (-40C to +85C industrial grade) supports both indoor and outdoor deployments. When designing with this device, allocate PCB area for the LCD bias and charge-pump capacitors as specified in the family datasheet, and verify that your chosen segment count (up to 256) stays within the 8x32 common/segment matrix. Use the integrated RTCC with external 32.768 kHz crystal for timekeeping down to sub-microamp sleep currents. This page synthesizes verified distributor pricing, drop-in alternatives from the same PIC24FJ GL family, application examples and design notes that go beyond the manufacturer datasheet and distributor product pages.

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PIC24FJ128GL405-E/M4 - 16-bit 32MHz 128KB Flash MCU | Microchip
PIC24FJ128GL405-E/M4

PIC24FJ128GL405-E/M4 - 16-bit 32MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC24FJ128GL405-E/M4 is a 16-bit PIC24F microcontroller IC operating at up to 32 MHz with 128 KB (128K x 8) of Flash program memory and integrated LCD and USB peripherals, packaged in a 48-pin UQFN (6x6 mm). It belongs to the PIC24FJ GL4 family of eXtreme Low-Power microcontrollers, delivering up to 16 MIPS performance with a wide range of core-independent peripherals (CIPs). A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (typically Flash), working RAM, and a rich set of on-chip peripherals such as timers, communication interfaces, and analog blocks. Within the broader hierarchy, an MCU is a sub-class of microcomputer, itself a category of embedded processor, and within the semiconductor taxonomy it sits under logic ICs and integrated circuits. The PIC24FJ GL4 family in particular targets ultra-low-power designs with on-board LCD segment drivers and full-speed USB, enabling Human-Machine Interface (HMI) and connected-node applications on a single die. Key features of this device include 128 KB of ECC Flash with Dual Partition support (for live Over-The-Air firmware updates and EEPROM emulation), 32 KB of SRAM, a full-speed USB 2.0 device controller, an integrated LCD segment driver, multiple Core Independent Peripherals (CIPs), and an extended operating temperature range of -40 C to +125 C. The CPU executes a modified Harvard instruction set with a 17-bit x 17-bit single-cycle hardware multiplier, which accelerates DSP-style inner loops commonly used in sensor conditioning and motor control. Architecturally, the device combines a 16-bit RISC datapath with a flexible clock-gating structure and Deep Sleep modes drawing only micro-amps, which is essential for battery-backed or energy-harvesting designs. The ECC Flash plus Dual Partition allows firmware to be updated in the field without risk of bricking the unit: a new image is written to the inactive partition and then swapped atomically on next boot, supporting reliable OTA workflows. Combined with hardware CRC and a unique MAC address in USB, this makes the PIC24FJ128GL405 particularly well suited to always-on connected endpoints. Typical applications include low-power LCD-based consumer products (thermostats, scales, coffee machines), industrial sensor nodes with USB diagnostics, medical devices such as glucose meters, and battery-powered IoT endpoints with USB-C charging. The wide temperature range and ECC memory also suit automotive aftermarket and ruggedized industrial HMIs. When designing with this part, note that the -E suffix denotes the extended industrial -40 C to +125 C temperature grade and M4 designates the 48-pin UQFN package, so PCB layout must allocate a thermal pad and obey Microchip's UQFN land-pattern guidelines. This page combines authoritative manufacturer specifications, distributor availability data, and a structured cross-reference view to help engineers evaluate the PIC24FJ128GL405-E/M4 against same-family drop-in alternatives and competitive replacements in the same 48-pin UQFN footprint.

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PIC24FJ128GL405-E/PT - 16-bit 32MHz 128KB Flash MCU w/ USB & LCD | Microchip
PIC24FJ128GL405-E/PT

