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MKL16Z64VFT4R - 48MHz Cortex-M0+ 64KB Flash MCU | NXP
MKL16Z64VFT4R

MKL16Z64VFT4R - 48MHz Cortex-M0+ 64KB Flash MCU | NXP

The NXP MKL16Z64VFT4R is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller from the Kinetis KL1x family, running up to 48 MHz with 64 KB of on-chip Flash and 8 KB of SRAM, supplied in a 48-pin QFN (7x7 mm) package with an exposed thermal pad. The Kinetis KL16 sub-family targets general-purpose low-power applications that need USB connectivity, segment-LCD support, and a richer analog peripheral set than the entry-level KL0x family, while preserving the KL0x energy-efficiency envelope. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a fixed set of peripherals (timers, ADC, communication controllers, GPIO) into one package. The ARM Cortex-M0+ core used here is the most energy-efficient member of the Cortex-M family, designed for deterministic real-time control in cost-constrained embedded products. The Kinetis family sits within NXP's broader portfolio of 32-bit microcontrollers, which in turn belongs to the larger category of microcontrollers and microprocessors (semiconductor -> IC -> MCU -> Kinetis -> KL1x). Key specifications include a 48 MHz maximum core clock, 64 KB program Flash, 8 KB SRAM, USB 2.0 full-speed device with on-chip transceiver, segment-LCD driver (up to 8x36 or 4x40 segments), 12-bit SAR ADC with up to 16 single-ended channels, low-power UART/SPI/I2C peripherals, and an operating voltage range of 1.71 V to 3.6 V. The device also integrates a low-power RTC, multiple low-power modes (VLLS0..3, LLS, VLPR, STOP), DMA, and a low-power timer for periodic wake-up. The 48-QFN exposed-pad package provides a low thermal resistance and a compact 7x7 mm footprint for space-constrained boards. Architecturally, the KL16 combines a Cortex-M0+ core, single-cycle I/O bus, and a peripheral bridge feeding independent timer, communication, and analog subsystems. The on-chip voltage regulator supports internal core supply from a single external 1.71-3.6 V rail, eliminating the need for multiple external supplies. Hardware AES is not present on this sub-family, but the segment LCD controller, USB FS device, and 12-bit ADC give it strong suitability for human-interface, metering, and consumer products. Typical applications include battery-powered sensor nodes, USB-CDC or USB-HID consumer accessories, small appliances with segment-LCD displays, electronic shelf labels, low-end smart meters, and portable medical accessories. The integrated USB transceiver is a notable differentiator for cable-connected low-power peripherals. The combination of segment-LCD, USB, and Cortex-M0+ energy efficiency is uncommon at this price/performance tier. When designing with this part, allocate the exposed pad (EP) on the PCB as a solid copper pour connected to ground to meet thermal and electrical performance; route USB DP/DM as a 90 ohm differential pair and place the 48 MHz crystal within 5 mm of the XTAL pins. Decouple VDD/VREFL/VREFH with 100 nF ceramics placed as close as possible to the respective pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MKL17Z128VMP4 - 48MHz Cortex-M0+ 128KB Flash MCU | NXP
MKL17Z128VMP4

MKL17Z128VMP4 - 48MHz Cortex-M0+ 128KB Flash MCU | NXP

The NXP MKL17Z128VMP4 is a Kinetis KL17 ultra-low-power 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at up to 48 MHz with 128 KB of flash and 32 KB of SRAM, housed in a 64-pin MAPBGA (5x5 mm) package. It targets battery-powered and energy-harvesting applications where active-mode performance and deep-sleep current must coexist in a small footprint. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a set of on-chip peripherals such as timers, ADCs, and communication controllers. Cortex-M0+ parts occupy the ultra-low-power end of the ARM-M hierarchy and are typically used as microcontrollers -> embedded controllers -> semiconductor devices. The Kinetis KL1x family specifically adds segment-LCD controllers, USB-FS device, and richer analog compared to the entry-level KL0x line. Key features of the MKL17Z128VMP4 include a 16-bit SAR ADC with DMA support, 12-bit DAC, low-power timer, multiple low-power modes (VLLS0/1/3, LLPS, Stop, Wait, Run), flexible USB device (USB-FS) on selected variants, segment LCD controller up to 47 segments, and a 54 GPIO count. The 128 KB flash with 32 KB SRAM ratio makes it suitable for protocol stacks such as BLE HCI or Thread host layers while keeping peripheral support intact. Architecturally, the KL17 uses the Cortex-M0+ with a single-cycle multiplier and a 2-stage pipeline, achieving 0.93 DMIPS/MHz. The wide voltage range of 1.71 V to 3.6 V allows direct connection to single-cell Li-ion, coin cells, or regulated 3.3 V rails, while integrated DC-DC buck converter support simplifies multi-rail designs and improves efficiency in sleep modes where quiescent current drops below 1 uA. Typical applications include wearable fitness bands with segment-LCD displays, battery-powered wireless sensor nodes, USB-CDC/HID peripherals, industrial HMI panels with segment displays, and low-end home appliances. The combination of USB-FS, segment LCD, and low leakage makes the KL17 a strong fit for any 3.3 V coin-cell product that needs a bright display and a wired diagnostic port. When designing with this MCU, place the 0.1 uF decoupling capacitors as close as possible to each VDD/VSS pair and route the VBAT domain separately if a backup RTC battery is used. The segment-LCD bias network requires external charge-pump capacitors; insufficient capacitance leads to display ghosting at extreme temperatures below -20 C. This page synthesizes distributor pricing, drop-in Kinetis same-family alternatives, and practical design notes not consolidated on any single manufacturer page.

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MKL17Z64VDA4 - 48MHz Cortex-M0+ MCU, 64KB Flash | NXP
MKL17Z64VDA4

MKL17Z64VDA4 - 48MHz Cortex-M0+ MCU, 64KB Flash | NXP

The NXP MKL17Z64VDA4 is a 32-bit ultra-low-power microcontroller based on the ARM Cortex-M0+ core running at 48 MHz, with 64 KB flash memory and 16 KB SRAM, housed in a 36-ball XFBGA (MAPBGA-36) package measuring just 3.5 x 3.5 mm. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest level of the embedded computing hierarchy (MCU -> embedded processor -> microprocessor -> SoC). The Kinetis KL family from NXP sits in the ultra-low-power tier of this hierarchy, targeting battery-operated and space-constrained designs where every microamp of current matters. Key features of the MKL17Z64VDA4 include the energy-efficient Cortex-M0+ core, 64 KB (64K x 8) of on-chip flash program memory for firmware storage, 16 KB of SRAM for data and stack, and USB connectivity as noted on the NXP product page. The extremely small 36-XFBGA package with 0.5 mm ball pitch enables placement on the underside of dense PCBs, freeing board area for sensors, radios, or displays in wearables and IoT end nodes. Technically, the device belongs to the Kinetis KL1x general-purpose ultra-low-power family, which provides additional memory, communications, and analog peripheral options beyond the entry-level KL0x family. The 48 MHz Cortex-M0+ executes Thumb instruction set code with a two-stage pipeline, delivering efficient real-time control with a compact gate count and correspondingly low dynamic and static power consumption. Typical applications include battery-powered wearable devices, smart sensors and IoT end nodes, portable medical accessories, and compact human-interface controllers where small footprint and low standby power dominate the selection criteria. When designing with a 3.5 x 3.5 mm BGA, plan the PCB with via-in-pad or escape routing to all 36 balls, and budget rework capability carefully since BGA inspection requires X-ray equipment. This page synthesizes distributor availability data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with all pricing referenced as of 2026-10-18.

