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EFM32TG232F16-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG232F16-QFP64

EFM32TG232F16-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG232F16-QFP64 is a 32-bit ARM Cortex-M3 microcontroller rated for operation up to 32 MHz, with 16 kB of embedded Flash memory, 4 kB of RAM, and 53 digital I/O pins in a 64-pin TQFP package. The device belongs to the Tiny Gecko family of low-power microcontrollers and combines energy-saving operating modes with fast wake-up behavior for embedded designs that spend substantial time in sleep. A microcontroller is the central programmable element of an embedded system, integrating a CPU core, nonvolatile program memory, volatile data memory, peripherals, and I/O into one semiconductor package. The ARM Cortex-M3 provides a 32-bit RISC processing architecture, while the Tiny Gecko platform adds low-energy features suited to battery-powered sensors, industrial equipment, consumer controls, and connected products. This device operates from a 1.85 V to 3.8 V supply range. The EFM32TG232F16-QFP64 combines 16 kB Flash, 4 kB RAM, 53 digital I/O pins, and two 16-bit timers in one package. Its 32 MHz maximum CPU speed provides adequate processing performance for protocol handling, data acquisition, local control, and low-complexity user interfaces. The 10 mm by 10 mm TQFP package also exposes 53 digital I/O pins, supporting simultaneous peripheral connections while remaining compatible with conventional surface-mount assembly. Its energy-conscious architecture is the principal technical advantage. The Tiny Gecko family supports energy-saving modes and fast wake-up times, allowing firmware to remain responsive without continuously running the CPU at full clock speed. Applications can therefore balance computational throughput against standby consumption according to the duty cycle of the product. Typical uses include low-power sensor nodes, compact industrial controllers, wearable accessories, meter-management electronics, battery-operated monitoring equipment, and embedded control modules. The combination of Cortex-M3 processing, flexible GPIO, and low-power operation is particularly useful when a design must fit multiple digital interfaces into a limited board area without adding a separate low-power controller. Designers should plan the PCB for the 64-pin TQFP footprint, preserve adequate clearance around adjacent leads, and route high-frequency or sensitive analog signals away from switching nodes. Firmware should use the low-energy modes only after validating wake-up sources, clock transitions, and peripheral states. Component compatibility requires checking the complete Silicon Labs pinout and peripheral table before substituting another EFM32 device. This product page consolidates the key electrical, memory, package, and low-power characteristics with practical implementation guidance. It also distinguishes verified same-footprint alternatives from functionally similar devices, helping engineers evaluate replacement options without treating a different microcontroller family as a true drop-in substitute.

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EFM32TG232F32-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG232F32-QFP64

EFM32TG232F32-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG232F32-QFP64 is a 32-bit ARM Cortex-M3 microcontroller rated up to 32 MHz, with 32 kB of Flash memory, 4 kB of RAM, 53 digital I/O pins, and a 64-pin TQFP package. It combines deterministic microcontroller operation with energy-saving modes and fast wake-up behavior for embedded systems that must balance responsiveness, processing performance, and power consumption. A microcontroller is a programmable semiconductor containing a processor core, memory, peripherals, and I/O in one integrated device. The EFM32TG232F32-QFP64 belongs to the Tiny Gecko family and provides a compact platform for low-power embedded control. Its architecture supports connected sensors, industrial monitoring, portable instruments, and embedded control products where low standby consumption is valuable. The principal device ratings include a 32 MHz Cortex-M3 core, 32 kB Flash, 4 kB RAM, and 53 digital I/O pins. Two 16-bit timers are included for periodic events, timing measurements, and control-loop tasks. The 64-pin TQFP package exposes substantially more I/O than smaller MCU packages and is suitable for boards requiring mixed analog, digital, serial, and external-memory connections. Its low-power platform includes energy-saving modes and fast wake-up operation, making it appropriate for systems that spend most of their operating life asleep. The 32 MHz Cortex-M3 core provides useful control and response performance without requiring a more complex processor architecture. Flash retains firmware without volatile memory, while 4 kB of SRAM supports working state, stack operations, buffers, and peripheral data handling. Typical applications include industrial sensor nodes, portable measurement equipment, building controls, low-power consumer accessories, and compact control boards. The larger I/O count can simplify designs that otherwise require an I/O expander. Two timers are particularly useful for pulse measurement, motor or actuator timing, periodic sampling, and real-time control tasks. PCB design should preserve the device power rails and decoupling requirements stated in the manufacturer datasheet. Place the required input and output capacitors close to their associated pins, route sensitive signals away from fast-switching nodes, and confirm every exposed signal assignment against the official 64-pin pinout before fabrication. This page combines manufacturer specifications, same-package replacement analysis, application guidance, and design considerations to support faster MCU selection and board planning. Verify temperature limits, peripherals, electrical limits, and package details in the manufacturer documentation before releasing production hardware.