PIC24FJ128GL405-E/PT - 16-bit 32MHz 128KB Flash MCU w/ USB & LCD | Microchip

The Microchip Technology PIC24FJ128GL405-E/PT is a 16-bit eXtreme Low-Power microcontroller (MCU) based on the PIC24F core architecture, integrating 128KB of Flash program memory, 32KB of RAM, a full-speed USB 2.0 device interface, and a segmented LCD controller. It operates at up to 32MHz (16 MIPS) and is housed in a 48-pin TQFP (7x7 mm) package designated by the /PT suffix. A 16-bit PIC24F microcontroller is a member of Microchip's high-performance, low-power MCU family, positioned in the broader taxonomy as: microcontroller -> embedded MCU -> 16-bit MCU -> PIC24F family -> PIC24FJ GL4 sub-family. PIC24F devices are widely used in human-machine interface (HMI), medical instrumentation, and battery-powered embedded systems because they balance MIPS throughput with deep-sleep current in the nanoamp range and integrate rich peripheral sets. Key features include Dual Partition Flash supporting real-time Over-The-Air (OTA) firmware updates and EEPROM emulation, Core Independent Peripherals (CIPs) such as CLC, MCCP, and 32-bit CRC, a 10-bit/12-bit ADC with CTMU support, multiple UART/SPI/I2C interfaces, and a segmented LCD driver with charge pump. The device supports operating voltages from 2.0V to 3.6V and industrial-grade temperature range of -40C to +125C for the /E variant. Technically, the PIC24FJ128GL405 employs a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, allowing efficient C-compiled code. Hardware multiply/divide and a deterministic interrupt controller support real-time control loops. The integrated USB 2.0 full-speed transceiver eliminates an external PHY, saving BOM cost and PCB area for HID, CDC, or vendor-class peripherals. Typical applications include low-power HMI with LCD readouts (thermostats, blood-pressure monitors), USB HID peripherals (keyboards, barcode scanners, game controllers), home medical devices with battery operation, e-metering with segmented LCD display, secure OTA-updatable IoT edge nodes, and industrial sensor transmitters requiring CIP-based deterministic behavior. When designing with this device, allocate at least one of the two CRC/Scan hardware blocks to memory integrity verification if OTA updates are deployed. The segmented LCD driver requires bias-resistor network selection based on display duty cycle; consult the datasheet's LCD reference design. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ128GL405-I/M4 - 16-Bit 128KB Flash MCU w/ USB/LCD | Microchip
PIC24FJ128GL405-I/M4

PIC24FJ128GL405-I/M4 - 16-Bit 128KB Flash MCU w/ USB/LCD | Microchip

The Microchip Technology PIC24FJ128GL405-I/M4 is a 16-bit PIC® 24F microcontroller with a 32 MHz MIPS core, 128 KB ECC Flash, and 32 KB SRAM, housed in a 48-pin UQFN (6x6 mm) package. It operates from 2.0 V to 3.6 V, supports -40 °C to +85 °C industrial temperature range, and integrates a full-speed USB 2.0 controller, an LCD segment driver, multiple Core Independent Peripherals (CIPs), and dual-partition Flash for live Over-The-Air (OTA) firmware updates. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (RAM), and a rich set of on-chip peripherals. PIC24F devices sit in Microchip's mid-range 16-bit MCU tier: 16-bit wide data path, modified Harvard architecture, deterministic interrupt latency, and excellent code density compared with 8-bit MCUs. Within that family, the 'GL4' sub-family is engineered for ultra-low-power and human-machine-interface (HMI) applications, providing extended sleep current as low as hundreds of nanoamperes with multiple low-power modes that preserve RAM and peripheral state. Key features of this variant include 128 KB dual-partition Flash supporting real-time OTA updates and EEPROM Emulation (EER), 32 KB SRAM, 16 MIPS sustained throughput at 32 MHz, integrated full-speed USB 2.0 device/host/OTG controller, an integrated segmented LCD driver supporting hundreds of pixels, up to 38 I/O pins with mappable peripherals via PPS (Peripheral Pin Select), and CIP blocks including a 12-bit ADC, multiple UART/SPI/I²C interfaces, comparators, and configurable logic cells. Typical applications for the PIC24FJ128GL405-I/M4 include battery-powered IoT sensor nodes with segment-LCD displays, USB-CDC tethered data loggers, portable medical monitors, industrial HMI panels, home automation gateways, and metering/utility front-ends. The device also targets firmware-upgradable field installations that require secure dual-bank OTA updates. When designing with this MCU, plan the I/O map early because PPS allows nearly every digital peripheral to be routed to most pins, simplifying PCB layout. Place a 0.1 µF ceramic decoupling capacitor within 5 mm of every VDD/VSS pair, route the 32 kHz crystal traces symmetrically to the SOSC pins, and allocate one PGECx/PGEDx pair for the ICSP interface so firmware can be debugged and updated in-circuit.