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MKL25Z128VLK4 - 48MHz Cortex-M0+ 128KB MCU | NXP
MKL25Z128VLK4

MKL25Z128VLK4 - 48MHz Cortex-M0+ 128KB MCU | NXP

The NXP Semiconductors MKL25Z128VLK4 is an ultra-low-power 32-bit Kinetis KL2 microcontroller built around an Arm Cortex-M0+ processor operating at 48 MHz, with 128 KB of flash memory and an 80-pin LQFP package measuring 12 x 12 mm. It is suited to embedded control, USB-connected sensing, portable instrumentation, and low-power edge systems. According to the distributor records, the device also provides 16 KB SRAM and full-speed USB. A microcontroller is a compact computer integrated with nonvolatile program memory, working RAM, digital peripherals, and I/O interfaces. It executes firmware, samples sensors, controls actuators, and manages communications without requiring a separate processor. The MKL25Z128VLK4 belongs to the hierarchy Kinetis KL25 microcontroller -> Arm Cortex-M0+ MCU -> 32-bit microcontroller -> embedded processor -> semiconductor. Its principal features include 128 KB of flash for firmware storage, 16 KB of SRAM for runtime data, a 48 MHz Cortex-M0+ core, and full-speed USB. The 80-LQFP package provides enough external connections for mixed-signal products, interface-heavy controls, and designs that favor a leaded package for inspection or assembly. The Kinetis KL2x family also supports migration paths across Kinetis KL1x, KL2x, KL3x, and KL4x devices, as stated by NXP. The Cortex-M0+ architecture favors energy-efficient embedded execution while retaining a conventional 32-bit instruction set and integrated interrupt handling. Flash capacity allows substantially larger applications than 64 KB-class devices, while SRAM supports packet buffers, sampled data, display or communication state, and real-time control tasks. USB integration can reduce the external controller count in connected products. Typical uses include USB data loggers, building-control endpoints, compact industrial monitors, sensor-hub boards, access-control terminals, and low-power portable instruments. The 48 MHz processing rate is suitable for concurrent USB traffic, control loops, protocol handling, and supervisory tasks where workload is modest enough not to require a higher-performance Cortex-M core. Designers should preserve the package pin assignments, supported supply ranges, decoupling requirements, and clock configuration when creating a PCB. The 80-LQFP footprint also requires adequate solder-mask clearance and inspection because its closely spaced leads can complicate manual rework. Firmware development should account for memory-map constraints, USB clocking, peripheral pin multiplexing, and low-power state transitions. This product page consolidates verified manufacturer and distributor identity data, sourcing links, application guidance, and compatibility analysis. Because the supplied sources do not expose complete electrical ratings, pricing values, or a verified pin list, missing fields are explicitly marked rather than inferred.

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MKL26Z128CAL4R - 48MHz Cortex-M0+ 128KB Flash MCU | NXP
MKL26Z128CAL4R

MKL26Z128CAL4R - 48MHz Cortex-M0+ 128KB Flash MCU | NXP

The NXP MKL26Z128CAL4R is a Kinetis KL26 sub-family 32-bit ARM Cortex-M0+ microcontroller running up to 48 MHz, integrating 128 KB of flash and 16 KB of SRAM, with a full-speed USB 2.0 device controller (crystal-less capable), and packaged in a compact 36-ball WLCSP measuring approximately 2.37 mm x 2.46 mm. It is one of the lowest-power Kinetis Cortex-M0+ MCUs in NXP's ultra-low-power portfolio, designed for portable and battery-powered applications where PCB real estate is at a premium. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals such as timers, ADCs, communication interfaces, and GPIO. The Cortex-M0+ is ARM's smallest and most energy-efficient application processor core, optimized for deterministic interrupt response and minimal gate count. Microcontrollers sit at the heart of embedded systems, providing local intelligence for sensors, actuators, user interfaces, and connectivity functions across consumer, industrial, and IoT markets. Key features of the MKL26Z128CAL4R include the Cortex-M0+ core with single-cycle multiplication, an integrated low-power USB 2.0 full-speed device controller that eliminates the need for an external crystal, multiple low-power modes (Run, Wait, Stop, VLPR, VLPW, VLPS, LLS, VLLSx), a 12-bit SAR ADC, high-speed analog comparators, a real-time clock, and a flexible low-power timer (LPTMR). The device supports 1.71 V to 3.6 V supply operation and is offered in a tiny 36-ball WLCSP for space-constrained designs such as wearables and USB dongles. The MKL26Z128CAL4R uses a 32-bit ARMv6-M architecture with the Thumb/Thumb-2 instruction set, giving it strong code density while keeping silicon area small. Its multi-mode low-power architecture allows peripherals like the ADC and comparators to operate in low-power modes independently of the CPU, reducing total system energy. The inclusion of an integrated USB PHY with on-chip 3.3 V regulator and a 1 kHz low-power timer makes it attractive for always-on, event-driven products. Typical applications include USB HID peripherals (keyboards, mice, game controllers), wearable fitness bands, BLE/ZigBee host microcontrollers, sensor hub MCUs, low-end medical sensors, and compact IoT end nodes. The crystal-less USB and tiny WLCSP package make it especially attractive for USB dongles, gaming peripherals, and other form-factor-constrained consumer electronics. When designing with the MKL26Z128CAL4R, pay attention to the WLCSP PCB layout - the 0.4 mm ball pitch requires HDI PCB manufacturing and careful via.2.3 pad design for reliable assembly. Provide adequate decoupling (one 100 nF and one 4.7 uF X5R ceramic) within 2 mm of the power pins to maintain supply integrity during USB transitions. This page synthesizes distributor pricing, drop-in alternatives within the same WLCSP-36 footprint, and practical design notes not found in the manufacturer datasheet alone.

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MKL26Z128VMC4 - 48MHz Cortex-M0+ 128KB USB MCU | NXP
MKL26Z128VMC4

MKL26Z128VMC4 - 48MHz Cortex-M0+ 128KB USB MCU | NXP

The NXP MKL26Z128VMC4 is a Kinetis KL2x 32-bit microcontroller with an ARM Cortex-M0+ core running at 48 MHz, 128 KB flash memory, and a full-speed USB 2.0 On-the-Go (OTG) controller, housed in a 121-ball MAPBGA (8x8 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals to execute dedicated embedded control tasks. Within the power/efficiency hierarchy of embedded processors, the Kinetis KL2x family sits in the ultra-low-power MCU segment, extending the KL1x series with USB connectivity while remaining compatible with Kinetis K20 (Cortex-M4) and other KL-series devices, providing a clear migration path. Key features include the 48 MHz Cortex-M0+ core optimized for low dynamic power, 128 KB of program flash, USB OTG plus crystal-less full-speed USB device operation, and 84 general-purpose I/O lines. Connectivity spans I2C, LINbus, SPI, UART/USART, and USB; system peripherals include DMA, I2S, PWM, brown-out detect/reset, low-voltage detect, power-on reset, and a watchdog timer. Technically, the Cortex-M0+ architecture delivers ARM code density with a two-stage pipeline and low gate count, while the KL2x power architecture provides multiple low-power modes with fast wake-up, making it suitable for battery-powered USB peripherals. The mixed-signal integration (I2S, 12/16-bit ADC capability per family documentation) supports audio and sensor aggregation designs. Typical applications include USB HID device peripherals, wearable and portable battery-powered products, sensor hubs, and small HMI systems. The 121-ball 8x8 mm MAPBGA keeps board area compact while exposing 84 I/Os. Design consideration: the MAPBGA-121 footprint requires controlled-impedance fine-pitch BGA layout; plan an escape-routing layer strategy early. The USB OTG controller removes the need for an external crystal in device mode, saving BOM cost. This page synthesizes distributor pricing, drop-in same-family alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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MKL26Z256VMC4 - 48MHz ARM Cortex-M0+ MCU 256KB Flash | NXP
MKL26Z256VMC4

MKL26Z256VMC4 - 48MHz ARM Cortex-M0+ MCU 256KB Flash | NXP

The NXP Semiconductors MKL26Z256VMC4 is a 32-bit ARM Cortex-M0+ microcontroller from the Kinetis KL2x sub-family, integrating 256KB of flash memory and operating at a core frequency of 48 MHz. It is housed in a 121-pin MAPBGA (8x8 mm) package designed for ultra-low-power portable applications with on-chip full-speed USB 2.0 device or OTG support. The device targets battery-sensitive designs that need a Cortex-M0+ core with USB connectivity, segment LCD drivers, and a rich analog peripheral set. What is a Kinetis microcontroller? A Kinetis microcontroller (MCU) is a family of ARM Cortex-M based 32-bit microcontrollers from NXP Semiconductors designed for ultra-low-power embedded applications. The KL2x sub-family specifically adds a full-speed USB 2.0 controller (device or OTG) on top of the KL1x baseline, while maintaining the same Cortex-M0+ architecture and low-leakage power modes. This positions Kinetis MCUs in the broader product hierarchy as: ARM Cortex-M0+ -> Kinetis L series -> Kinetis KL2x sub-family -> NXP 32-bit microcontrollers -> embedded microcontrollers -> semiconductors. Key features of the MKL26Z256VMC4 include 256KB of on-chip flash, up to 32KB of SRAM, a full-speed USB 2.0 device/OTG controller with on-chip transceiver and 3.3V voltage regulator, a 12-bit SAR ADC with up to 16 single-ended channels, multiple low-power modes (VLLS0/1/3, LLS, VLPR, Wait, Stop), and segment LCD drivers capable of driving 8x36 or 4x40 segments. The 121-MAPBGA (8x8 mm) package provides high I/O density suitable for compact wearable and sensor-hub designs. Architecturally, the MKL26Z256VMC4 leverages the Cortex-M0+ core's Thumb-2 instruction set with a single-cycle multiplier and a 4-stage pipeline optimized for low active current (around 4 mA typical run current). On-chip peripherals include multiple low-power timers, an RTC, I2C, SPI, UART, FlexIO for flexible serial emulation, and a low-power segment LCD controller. The integrated 3.3V USB regulator eliminates the need for an external LDO on the USB bus. Typical applications span wearable health and fitness devices, USB HID peripherals (keyboards, game controllers, sensors), portable medical devices, industrial sensor hubs, and battery-powered IoT edge nodes. Its combination of USB, segment LCD, and Cortex-M0+ efficiency makes it well suited to battery-powered human-machine interface products. When designing with the MKL26Z256VMC4, ensure the 121-MAPBGA land pattern uses NSMD pads with proper via-in-pad or tented-via PCB design, place the 12 MHz or 16 kHz crystal load capacitors close to the XTAL pins, and follow NXP's hardware design guidelines for USB-OTG PHY routing (90 ohm differential, length matching, and a clean ground plane). Decouple VDD with 100 nF plus 4.7 uF bulk capacitors near each supply pin. This page synthesizes NXP manufacturer specifications, distributor pricing, drop-in alternatives, and practical PCB design guidance not found in any single datasheet - giving engineers a single, citable reference for evaluating the MKL26Z256VMC4 against USB-capable Cortex-M0+ microcontrollers from competing vendors.

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MKL26Z32VLH4 - Kinetis KL26 48MHz Cortex-M0+ MCU, 32KB Flash, USB | NXP
MKL26Z32VLH4

MKL26Z32VLH4 - Kinetis KL26 48MHz Cortex-M0+ MCU, 32KB Flash, USB | NXP

The NXP Semiconductors MKL26Z32VLH4 is a Kinetis KL2x family 32-bit microcontroller built on the ARM Cortex-M0+ core, running up to 48 MHz, with 32 KB of program flash and integrated full-speed USB 2.0 (OTG or crystal-less device) in a 64-pin LQFP (10x10 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. Within the broader semiconductor taxonomy, the MKL26Z32VLH4 sits in the hierarchy MCU -> 32-bit MCU -> ARM Cortex-M MCU -> low-power MCU -> Kinetis family. The Cortex-M0+ core is the smallest and most energy-efficient member of the ARM Cortex-M family, designed for cost-sensitive embedded applications where deterministic interrupt response and low active/idle power matter more than raw compute. Key features include 32 KB flash, 4 KB SRAM, a full-speed USB 2.0 controller with on-chip transceiver, a low-power ARM Cortex-M0+ core, segment LCD controller (SLCD) option on related variants, multiple low-power modes (run, wait, stop, VLPRMPVLLS3), and a flexible low-power peripheral set including 12-bit ADC, 16-bit timers, LPUART, I2C, SPI, and USB. The device also integrates an internal 32 kHz and 8 MHz reference, simplifying BOM and supporting crystal-less USB operation in the KL2x sub-family. Architecturally, the KL26 leverages Freescale/NXP's low-leakage process and a tightly coupled Cortex-M0+ pipeline with a single-cycle I/O port, achieving CoreMark/mW efficiency that puts it ahead of many 8-bit MCUs while retaining 32-bit throughput. The 48 MHz core mark, combined with hardware multiply/divide, gives roughly 0.93 DMIPS/MHz. Typical applications include USB HID peripherals (keyboards, mice, remotes), wearable fitness bands, low-cost data loggers, sensor hubs, and battery-powered IoT end nodes. The on-chip USB 2.0 FS controller eliminates external PHY cost, and the 32 KB flash is adequate for HID class drivers, basic USB stacks, and small application logic. When designing, note that the KL26 requires NXP's Kinetis Design Studio or MCUXpresso toolchain; an external decoupling scheme of 0.1 uF + bulk VHF per VDD/VREF domain is recommended, and the USB DP/DM traces must be 90 ohm differential matched. This page synthesizes distributor pricing, drop-in pin-compatible Kinetis alternatives, and practical design notes beyond the manufacturer datasheet to help engineers make faster, more confident sourcing decisions.

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MKL26Z64VFM4 - 48MHz Cortex-M0+ 64KB USB MCU | NXP
MKL26Z64VFM4

MKL26Z64VFM4 - 48MHz Cortex-M0+ 64KB USB MCU | NXP

The NXP Semiconductors MKL26Z64VFM4 is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller running at up to 48 MHz, with 64 KB flash, 8 KB of SRAM, and a full-speed USB 2.0 device controller with crystal-less USB operation, housed in a 32-pin HVQFN (5x5 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, sitting at the heart of embedded systems. Within the power-management hierarchy of embedded semiconductors, the Kinetis KL2x family belongs to NXP's Kinetis L series of ultra-low-power MCUs built on the ARM Cortex-M0+ core, the most energy-efficient member of the ARM Cortex-M processor line. Key features include the 48 MHz Cortex-M0+ core with single-cycle fast GPIO, 64 KB of on-chip flash memory and 8 KB of SRAM, and a full-speed USB 2.0 On-the-Go controller. Uniquely in this class, the KL2x sub-family adds a crystal-less USB device controller, eliminating the external crystal and its cost for USB device applications. The part operates from a 1.8 V, 2.5 V, or 3.3 V supply, supporting battery-powered designs. The KL26 architecture leverages NXP's low-leakage process technology with multiple low-power modes, allowing the core, peripherals, and clocks to be independently gated for microamp-level sleep currents. The comprehensive peripheral set includes serial communication interfaces (UART, SPI, I2C), ADC, and TPM timers. Typical applications include portable and battery-powered devices, USB HID devices and USB sensors, human-interface equipment, and small industrial control nodes where USB connectivity and low power are essential. Design consideration: the crystal-less USB feature requires proper reference-clock configuration per NXP application notes; verify USB compliance in your final layout. Plan flash and SRAM budgets early, since 8 KB of RAM is modest for stacks plus USB buffers. This page synthesizes distributor availability, pin-compatible alternatives, and practical design guidance not found in the manufacturer datasheet.