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PIC24FJ128GL405-I/PT - 16-bit MCU, 128KB Flash, LCD, USB | Microchip
PIC24FJ128GL405-I/PT

PIC24FJ128GL405-I/PT - 16-bit MCU, 128KB Flash, LCD, USB | Microchip

The Microchip Technology PIC24FJ128GL405-I/PT is a 16-bit eXtreme Low-Power microcontroller from the PIC24FJ GL4 family, featuring 128 KB of ECC Flash, 32 KB RAM, an integrated segmented LCD controller, and a full-speed USB 2.0 peripheral, housed in a 48-pin TQFP (7x7 mm) package. It executes instructions at up to 16 MIPS from a 32 MHz internal oscillator and operates from 2.0 V to 3.6 V across an industrial temperature range of -40 C to +85 C. The 'GL4' family integrates Core Independent Peripherals (CIPs), configurable logic cells, and a 32 KB dual-partition Flash with EEPROM emulation, supporting real-time Over-The-Air (OTA) firmware updates without device downtime. A 16-bit PIC microcontroller is a Harvard-architecture MCU that processes instructions on a 16-bit data path while fetching code over a separate 24-bit bus, giving a single instruction a higher arithmetic density than 8-bit cores. It belongs to the wider category of embedded microcontrollers, which sits between general-purpose microprocessors and application-specific DSPs in the embedded computing hierarchy. The PIC24FJ family extends the original PIC16/PIC18 architectures with enhanced peripherals, larger linear address space, and significantly higher code efficiency for C-based firmware development, while preserving the deterministic interrupt latency Microchip MCUs are known for. Differentiating features of the PIC24FJ128GL405 include 128 KB of ECC-protected program memory, 32 KB SRAM, an integrated segmented LCD driver supporting up to 288 segments, and a full-speed USB 2.0 device peripheral with internal transceiver. Core Independent Peripherals such as CLC, MCCP, and configurable 16-bit timers enable complex event handling without CPU intervention, dramatically reducing active-mode current. The dual-partition Flash with EEPROM emulation allows reliable OTA field upgrades and parameter storage without external memory, while hardware AES and a true random number generator provide security primitives for connected applications. Typical applications include battery-operated medical devices, industrial HMI panels with LCD readouts, USB-connected sensor nodes, smart metering and energy-harvesting products, IoT edge nodes, and human-machine interface controls in appliances. The wide operating voltage, deep sleep current in the microamp range, and segmented LCD controller reduce system BOM by eliminating external driver ICs and boost regulators in many designs. When designing with the PIC24FJ128GL405-I/PT, place decoupling capacitors within 3 mm of every VDD/VSS pair and keep the USB D+/D- traces length-matched and 90-ohm impedance-controlled to pass USB compliance. Configure the dual-partition Flash map before firmware deployment so OTA updates can swap partitions safely, and leave the WDT enabled during sleep for unattended recovery. This page synthesizes distributor pricing, drop-in alternatives, and design notes that complement the manufacturer datasheet, giving engineers a single reference for evaluating, sourcing, and implementing the PIC24FJ128GL405.

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PIC24FJ128GL405T-I/PT - 16-Bit MCU, 128KB Flash, LCD, USB | Microchip
PIC24FJ128GL405T-I/PT