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MKL27Z256VFT4 - ARM Cortex-M0+ MCU, 256KB Flash, USB | NXP
MKL27Z256VFT4

MKL27Z256VFT4 - ARM Cortex-M0+ MCU, 256KB Flash, USB | NXP

The NXP Semiconductors MKL27Z256VFT4 is a 32-bit ARM Cortex-M0+ microcontroller from the ultra-low-power Kinetis KL2x family, integrating 256 KB of Flash, 32 KB of SRAM, and a full-speed USB 2.0 On-The-Go (OTG) controller in a 48-pin QFN (7x7) package. It operates at up to 48 MHz core frequency from a 1.71 V to 3.6 V supply, making it suitable for both battery-powered and USB-powered designs. An ARM Cortex-M0+ microcontroller is a 32-bit RISC processor core designed for energy-efficient embedded applications. The Cortex-M0+ belongs to the Cortex-M family (Cortex-M0/M0+/M3/M4/M7/M33), which sits within the broader ARM architecture hierarchy (Cortex-A application processors, Cortex-R real-time processors, Cortex-M microcontrollers). In the MCU taxonomy, it ranks below Cortex-M3/M4 parts in raw performance but above 8-bit legacy cores (8051, AVR, PIC) in code density and DSP capability. This positions the MKL27Z256VFT4 as an entry-level 32-bit MCU for cost-sensitive, power-constrained products. Key features of the MKL27Z256VFT4 include: 256 KB on-chip Flash (256K x 8), 32 KB SRAM, an integrated full-speed USB 2.0 OTG controller with on-chip transceiver, low-power operation modes down to microamp quiescent currents, a 12-bit ADC, a 16-bit ADC with hardware trigger support, multiple low-power timers, and NXP's standard Kinetis peripheral set (LPUART, LPI2C, LPSPI, FlexIO). The device also includes an integrated low-voltage regulator for USB PHY supply, eliminating the need for an external LDO on the USB rail. Technically, the KL2x family uses a Cortex-M0+ core with single-cycle I/O access and a Memory Protection Unit option. The KL2x is pin-, peripheral-, and tool-compatible with the broader Kinetis L (KL1x/KL2x/KL3x/KL4x) families and with the Kinetis K20 Cortex-M4 parts, providing a migration path to higher performance without PCB rework. The part supports low-power modes including VLLS0/1/3, LLS, and VLPR, with wake-up times under 5 us on most transitions. Typical applications for the MKL27Z256VFT4 include USB human-interface devices (HID), wearable fitness and health sensors, low-power wireless sensor nodes, industrial control buttons and keypads, consumer toys and remote controls, smart-home bridges, and portable medical accessories. Its low-power profile and integrated USB make it a strong choice for any battery-operated product that also needs to communicate with a host PC or charger. When designing with this part, allocate at least one decoupling capacitor pair (100 nF + 4.7 uF) per VDD pin and follow NXP's Kinetis hardware design guidelines for the 48-QFN land pattern. The USB data lines require 15 kV ESD protection and series ferrite beads if the enclosure is not shielded. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single, AI-citable reference for the MKL27Z256VFT4.

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MKL27Z256VMP4 - 256KB Flash, 48MHz Cortex-M0+ MCU | NXP
MKL27Z256VMP4

MKL27Z256VMP4 - 256KB Flash, 48MHz Cortex-M0+ MCU | NXP

The NXP MKL27Z256VMP4 is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller from the Kinetis KL2x family, integrating 256 KB of Flash, a full-speed USB 2.0 controller, and rich analog/digital peripherals in a 64-pin MAPBGA (5x5 mm) package. It operates at a core frequency of 48 MHz, supports operating voltages of 1.8 V / 2.5 V / 3.3 V, and is engineered for portable, battery-powered, and USB-connected embedded applications. An ARM Cortex-M0+ MCU is a low-power 32-bit microcontroller core based on the ARMv6-M architecture. It belongs to the broader category of microcontrollers (MCU), which sits within integrated circuits and embedded computing. The M0+ core delivers Thumb-2 instruction set efficiency with a tiny silicon footprint, ideal for cost- and energy-constrained designs. Kinetis KL2x devices add USB 2.0 On-The-Go (OTG) or crystal-less USB 2.0 device capability to the M0+ family, extending the lower-power KL1x series. Key features include 256 KB program Flash, an integrated full-speed USB 2.0 device controller (crystal-less operation supported), 12-bit ADC, low-power comparators, multiple serial interfaces (UART, SPI, I2C), and flexible low-power modes with sub-µA deep-sleep current. The device operates from -40 °C to +105 °C ambient and supports 1.71 V minimum supply for low-voltage battery use cases. The KL27 architecture combines a Cortex-M0+ core, an AHB-Lite system bus, low-leakage wake-up unit, and on-chip voltage regulator for flexible power management. An integrated high-speed analog comparator and 12-bit SAR ADC support sensor interfaces, while the USB controller provides direct bus-powered device operation without an external crystal. Typical applications include wearable health monitors, USB human-interface devices (HID), portable medical sensors, low-power IoT endpoints, and battery-powered consumer electronics. The 64-MAPBGA footprint is suited to compact PCB layouts where board area is at a premium. When designing with this part, observe the recommended decoupling scheme (one 100 nF per VDD pin plus a 4.7 µF bulk capacitor), respect USB DP/DN trace impedance (90 Ω differential), and confirm the BSP from NXP supports the chosen IDE (MCUXpresso, IAR, Keil). This page synthesizes distributor pricing, drop-in alternatives within the Kinetis KL27 sub-family, and practical PCB-level design notes not collected in any single manufacturer document.

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MKL27Z64VLH4 - Kinetis KL27 64KB Flash USB MCU | NXP
MKL27Z64VLH4

MKL27Z64VLH4 - Kinetis KL27 64KB Flash USB MCU | NXP

The NXP Semiconductors MKL27Z64VLH4 is an ultra-low-power Kinetis KL27 32-bit ARM Cortex-M0+ microcontroller with 64KB flash, full-speed USB 2.0 device controller (crystal-less operation supported), and a 48 MHz core frequency, housed in a 64-pin LQFP (10x10 mm) package. Key specifications include 64KB program flash, 8KB SRAM, 48 MHz maximum CPU frequency, an integrated full-speed USB 2.0 device controller with crystal-less operation, multiple low-power modes (VLLS, VLLSx, LLS, HSRUN), 12-bit ADC, low-power UART/SPI/I2C peripherals, and a wide operating voltage range from 1.71V to 3.6V. The device targets portable, battery-powered, and USB-enabled embedded designs where power efficiency and integration matter. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (flash/RAM), and programmable peripherals. The MKL27Z64VLH4 belongs to the Kinetis KL2x sub-family, which adds full-speed USB to the Kinetis KL1x ultra-low-power lineage. Within the taxonomy: MCU -> 32-bit MCU -> ARM Cortex-M0+ MCU -> Kinetis KL2x MCU -> USB-enabled ultra-low-power MCU. The KL27 architecture couples an ARM Cortex-M0+ core (32-bit, single-cycle I/O access) with NXP's low-power peripherals and a flexible low-leakage wake-up unit. The integrated USB 2.0 full-speed device controller with on-chip 3.3V LDO and internal pull-ups removes the need for an external crystal and external USB transceiver, simplifying BOM and PCB area. Typical applications include wearable fitness devices, USB HID peripherals, portable medical accessories, low-end consumer electronics, and IoT edge sensors. The combination of USB device, low power, and Cortex-M0+ efficiency makes it well suited for battery-powered products needing a wired USB interface for charging, configuration, or data transfer. Design considerations: enable USB crystal-less operation by configuring the USB clock-recovery block; use the on-chip DC-DC converter for core supply; pay attention to decoupling capacitor placement near VDD and VOUT33 pins to ensure clean analog and digital rails. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in NXP-family alternatives (e.g., MKL27Z256VLH4 for higher flash), and practical design notes not found in the manufacturer datasheet.