PIC24FJ128GL405T-I/PT - 16-Bit MCU, 128KB Flash, LCD, USB | Microchip

The Microchip Technology PIC24FJ128GL405T-I/PT is a 16-bit PIC24F microcontroller running at 32 MHz (16 MIPS) with 128 KB ECC Flash and 32 KB SRAM, housed in a 48-pin TQFP (7x7 mm) package. The GL4-family silicon integrates a segment LCD controller, full-speed USB 2.0 (device/host/OTG), and core-independent peripherals (CIPs) that offload tasks from the CPU. What is a PIC24F microcontroller? The PIC24F is Microchip's 16-bit MCU family, sitting between 8-bit PIC16/PIC18 and 32-bit PIC32. It uses a modified Harvard architecture with a 16-bit wide datapath, providing roughly an order-of-magnitude more throughput than 8-bit PIC MCUs while retaining the deterministic interrupt model and peripheral set familiar to PIC developers. The F-prefix denotes the ultra-low-power eXtreme Low Power (XLP) sub-family, targeted at battery-powered and energy-harvesting designs. Microcontroller -> MCU -> embedded controller -> semiconductor. PIC24FJ -> PIC24F -> 16-bit MCU -> embedded controller. Key features include dual-partition Flash (live Over-The-Air updates plus EEPROM emulation), up to 39 general-purpose I/O, hardware Crypto engine (AES/SHA), 16-bit Sigma-Delta ADC and 10-bit pipelined ADC, multiple PWM/SCCP/MCCP timers, Real-Time Clock and Calendar (RTCC) with backup battery domain, and a USB Peripheral Annex down to 2V. The segment LCD driver supports up to 320 segments, making the part suitable for human-machine interface panels. Architecture-wise, the device pairs a 16-bit MIPS-style core with five core-independent peripherals (configurable logic cells, NCO, CLC, ADC shutdown, hardware crypto) that continue executing state machines without CPU intervention. Dual-partition Flash enables A/B firmware switching for fail-safe field updates, and ECC Flash plus parity-protected SRAM raise reliability in long-life industrial deployments. Typical applications include industrial HMI panels with segment LCD and USB diagnostics, IoT sensor nodes with OTG firmware updates, battery-backed metering and e-metering, white-goods user interfaces, medical point-of-care displays, and automotive body/chassis auxiliary modules. The 32 KB RAM supports modest protocol stacks (USB CDC, Modbus, MQTT-SN) without external memory. When designing with this part, select the correct voltage regulator topology for the 2V-3.6V VDD range and budget for the LCD charge-pump capacitor network. The dual-partition Flash must be managed via Microchip's bootloader library for OTA updates to work reliably. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ128GL406-E/MR - 16-bit 128KB Flash MCU with LCD & USB | Microchip
PIC24FJ128GL406-E/MR

PIC24FJ128GL406-E/MR - 16-bit 128KB Flash MCU with LCD & USB | Microchip

The Microchip Technology PIC24FJ128GL406-E/MR is a 16-bit PIC microcontroller from the PIC24F eXtreme Low-Power family, offering 128KB of ECC Flash, 32KB RAM, an integrated segmented LCD controller, and full-speed USB in a 64-pin QFN (9x9 mm) package. It runs at 16 MIPS (32 MHz CPU clock) and is supplied from a 2.0V-3.6V rail, making it suitable for battery-powered and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and peripherals. The PIC24F 'GL4' family specifically targets ultra-low-power embedded applications, combining a 16-bit modified Harvard architecture with sleep currents in the few-hundred-nA range while retaining RAM. This hierarchy places it as: microcontroller -> embedded MCU -> ultra-low-power MCU -> 16-bit PIC -> PIC24FJ GL4 family. Compared with 8-bit MCUs, PIC24F devices deliver higher MIPS-per-mW and richer CIP (Core Independent Peripherals) such as the segmented LCD driver and USB. Key features include 128KB (128K x 8) ECC Flash with Dual Partition for live Over-The-Air firmware updates, 32KB RAM, 60 I/O pins (from the 64-pin package), and integrated peripherals: USB 2.0 full-speed, segmented LCD controller, multiple UART/SPI/I2C, 12-bit ADC, and CIPs that offload tasks from the CPU. The 'GL4' family supports EEPROM emulation and animation features for the LCD driver, useful in user-interface-heavy IoT nodes. The device operates across -40C to +125C (E = Extended temperature grade), supports 2.0V-3.6V, and uses a 32 MHz internal oscillator with PLL. Hardware math acceleration, DMA, and configurable logic cells (CLC) enable efficient peripheral interconnection. Security features include Flash code-protect and a unique device ID. Typical applications include IoT sensor hubs, home automation controllers, medical glucose/patient monitors with LCD, industrial HMI, USB-CDC/HID peripherals, and battery-powered metering. The dual-partition OTA Flash is particularly attractive for field-deployed firmware upgrades. Design with this MCU by budgeting the 32KB RAM across the LCD frame buffer, USB descriptors, and application heap; use ECC Flash for safe OTA rollback. Place a 1uF + 100nF decoupling pair near each VDD/VSS pin pair and route the 32 kHz secondary oscillator traces short to avoid RTC drift. This page synthesizes distributor pricing, drop-in alternative MPNs from Microchip's PIC24F GL4 family, and PCB layout guidance not collated on the manufacturer datasheet.

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PIC24FJ128GL406-E/PT - 16-Bit MCU, 128KB Flash, USB, LCD | Microchip
PIC24FJ128GL406-E/PT

PIC24FJ128GL406-E/PT - 16-Bit MCU, 128KB Flash, USB, LCD | Microchip

The Microchip Technology PIC24FJ128GL406-E/PT is a 16-bit PIC24F microcontroller running at 32 MHz (16 MIPS) with 128 KB of ECC Flash and 32 KB RAM, housed in a 64-pin TQFP (10x10 mm) package. The -E suffix denotes the extended industrial temperature grade (-40C to +125C), and the /PT suffix identifies the 64-pin TQFP package supplied in tray. What is a PIC24F microcontroller? The PIC24F family is a 16-bit MCU line from Microchip built on a modified Harvard architecture with a wide 24-bit instruction word. Within the broader microcontroller taxonomy, PIC24F sits below 32-bit Cortex-M parts but offers substantially more compute and peripherals than 8-bit PIC16/PIC18 devices, while retaining the low-power XP (eXtreme Low-Power) focus. The GL4 sub-family adds an integrated LCD controller, full-speed USB 2.0, and core-independent peripherals (CIPs) for safety-critical and human-interface designs. Key features of the PIC24FJ128GL406 include up to 512 KB of dual-partition flash supporting real-time Over-The-Air (OTA) updates and EEPROM emulation, a segmented LCD driver with charge pump, full-speed USB 2.0 device/host/OTG, and a 16-channel 10/12-bit ADC. The device supports 2.0V to 3.6V operation and offers multiple low-power sleep modes down to nanoWatt levels, making it a fit for battery-powered consumer, medical, and industrial human-machine-interface (HMI) products. Architecturally, the PIC24FJ128GL406 uses a 16-bit datapath with a 24-bit instruction set, hardware multiply/divide, and a wide set of timers, capture/compare, and PWM modules. The dual-partition flash with live-update capability allows the firmware to be updated in the field without downtime, an essential feature for connected IoT appliances and metering equipment that must remain in service across software revisions. Typical applications include USB-connected HMI panels, IoT sensor hubs with LCD readouts, home appliances with segmented displays, medical point-of-care devices, e-metering and energy monitoring, and rugged industrial control panels. The combination of LCD + USB + OTA in a single 16-bit MCU simplifies the bill of materials and lowers BOM cost versus a 32-bit MCU + external LCD bridge. When designing with this device, allocate adequate decoupling (100 nF + 4.7 uF) near each VDD/VSS pair and follow the package-specific land pattern for the PT (64-pin TQFP). For USB applications, the D+/D- traces must be 90-ohm differential and length-matched; the on-chip USB regulator requires a 4.7 uF external cap. Always confirm with the device errata sheet before locking firmware behaviour. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that are not available from the manufacturer datasheet alone, helping engineers shorten the BOM and selection cycle.

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PIC24FJ128GL406-I/MR - 16-Bit 128KB Flash MCU with USB & LCD
PIC24FJ128GL406-I/MR