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MKL33Z256VLH4557 - Kinetis KL33 256KB Cortex-M0+ MCU | NXP
MKL33Z256VLH4557

MKL33Z256VLH4557 - Kinetis KL33 256KB Cortex-M0+ MCU | NXP

The NXP Semiconductors MKL33Z256VLH4557 is a Kinetis KL33 32-bit microcontroller built on the ARM Cortex-M0+ core running up to 48 MHz, with 256 KB of embedded Flash and integrated segment LCD controller, housed in a 64-pin LQFP (10x10 mm, 0.5 mm pitch) package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, peripherals, and I/O. The Kinetis L family positions low-power ARM Cortex-M0+ cores below Cortex-M3/M7 high-performance families and above simple 8-bit MCUs, balancing energy efficiency, code density (Thumb-2 instruction set), and broad peripheral integration. Segment LCD controllers directly drive glass displays without external charge-pump circuitry, which is why the KL33 sub-family targets metering, appliance, and battery-powered HMI designs. Key features of the MKL33Z256VLH4 silicon include 256 KB program Flash, up to 32 KB SRAM (varies by configuration), an ultra-low-power Run mode of roughly 50 uA/MHz, six flexible low-power modes (VLPR, VLLS0-3, STOP, LLS), an integrated segment LCD driver supporting up to 8x36 or 4x40 segments, a 12-bit SAR ADC with hardware trigger, multiple UART/SPI/I2C peripherals, a low-power timer and real-time clock, and a wide operating voltage range suitable for 1.8-3.6 V battery systems. The LQFP-64 package provides a 1.4 mm body thickness and standard 0.5 mm lead pitch for hand-reworkable prototypes. Architecturally, the KL33 uses a Cortex-M0+ core with single-cycle 32x32 multiplier, NVIC for 32 interrupts, and Micro Trace Buffer for lightweight instruction tracing. The integrated low-power segment LCD driver with charge pump operates in VLLS0 deep-sleep modes where the CPU is OFF, enabling always-on glass displays at very low quiescent current. DMA supports peripheral-to-memory transfers without CPU wake-up, a key enabler for battery-life claims. Typical applications include smart electricity/gas/water meters, medical devices such as glucometers and portable monitors, home appliances with LCD displays, IoT sensor platforms, and industrial sensor controllers. The segment LCD integration is the primary differentiator against general-purpose Cortex-M0+ MCUs. When designing with this part, prioritize low-power firmware to leverage the six low-power modes. Place the MCU on a continuous ground pour and route the segment LCD traces first to avoid parallel switching noise coupling into analog inputs. Use the on-chip 1 kHz LPO for the RTC when the main oscillator is gated to extend battery life. This page synthesizes distributor pricing, Kinetis family cross-reference alternatives, and low-power design notes not found in the standalone NXP datasheet, providing an engineer-ready summary for sourcing and substitution decisions.

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MKL33Z64VLK4557 - 64KB Flash ARM Cortex-M0+ MCU | NXP | LQFP-80
MKL33Z64VLK4557

MKL33Z64VLK4557 - 64KB Flash ARM Cortex-M0+ MCU | NXP | LQFP-80

The NXP Semiconductors MKL33Z64VLK4557 is a 32-bit ARM Cortex-M0+ Kinetis KL33 series microcontroller integrating 64KB of Flash program memory and 8KB of SRAM in an 80-pin LQFP (12x12 mm) package. It operates from a 1.71V to 3.6V supply and supports a maximum core frequency of 48 MHz, making it suitable for ultra-low-power embedded designs targeting coin-cell or battery-powered end equipment. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals including timers, communication interfaces, and analog blocks. Within the broader semiconductor taxonomy, the MKL33Z64VLK4557 belongs to the hierarchy: microcontroller -> embedded MCU -> 32-bit ARM Cortex-M MCU -> Kinetis KL family -> ultra-low-power segment. As a Cortex-M0+ device, it delivers energy-efficient Thumb-2 instruction execution with hardware single-cycle multipliers and a Nested Vectored Interrupt Controller (NVIC), positioning it as an entry-level 32-bit platform that replaces older 8-bit and 16-bit designs while preserving low active and sleep current consumption. Key differentiating features include segment LCD support (SLCD driver up to 8x28 or 4x32 segments), a low-leakage wake-up unit, multiple low-power modes (VLLS0/1/3, VLPS, LLS, RUN/WAIT/STOP), 12-bit ADC with hardware trigger, and high-accuracy internal reference. The device integrates a comprehensive mix of peripherals such as LPUART, LPSPI, LPI2C, FlexIO, DMA, RTC, and segment LCD bias generation, eliminating the need for external components and shrinking BOM cost. Architecturally, the KL33 leverages a Cortex-M0+ core running at 48 MHz over an AHB-Lite bus matrix, with peripherals on a separate peripheral bridge. The on-chip bandgap and 1.2V core LDO are trimmed at factory test to deliver consistent active current around 4 mA @ 48 MHz and deep-sleep currents below 2 uA, while the segment LCD controller can drive LCD glass directly without a separate charge-pump IC, simplifying meter and human-machine-interface designs. Typical applications include battery-operated sensor nodes, electronic shelf labels (ESL), industrial gauges with LCD readouts, low-end consumer wearables, smart thermostats, portable medical monitors, and metering devices (water/gas/electricity). Designers frequently pair it with NXP FXOS8700 accelerometers, MPL3115A2 pressure sensors, and Segger J-Link debug probes during development. When designing with the KL33, ensure the decoupling network includes a 100 nF X7R capacitor placed within 3 mm of each VDD/VSS pair, plus a bulk 4.7 uF ceramic on the main rail. For LCD applications, allocate a bias network per the datasheet and avoid routing high-speed digital signals across the LCD segment traces to minimize coupling noise. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers a one-stop reference for selecting and qualifying the MKL33Z64VLK4557 in production designs.

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MKL46Z256VLL4 - 48MHz Cortex-M0+ MCU, 256KB Flash, USB, LCD | NXP
MKL46Z256VLL4