PIC24FJ128GL406-I/MR - 16-Bit 128KB Flash MCU with USB & LCD

The Microchip Technology PIC24FJ128GL406-I/MR is a 16-bit microcontroller from the PIC24F eXtreme Low-Power family, integrating 128 KB of ECC Flash, 32 KB RAM, a segmented LCD controller, and full-speed USB in a 64-pin QFN (9x9 mm) package. It operates at up to 32 MHz with 16 MIPS performance and supports a 2.0V–3.6V supply, targeting battery-powered embedded applications that require rich user interfaces and wired connectivity. What is a PIC24F microcontroller? The PIC24F is Microchip's 16-bit flash MCU family that extends the 8-bit PIC architecture into higher-performance applications while maintaining low power consumption. Within the product hierarchy, the PIC24F sits below 32-bit Cortex-M devices and above 8-bit PIC MCUs, offering a balance of computational throughput, peripheral integration, and power efficiency. The 'GL4' sub-family specifically targets low-power, segment-LCD applications with USB connectivity, bridging 'GU' (USB-host capable) and 'GB' (graphics/USB) parts in Microchip's broader portfolio. Key features include 128 KB dual-partition flash supporting Over-The-Air (OTA) updates and EEPROM emulation, 32 KB SRAM, a hardware segmented LCD driver, full-speed USB 2.0 device/host/OTG, multiple Core Independent Peripherals (CIPs), a 12-bit ADC, and configurable logic cells. The integrated LCD controller supports up to 480 segments, eliminating external display drivers in metering and medical applications. The MCU is built around the PIC24 modified Harvard architecture with a 16-bit data path and 24-bit instruction word. Core Independent Peripherals (CIPs) like configurable logic, SCCP/PWM, and 32-bit CRC allow complex sequencing without CPU intervention, reducing firmware burden and active-mode current. The dual-partition flash supports secure field firmware updates. Typical applications include battery-powered IoT sensor hubs, medical glucose and infusion pumps with segment LCDs, industrial process meters, USB-to-UART bridges, HVAC control panels, and asset tracking tags. The combination of low power, OTA firmware, and integrated LCD makes it attractive for products with 5-10 year battery life requirements. When designing with this part, ensure the QFN-64 thermal pad is soldered with sufficient vias for heat dissipation. Use MPLAB X IDE with the XC16 compiler for firmware development; select the matching programming tool (e.g., PICkit 4 or MPLAB ICD 4) for ICSP. Carefully plan USB PCB layout following the impedance-controlled 90-ohm differential routing recommended in the datasheet. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not consolidated on the manufacturer datasheet.

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PIC24FJ128GL406-I/PT - 16-Bit MCU, 128KB Flash, USB, LCD | Microchip
PIC24FJ128GL406-I/PT

PIC24FJ128GL406-I/PT - 16-Bit MCU, 128KB Flash, USB, LCD | Microchip

The Microchip Technology PIC24FJ128GL406-I/PT is a 16-bit PIC24F microcontroller featuring 128KB of ECC Flash, 32KB SRAM, an integrated LCD controller, and full-speed USB, housed in a 64-pin TQFP (PT) 10x10 mm package. Operating at up to 32 MHz (16 MIPS) with a wide 2.0V-3.6V supply range, it is engineered for ultra-low-power eXtreme Low-Power (XLP) designs targeting battery-powered and energy-harvesting applications. A 16-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory (Flash, SRAM, EEPROM), and peripherals on one die. The 16-bit data path allows more efficient arithmetic on larger variables than 8-bit cores while staying below the cost and power of 32-bit devices. Within the broader taxonomy, PIC24F sits in the microcontrollers -> microcontrollers and processors -> semiconductor -> IC hierarchy. This GL4 family member adds USB and segmented LCD drivers, placing it between baseline 16-bit MCUs and higher-end dsPIC/PIC32 devices for human-machine-interface nodes. Key differentiating features include 128KB of ECC Flash organized as Dual Partition for over-the-air (OTA) firmware updates, a hardware real-time clock calendar (RTCC) with VBAT retention, four 16-bit timers, five UART/I2C/SPI peripherals, a 12-bit ADC, and Microchip's core-independent peripherals (CIPs) such as CLC, MCCP, and PWM. The LCD controller drives up to 8 commons x 50 segments with integrated charge pump and contrast control, eliminating external bias resistors. Architecturally, the device pairs a modified Harvard 16-bit CPU with DMA-driven CIPs that offload tasks without CPU intervention. The XLP deep-sleep current of approximately 400 nA (with RTCC running) and active current around 9 mA at full speed make it ideal for always-on sensor nodes. The 12-bit 200 ksps ADC, 5-bit DAC, and CTMU support capacitive-sensing touch buttons and analog sensor reading directly on-chip. Typical applications include battery-powered medical monitoring devices (glucometers, BP cuffs), industrial HMI panels with segmented LCD, IoT edge nodes with USB diagnostics, automotive body and sensor interfaces, and smart metering. The integrated USB enables direct firmware updates via standard USB hosts, simplifying field service. Design consideration: route VBAT through a 47 kOhm decoupling resistor to the RTCC supply pin, and place a 100 nF bypass capacitor on every VDD/VSS pair. The LCD segment outputs require 1 nF-100 nF reservoir capacitors on VLCAP1/VLCAP2, and unused segment pins should be left open or routed to reduce coupling noise. This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC24F family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC24FJ128GL408-E/PT - 16-Bit MCU, 128KB Flash, LCD, 80-TQFP | Microchip
PIC24FJ128GL408-E/PT

PIC24FJ128GL408-E/PT - 16-Bit MCU, 128KB Flash, LCD, 80-TQFP | Microchip

The Microchip Technology PIC24FJ128GL408-E/PT is a 16-bit microcontroller from the PIC24FJ GL4 family, delivering 16 MIPS performance at 32 MHz core clock with 128 KB of ECC Flash and 32 KB SRAM in an 80-pin TQFP package. It integrates an integrated segmented LCD controller, full-speed USB, and a rich set of Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU. The device operates from 2.0 V to 3.6 V over the industrial -40C to +125C temperature range (E suffix), suiting extended-temperature applications. The PIC24FJ GL4 family of low-power 16-bit microcontrollers from Microchip combines a MIPS-modified Harvard architecture with a wide peripheral set for human-machine interface and connected embedded designs. The integrated LCD driver supports up to 480 segments, while dual-partition Flash enables real-time Over-The-Air (OTA) firmware updates and EEPROM emulation without external storage. Full-speed USB 2.0 device/host/OTG support, combined with up to 32 KB RAM, makes the family well suited to connected sensor and display applications. Key features of this variant include 128 KB ECC Flash, 32 KB SRAM, an 8 MHz internal RC oscillator (with PLL), an integrated segmented LCD controller, up to 69 general-purpose I/O pins, and Core Independent Peripherals such as Configurable Logic Cells (CLC), Multiple Capture/Compare/PWM, and a 12-bit ADC. The 'E' suffix designates the extended temperature grade (-40C to +125C) and the /PT suffix denotes the 80-pin TQFP (12x12 mm) package. Typical applications include low-power IoT sensor nodes with LCD displays, industrial HMI panels, USB-connected data loggers, smart meters with integrated segmented displays, medical handhelds requiring low-power sleep modes, and consumer appliances with graphical segmented LCD interfaces. The combination of integrated LCD, USB and ECC Flash reduces BOM and PCB area for cost-sensitive UI products. When designing with this device, ensure that the USB VBUS pin is properly decoupled, that the segmented LCD bias network is sized for the chosen panel, and that the dual-partition Flash flow is configured in the linker. Using Microchip's MPLAB X IDE with the XC16 compiler and the MPLAB Code Configurator (MCC) plug-in streamlines peripheral setup.

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PIC24FJ128GL408T-I/PT - 16-bit MCU, 32MHz, 128KB Flash, 80-TQFP | Microchip
PIC24FJ128GL408T-I/PT