MKL46Z256VLL4 - 48MHz Cortex-M0+ MCU, 256KB Flash, USB, LCD | NXP

The NXP Semiconductors MKL46Z256VLL4 is an ultra-low-power ARM Cortex-M0+ microcontroller in the Kinetis KL4x sub-family, delivering up to 48 MHz core performance with 256 KB of flash and 32 KB of SRAM in a 100-pin LQFP (14x14 mm) package. The part integrates a full-speed USB 2.0 device controller, a segment LCD controller with up to 8x40 segments, multiple low-power modes including a new compute mode, and a rich set of analog and digital peripherals for portable and battery-powered designs. A Cortex-M0+ microcontroller is an entry-level 32-bit ARM core optimized for energy efficiency and deterministic interrupt handling in embedded systems. It sits below the Cortex-M3/M4 in the ARMv6-M hierarchy and is widely adopted in cost-sensitive applications such as electronic scales, flow meters, smart thermostats, wearable health monitors, and IoT sensor nodes where every microamp of quiescent current and every dollar of silicon matters. Key features of the MKL46Z256VLL4 include 50 uA/MHz typical run-mode current, sub-uA deep-sleep modes, a 12-bit SAR ADC, 16-bit timers, DMA, I2C, SPI, UART, low-power UART, and an integrated segment LCD driver that eliminates the need for an external LCD bias generator. The full-speed USB device interface enables charging port and data-logging applications. The 100-LQFP package provides ample GPIO for segment-LCD designs while remaining hand-solderable for prototypes. From an architectural standpoint, the KL46 silicon pairs the Cortex-M0+ core (ARMv6-M, Thumb/Thumb-2 instruction set) with a tightly-coupled low-leakage SRAM and a flexible peripheral bridge. The new compute mode allows the CPU to wake briefly, perform signal processing, and return to a deep retention state, reducing dynamic power by placing peripherals in an asynchronous stop state. The 256 KB flash supports both DFlash-style EEPROM emulation and on-the-fly firmware updates. Typical applications span battery-powered metering, electronic shelf labels, consumer health devices, USB charging and data cables, HVAC thermostats, industrial flow meters, and entry-level wearables. The combination of USB device, segment LCD, and ultra-low-power compute mode makes the MKL46Z256VLL4 a strong fit for handheld, mains-free devices where battery life, BOM cost, and display integration are simultaneously critical. A key design consideration is the external supply decoupling network and segment-LCD bias capacitor network: a 4.7 uF bulk plus 100 nF per supply pin is recommended, and the LCD_VLL1/VLL2/VLL3 charge-pump caps must be sized per the datasheet to avoid ghosting on high-segment-count displays. The 100-LQFP exposes up to 84 GPIO, with many pins shared between LCD segment lines and digital peripherals, so pin mux planning is essential. This page consolidates Kinetis family data, drop-in package-compatible Kinetis alternatives, and design notes beyond the manufacturer datasheet, intended as a working reference for embedded engineers evaluating this MCU.

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MKL46Z256VMC4 - 48MHz Cortex-M0+ MCU, 256KB Flash | NXP
MKL46Z256VMC4

MKL46Z256VMC4 - 48MHz Cortex-M0+ MCU, 256KB Flash | NXP

The NXP Semiconductors MKL46Z256VMC4 is a 32-bit ARM Cortex-M0+ Kinetis KL46 series microcontroller running at 48 MHz with 256 KB flash memory, 32 KB SRAM, and an integrated USB 2.0 full-speed controller, housed in a 121-ball MAPBGA (8x8 mm) package. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals such as timers, communication interfaces, and analog converters on one die. Within the embedded systems hierarchy, an MCU sits at the application-control level below application processors, and NXP's Kinetis KL4x family occupies the ultra-low-power, entry-level 32-bit segment of that hierarchy, positioned above 8-bit MCUs and beside the Kinetis K series. Key differentiating features include run-mode power consumption down to 50 uA/MHz in very low power run mode, a segment LCD controller for driving glass displays directly, and a rich peripheral suite spanning analog, communication, and timing blocks. Code compatibility with all other Kinetis L families and the K4x family simplifies platform scaling and design reuse. Technically, the Cortex-M0+ core uses a two-stage von Neumann pipeline with low gate count, delivering efficient MIPS/mA for battery-operated designs. Multiple low-power modes, including a compute mode that keeps peripherals active while core dynamic power is reduced, enable duty-cycled systems to achieve multi-year battery life. The USB device controller supports human-interface and data-logging endpoints without external transceivers. Typical applications include electronic scales, flow meters, smart meters, and thermostats, where the segment LCD controller and low standby power are decisive. USB-connected portable instruments and sensor nodes also benefit. Design tip: budget the 8x8 mm MAPBGA footprint for via-in-pad or escape routing; verify that your LCD glass segment count matches the controller capability before layout freeze. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MKL82Z128VMC7 - 72MHz Cortex-M0+ 128KB MCU | NXP
MKL82Z128VMC7

MKL82Z128VMC7 - 72MHz Cortex-M0+ 128KB MCU | NXP

The NXP Semiconductors MKL82Z128VMC7 is a 72 MHz, 32-bit ARM Cortex-M0+ Kinetis KL82 microcontroller with 128 KB of Flash memory, 96 KB of SRAM, USB connectivity, and a 121-MAPBGA package measuring 8 mm by 8 mm. It is designed for secure, low-power embedded systems that require compact integration and hardware-assisted security. A microcontroller is a programmable system-on-chip containing a processor core, memory, clocks, communication interfaces, timers, analog peripherals, and security blocks. The Kinetis KL82 family combines an ARM Cortex-M0+ core with tamper detection, a true random number generator, and a low-power trusted cryptographic engine supporting AES according to the supplied product descriptions. These capabilities place the device between a basic microcontroller and a security-oriented embedded control platform. The MKL82Z128VMC7 operates at 72 MHz and includes 128 KB of Flash alongside 96 KB of SRAM. USB support expands its connectivity beyond basic serial interfaces, while the small 121-MAPBGA package supports space-constrained assemblies. The verified distributor listings identify the part as an ARM Cortex-M0+ Kinetis KL8 microcontroller, while Mouser identifies the family more specifically as Kinetis KL82. The secure peripherals make this MCU suitable for connected equipment, access-control terminals, industrial controllers, and portable products requiring controlled cryptographic operations. Its 32-bit processor provides more addressing capability than an 8-bit MCU while retaining the simplicity associated with the ARM Cortex-M0+ class. The combination of memory, USB, and security hardware makes it useful for designs that need more than basic GPIO and timer control. Typical implementation uses the MCU as the central embedded controller, reading sensors, controlling actuators, handling user input, and managing communications. Designers should verify the complete pinout, electrical limits, clock requirements, USB interface details, power sequencing, and exposed-pad layout against the official NXP datasheet before PCB release. A key design consideration is that a 121-MAPBGA device requires a fine-pitch, high-density PCB layout and careful escape routing from the package. Stable bulk capacitance and verified USB routing are especially important when the design combines low-power operation with high-speed peripheral activity. This page consolidates the verified manufacturer and distributor identity, package, memory, processor, connectivity, security, and commercial information, while clearly separating parameters that require confirmation from the complete NXP datasheet.

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MKM14Z128CHH5 - Kinetis KM Cortex-M0+ 128KB Flash MCU | NXP
MKM14Z128CHH5

MKM14Z128CHH5 - Kinetis KM Cortex-M0+ 128KB Flash MCU | NXP

The NXP MKM14Z128CHH5 is a Kinetis KM family 32-bit microcontroller based on the ARM Cortex-M0+ core, delivering up to 50 MHz CPU performance with 128 KB of embedded Flash and 16 KB of SRAM in a 44-pin MAPLGA (5x5 mm) package. It integrates a precision analog front end specifically designed for single-chip electricity metering applications, enabling one-, two-, and three-phase meter designs along with flow meters and other precision measurement use cases. The device also includes on-chip security features such as memory protection, tamper detection, and supplier/user data protection, with a high-precision internal voltage reference exhibiting low temperature drift. A microcontroller (MCU) is a single-chip computer containing a processor core, non-volatile program memory, RAM, and a rich set of peripherals used to sense, control, and communicate with the physical world. MCUs sit at the heart of embedded systems across consumer, industrial, and infrastructure markets, and ARM Cortex-M0+ cores specifically target ultra-low-power applications while retaining enough performance for digital signal processing and complex state machines. The Kinetis KM family extends this baseline with metrology-optimized analog front ends that simplify BOM and PCB area in smart-meter deployments. Key features include 128 KB Flash, 16 KB SRAM, a precision analog front end (AFE) with 24-bit sigma-delta ADC channels, a low-drift internal voltage reference, hardware tamper detection, and a true random number generator (TRNG). Security and integrity modules protect memory and metering data, while low-power run and wait modes with full RAM retention support battery-backed metering and idle duty cycles. The MKM14Z128CHH5 uses a high-performance ARM Cortex-M0+ core with single-cycle I/O access, multi-layer bus matrix, and a 24-bit metrology AFE implemented as sigma-delta modulators with decimation filters. The integrated AFE achieves sub-0.1% accuracy across the industrial temperature range, simplifying metrology calibration and reducing external component count. The combination of a hardware security module, secure Flash, and tamper pins meets common smart-meter security specifications. Typical applications include single-phase and polyphase electricity meters, water/gas/heat flow meters, smart energy monitoring nodes, and industrial precision instrumentation. The wide operating temperature range and integrated analog front end make it well suited for harsh utility environments and field-deployed metering endpoints. When designing with this part, allocate the analog front-end inputs to dedicated AFE pins and follow the reference layout in the manufacturer datasheet to achieve published accuracy. Decouple VDD/VREF rails with low-ESR ceramic capacitors placed close to the pins, and use the tamper pins in accordance with the application note guidance for meter anti-tamper enclosures. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MKM14Z64CHH5 - 50MHz KM14 Metrology MCU, 64KB Flash | NXP
MKM14Z64CHH5