PIC24FJ128GL408T-I/PT - 16-bit MCU, 32MHz, 128KB Flash, 80-TQFP | Microchip

The Microchip PIC24FJ128GL408T-I/PT is a 16-bit PIC24F microcontroller with 128KB ECC Flash, 32KB RAM, an integrated LCD controller, and a USB 2.0 full-speed peripheral, housed in an 80-pin TQFP (12x12 mm) package. It operates up to 32MHz delivering 16 MIPS, supports a wide 2.0V-3.6V supply range, and includes core-independent peripherals (CIPs) for deterministic hardware-based control. A 16-bit microcontroller (MCU) is a microprocessor core with a 16-bit data path and instruction set, positioned between 8-bit MCUs and 32-bit ARM Cortex-M devices in performance, cost, and code-density. The PIC24F family targets ultra-low-power embedded applications with rich on-chip peripherals including segmented LCD drivers, USB, and capacitive touch sensing, belonging to the broader category of microcontrollers within integrated circuits. Key features include 128KB ECC Flash with Dual Partition support for OTA updates and EEPROM emulation, 32KB SRAM, an integrated segmented LCD driver supporting up to 472 segments, USB 2.0 full-speed with on-chip transceiver, and a 16-channel 12-bit ADC. The device integrates multiple CIPs including a 32-bit CRC, hardware RTCC, and configurable logic cells that offload tasks from the CPU, reducing firmware complexity. The PIC24FJ128GL408 family is fabricated on an advanced low-power CMOS process and provides a 16-bit modified Harvard architecture with a 24-bit instruction word. Dual Partition Flash enables live field firmware upgrades without downtime, while ECC on Flash and RAM improves reliability in safety-sensitive applications. The integrated LCD segment driver eliminates external display controllers, reducing BOM cost in human-machine interface designs. Typical applications include industrial control panels with LCD displays, USB-connected medical devices, low-power IoT sensor nodes, automotive body controllers with segmented dashboards, consumer appliances with touch interfaces, and battery-powered data loggers requiring OTA firmware updates. The 32MHz performance supports real-time signal processing in motor control and instrumentation. When designing with this device, plan pin allocation early because the 80-pin TQFP provides generous I/O but the LCD segment pins are shared with digital I/O - segment mapping must be validated against the PCB layout. Use MPLAB X IDE with XC16 compiler and configure the Configuration bits via MCC to avoid debug-interface lockout. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not found in the manufacturer datasheet, providing actionable engineering context for component selection.

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PIC24FJ128GL410-E/PT - 16-bit 32MHz 128KB Flash MCU | Microchip
PIC24FJ128GL410-E/PT

PIC24FJ128GL410-E/PT - 16-bit 32MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC24FJ128GL410-E/PT is a 16-bit microcontroller from the PIC24FJ GL4 family, featuring a 32 MHz (16 MIPS) CPU core, 128 KB of ECC Flash with Dual Partition, and 32 KB SRAM, housed in a 100-pin TQFP (12x12 mm) package. The integrated LCD controller, full-speed USB 2.0 device/host/OTG, and 16-bit Parallel Master Port (PMP/EPSP) make it a one-chip solution for human-machine interface and connectivity applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/SRAM), and programmable peripherals around a common bus. The PIC24FJ family uses a 16-bit modified-Harvard architecture designed for embedded control, offering deterministic interrupt response, rich Core Independent Peripherals (CIPs), and a wide operating voltage range. The GL4 sub-family is the upper tier of the PIC24FJ line, scaling up to 512 KB Flash and adding dual-partition OTA updates and EEPROM emulation. Key features of the PIC24FJ128GL410-E/PT include 128 KB Flash with error correction, 32 KB SRAM, hardware crypto engine support, real-time clock with calendar (RTCC), 12-bit ADC up to 500 ksps, multiple UART/SPI/I2C, USB 2.0 full-speed, and a Segment LCD driver. The CIPs include Configurable Logic Cells (CLC), Peripheral Trigger Generator (PTG), and DMA for offloading the CPU in signal-processing or motor-control loops. The device operates from 2.0 V to 3.6 V with five low-power modes (Sleep, Deep Sleep, Idle, Doze, and Alternate Run) achieving sub-µA sleep currents. The 100-TQFP package exposes up to 85 I/O pins, supporting large display arrays or multiple sensor buses. Two 32-bit timers and a 16-bit timer base enable precise motor control, PFC, and lighting applications. Typical applications include industrial HMI panels, smart thermostats, medical instrumentation, USB-connected point-of-sale terminals, secure IoT edge nodes, and segment-LCD based home appliances. The dual-partition Flash with live update supports Over-The-Air (OTA) firmware upgrades critical for deployed IoT fleets. Designers should pay attention to decoupling: place 100 nF ceramic on each VDD/AVDD pair, route VBAT for the RTCC if used, and follow the package thermal guidelines for the 100-TQFP. The PIC24FJ GL4 family is supported by MPLAB X IDE, MCC (MPLAB Code Configurator), and a full software ecosystem for rapid prototyping. This page consolidates distributor pricing, drop-in pin-compatible alternatives, and practical design notes that complement - rather than duplicate - the manufacturer datasheet.

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