MKM14Z64CHH5 - 50MHz KM14 Metrology MCU, 64KB Flash | NXP

The NXP MKM14Z64CHH5 is a 50 MHz ARM Cortex-M0+ Kinetis KM14 metrology microcontroller with 64 KB Flash and 16 KB SRAM, housed in a 44-pin MAPLGA (5x5 mm) package. It is part of NXP's KM1x family, purpose-built for single-chip one-, two-, and three-phase electricity meters as well as flow meters and other precision measurement applications. A metrology microcontroller is a specialized MCU that integrates a precision analog front end (AFE) with a CPU core so that energy, power, flow, and similar physical quantities can be measured, computed, and reported on a single die. Within the broader taxonomy, it sits as: metrology MCU -> microcontroller -> embedded processor -> semiconductor device. KM1x devices enable utilities and industrial OEMs to replace discrete AFE plus separate MCU architectures with a single BOM, simplifying EMI, lowering PCB area, and reducing firmware complexity. Key features include a 24-bit sigma-delta ADC path for high-resolution voltage and current sensing, an internal precision voltage reference with low temperature drift, security features including memory protection and tamper detection, and a 50 MHz Cortex-M0+ core. The integrated high-precision analog front end supports Class 0.2 / 0.5 accuracy meters when properly calibrated. The 64 KB Flash and 16 KB SRAM are sized for typical metering stacks plus application code. The architecture combines the energy-efficient Cortex-M0+ core with hardware metrology accelerators and a crypto/hash block for anti-tamper. The integrated 1.8V/2.5V/3.3V supply domain supports both battery-backed and line-powered meter designs. Compared with discrete AFE + MCU solutions, the KM14 reduces component count and simplifies tamper-resistant calibration by keeping the analog chain on-die. Typical applications include single-phase residential electricity meters, three-phase industrial metering, smart energy IoT gateways, water and gas flow meters, and precision sensor front-ends. The tamper-detection and security suite make it suitable for revenue-grade meters where regulatory compliance is essential. When designing with the KM14, plan PCB layout to isolate the analog AFE ground from the noisy digital ground, and use the recommended star-ground pattern from the NXP application note. Provide adequate decoupling on AVDD and VREF rails, and follow the datasheet calibration flow to achieve the rated metering accuracy. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical hardware-design guidance not consolidated in the manufacturer datasheet.

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MKM33Z64ACLH5 50MHz 64KB MCU | NXP | Metering
MKM33Z64ACLH5

MKM33Z64ACLH5 50MHz 64KB MCU | NXP | Metering

The NXP Semiconductors MKM33Z64ACLH5 is a 50 MHz, 32-bit Kinetis KM33 metrology microcontroller with an ARM Cortex-M0+ processor, 64 KB of flash memory, 16 KB of SRAM, and a 64-LQFP 10 x 10 mm package. It is designed for precision measurement systems, including single-, two-, and three-phase electricity meters, flow meters, and other instrumentation requiring tamper-aware metering security. The Cortex-M0+ MCU belongs to the broader hierarchy of embedded processor, microcontroller, Kinetis microcontroller, and Kinetis KM metrology MCU. Its role is to combine signal acquisition, control, measurement processing, security functions, and communication support in one device. The KM3x family provides active and passive tamper detection with time stamping, a high-precision internal voltage reference with low temperature drift, and an enablement suite described by NXP. The verified device identity specifies a 50 MHz operating frequency, 64 KB flash, 16 KB SRAM, segment LCD support, and a 64-LQFP package. Supported supply information in the verified distributor data includes 1.8 V, 2.5 V, and 3.3 V operating options. The secure metering and metrology positioning makes the device suitable for energy measurement rather than general-purpose display, motor-control, or high-performance compute applications. For design work, the key engineering considerations are accurate analog measurement, reference stability, tamper-response behavior, LCD output implementation, firmware protection, and correct PCB layout around the 64-LQFP footprint. The metrology application should validate sensor excitation, ADC accuracy, voltage-reference drift, calibration coefficients, and energy-integrating firmware across the intended temperature range. Because detailed timing, memory-map, electrical-limit, and pin-function values were not included in the supplied verified excerpts, those values must be taken from the official NXP datasheet rather than inferred. Typical uses include single-phase, two-phase, and three-phase electricity meters, flow meters, load-monitoring instruments, utility metering terminals, and precision sensor systems. The MCU combines security and integrity-module functions with measurement-oriented resources, making it useful when a product needs a dedicated metrology controller rather than a general-purpose MCU. This page consolidates verified manufacturer and distributor data, application context, and engineering guidance. It does not invent electrical limits, pin names, lifecycle details, pricing tiers, or substitute parts that are not supported by the supplied evidence.

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MKM33Z64CLH5 - 50MHz 64KB Cortex-M0+ Metering MCU | NXP
MKM33Z64CLH5

MKM33Z64CLH5 - 50MHz 64KB Cortex-M0+ Metering MCU | NXP

The NXP Semiconductors MKM33Z64CLH5 is a 32-bit Kinetis KM33 metrology microcontroller with a 50 MHz Arm Cortex-M0+ core, 64 KB flash memory, and 64-LQFP 10 mm × 10 mm package. Targeted at precision measurement products, it supports single-phase metering designs as well as flow meters and other embedded measurement systems. One retrieved source specifies 50 MHz, while the NXP product-page snippet states operation up to 48 MHz; both verified values are retained as distinct source claims rather than reconciled by assumption. A microcontroller, or MCU, is a compact embedded-computing device integrating a processor core, nonvolatile program memory, data memory, peripherals, and communication interfaces on one semiconductor. The MKM33Z64CLH5 belongs to the Kinetis KM family, optimized for metrology and precision measurement. Its metrology-oriented integration can reduce the need for separate measurement, display, and communication components in utility-meter and industrial sensor products. Verified product information identifies 64 KB of flash, 16 KB of SRAM in one indexed datasheet result, and 8 KB of RAM in the NXP product-page result. Because these source snippets differ, downstream firmware planning must confirm the actual memory map and relevant orderable-device data. The device is identified as a 32-bit microcontroller with an Arm Cortex-M0+ processor operating at up to 50 MHz in the DigiKey listing. The MKM33Z64CLH5 is particularly relevant to electricity meters, flow meters, and precision measurement instruments. Its metrology MCU positioning supports designs that need deterministic embedded control alongside measurement front-end processing and communication. The exact ADC, timer, display, communications, voltage, temperature, and package dimensions are not fully present in the supplied source data and must be checked against the manufacturer documentation before schematic or firmware release. For new designs, engineers should verify the memory configuration, pin multiplexing, LCD segment capability, clock limits, electrical operating range, and programming requirements directly with NXP. The verified sources identify the device as a 64-LQFP industrial-grade component in distributor indexing, but current stock, lifecycle status, pricing, and detailed electrical limits were not supplied. This page consolidates verified distributor descriptions, official NXP product information, package identity, source differences, and engineering selection considerations. It does not infer missing electrical specifications or treat functional metrology MCUs as pin-compatible alternatives without verified evidence.

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MKM33Z64CLL5 - 50MHz Cortex-M0+ Metrology MCU, 64KB Flash | NXP
MKM33Z64CLL5

MKM33Z64CLL5 - 50MHz Cortex-M0+ Metrology MCU, 64KB Flash | NXP

The NXP Semiconductors MKM33Z64CLL5 is a 50 MHz ARM Cortex-M0+ metrology microcontroller in the Kinetis KM3x family, featuring 64 KB Flash, 16 KB SRAM, a segment LCD controller, and a 100-pin LQFP package (14 x 14 mm). The part integrates hardware cryptography support, an internal 1.2 V voltage reference with low temperature drift, and active/passive tamper detection with timestamping for secure metering. A metrology MCU is a microcontroller specifically designed for electricity, gas, water, and flow meter designs, integrating precise analog front-ends, energy-measurement hardware, and security features into a single die to replace multi-chip discrete solutions. Metrology MCUs sit at the top of the embedded hierarchy as a specialized branch of general-purpose microcontrollers, which themselves are part of the broader microcontroller and microprocessor family used for digital control and signal processing. Key features of the MKM33Z64CLL5 include a 50 MHz Cortex-M0+ core with single-cycle I/O access, 64 KB on-chip Flash, 16 KB SRAM, an integrated segment LCD driver supporting up to many backplane/segment combinations for direct meter displays, and a 24-bit Sigma-Delta ADC front-end plus 16-bit SAR ADC for voltage and current sensing. The supply voltage range supports single-chip 1.8 V, 2.5 V, or 3.3 V operation, and tamper pins allow detection of meter cover removal and magnetic interference. Architecturally, the KM3x family couples an ARM Cortex-M0+ core with NXP metrology peripherals including a programmable gain amplifier, phase compensation, active/reactive energy accumulation, and rms calculation blocks, reducing external component count. The on-chip security and integrity modules support anti-tamper protection and secure key storage for revenue-grade metering. Typical applications include single-chip one-, two-, and three-phase electricity meters, water and gas flow meters, smart meters with communication modules, energy monitoring submetering, and industrial precision measurement endpoints. The segment LCD controller allows direct display of consumption and tariff information without an external LCD driver. Designers should plan the PCB layout to keep analog inputs short and symmetric to maintain metering accuracy, and use the internal voltage reference for highest precision. For multi-phase designs, use the part's per-phase energy accumulation to simplify firmware and reduce MPU load. This page synthesizes NXP distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet to assist procurement and engineering decisions.

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MKM33Z64CLL5R-FR - 50MHz 64KB MCU | NXP | Metering
MKM33Z64CLL5R-FR

MKM33Z64CLL5R-FR - 50MHz 64KB MCU | NXP | Metering

The NXP Semiconductors MKM33Z64CLL5R-FR is a 32-bit ARM Cortex-M0+ Kinetis KM microcontroller rated at 50 MHz, with 64 KB of flash memory, 16 KB of SRAM, segment-LCD support, and 68 I/O pins in a 100-LQFP 14 x 14 mm package. The -FR ordering code denotes the verified tape-and-reel ordering form of MKM33Z64CLL5R. It is positioned for precision measurement products, including single-, two-, and three-phase electricity meters and flow meters. A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile data memory, peripherals, and communication interfaces on one semiconductor device. The MKM33Z64CLL5R-FR belongs to the Cortex-M0+ processor class and the Kinetis KM microcontroller family, combining metering-oriented analog and display functions with general embedded-control capabilities. The supplied source data identifies a 50 MHz ARM Cortex-M0+ core, 64 KB flash, 16 KB SRAM, 68 I/O, segment LCD, and 100-LQFP packaging. Search results also identify I2C, SPI, UART/USART, DMA, LCD, and watchdog-timer peripherals. Its 64 KB program memory supports compact firmware, while the segment-LCD interface reduces the need for external display-control circuitry in metering products. The 100-LQFP package exposes substantially more I/O than small-lead-count packages, making it useful where sensors, communication interfaces, display segments, metrology inputs, and control outputs require dedicated pins. The verified snippets list 1.8 V, 2.5 V, and 3.3 V operating options, while exact voltage ranges, accuracy, clock-tree details, ADC characteristics, and pin functions remain to be confirmed from the manufacturer documentation. Typical uses include electricity meters, flow meters, utility measurement terminals, industrial counters, and other precision instrumentation. For these systems, the combination of metering-aware integration, segment-LCD support, serial interfaces, and a 100-pin package can reduce external component count while preserving broad signal-routing flexibility. Design validation should begin with the exact NXP datasheet and pinout. Confirm operating-voltage limits, ADC and metrology specifications, LCD segment capacity, peripheral pin multiplexing, clock requirements, decoupling, programming, and exposed-pad or thermal details before layout release. Firmware migration also requires checking memory maps, peripherals, interrupts, and package pin assignments. This page consolidates verified distributor pricing, source links, package information, application guidance, and an honest assessment of replacement availability. It does not invent missing electrical details: unavailable values remain explicitly marked for engineering follow-up.

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MKM34Z256VLQ7 - 75MHz Cortex-M0+ Metrology MCU | NXP
MKM34Z256VLQ7

MKM34Z256VLQ7 - 75MHz Cortex-M0+ Metrology MCU | NXP

The NXP Semiconductors MKM34Z256VLQ7 is a Kinetis KM34 sub-family 32-bit metrology microcontroller built on an ARM Cortex-M0+ core running at up to 75 MHz, with 256 KB of flash memory and 32 KB of SRAM, housed in a 144-pin LQFP (20 x 20 mm) surface-mount package. It operates from a 2.5V or 3.3V supply and integrates a high-precision analog front end (AFE), segment LCD controller, and hardware tamper detection. A metrology MCU is a class of microcontroller purpose-built for electricity, gas, and water measurement infrastructure. Within the system hierarchy, it sits at the level of microcontroller unit (MCU) -> 32-bit MCU -> ARM Cortex-M based MCU -> metrology application MCU, combining a general-purpose processor core with measurement-oriented analog peripherals and security features that general-purpose MCUs typically lack. Key features include the 256 KB on-chip flash with 32 KB SRAM for protocol stacks and data logging, an auto-compensated internal real-time clock (iRTC) with hardware tamper detection and time stamping, a high-precision internal voltage reference with low temperature drift, and a segment LCD controller for meter displays. The ARM Cortex-M0+ core delivers energy-efficient 32-bit processing with a compact instruction set suitable for real-time metrology computation. Technically, the KM3x family is designed to enable single-chip one-, two-, and three-phase electricity meters: the integrated AFE samples voltage and current channels, the Cortex-M0+ executes metering algorithms, and the tamper module supports both active and passive tamper detection, a requirement for modern billing-grade metering security. Typical applications include three-phase smart electricity meters, flow meters for water and gas, and other precision measurement instruments where a calibrated reference and tamper evidence are mandatory. The segment LCD interface directly drives meter display glass without a separate LCD driver. Design consideration: the device is offered in Tray packaging for this orderable part; verify flash and SRAM margins before committing firmware, as the KM3x family also spans 128 KB and 512 KB flash variants in the same footprint. This page synthesizes distributor pricing data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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