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EFM32TG232F8-D-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG232F8-D-QFP64

EFM32TG232F8-D-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG232F8-D-QFP64 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 kB of Flash memory, 2 kB of RAM, and 53 digital I/O pins in a 64-TQFP 10 x 10 mm package. The -D suffix identifies the device configuration within the EFM32 Tiny Gecko family. Its combination of a 32 MHz Cortex-M3 core, energy-saving modes, fast wake-up behavior, and compact 64-pin package makes it suitable for embedded control, sensor monitoring, communications, and low-power consumer equipment. An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-set processor integrated with memory, peripherals, and interrupt-driven control hardware in one semiconductor package. The Cortex-M3 core belongs to the ARM processor hierarchy and is designed for compact embedded systems. Within the broader semiconductor category, the EFM32TG232F8-D-QFP64 is a microcontroller IC, while its platform includes timers, GPIO, communications peripherals, analog functions, and multiple low-power operating modes that support battery-operated and energy-conscious designs. The device provides 8 kB of Flash for firmware, 2 kB of RAM for working data, and 53 digital I/O pins for external interfaces. Two 16-bit timers support periodic timing, input capture, output compare, and other embedded control functions. Its operating supply range of 1.98 V to 3.8 V allows use from a regulated 3 V rail, while the 32 MHz maximum CPU speed provides sufficient processing capability for protocol handling, state machines, sampling, and supervisory control. The Tiny Gecko architecture emphasizes energy efficiency rather than only maximum clock speed. Silicon Labs identifies low-energy techniques, fast wake-up times, and energy-saving modes as defining characteristics of the device. These features are relevant in systems that spend most of their operating cycle asleep and must respond promptly to external events. The 53 GPIO count also allows a compact design to connect sensors, indicators, user inputs, communications devices, and actuators without immediately requiring an external GPIO expander. Typical applications include battery-powered sensor nodes, industrial monitoring terminals, compact access controls, environmental measurement instruments, wearable accessories, and connected embedded products. The 10 x 10 mm TQFP package provides enough I/O and perimeter area for mixed-signal and communication-oriented designs while remaining manageable for cost-controlled manufacturing. Firmware should use the low-power modes when the product specification calls for long standby intervals and minimized average energy consumption. Designers should verify clock, peripheral, and pin assignments against the manufacturer pinout table before laying out the PCB. Place decoupling capacitors close to the supply pins, route sensitive analog inputs away from fast-switching nodes, and preserve the ground-return path required by each communication interface. The 1.98 V to 3.8 V supply range also means that level-shifting or rail-sequencing decisions must match the voltage tolerance of every attached peripheral. This product page combines the manufacturer’s core device specifications, package details, application guidance, practical design notes, and qualified same-family replacement analysis. It is intended to help engineers evaluate the EFM32TG232F8-D-QFP64 for embedded designs, identify the limits of drop-in substitution, and move from component selection to a reliable PCB implementation.

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EFM32TG232F8-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG232F8-QFP64

EFM32TG232F8-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG232F8-QFP64 is a 32 MHz ARM Cortex-M3 Tiny Gecko microcontroller with 8 kB Flash, 2 kB RAM, 53 digital I/O pins, and a 64-TQFP 10 x 10 mm package. It operates from a 1.85 V to 3.8 V supply and is designed for energy-sensitive embedded systems. The device provides two 16-bit timers and a hardware AES engine, while its low-power architecture supports fast wake-up and energy-saving modes for battery-operated equipment. A microcontroller is an embedded-system semiconductor that integrates a processor core, program memory, data memory, peripherals, and I/O into one device. The EFM32TG232F8-QFP64 belongs to the Tiny Gecko family and uses the ARM Cortex-M3 processor. In the product hierarchy, it is a 32-bit microcontroller, a general-purpose processor-based IC, and ultimately a semiconductor intended to control sensors, communications, user interfaces, and other embedded-system functions. Key features include a maximum 32 MHz operating speed, 8 kB of Flash organized as 8K x 8, 2 kB of SRAM, 53 digital I/O pins, and hardware AES capability. Its 1.85 V to 3.8 V operating range accommodates low-voltage portable systems. The combination of 53 I/O pins and two 16-bit timers is useful in designs that need multiple peripheral connections without moving to a larger package. Technically, the Cortex-M3 core provides a compact 32-bit architecture suitable for real-time control. Silicon Labs' Tiny Gecko platform adds low-energy operating techniques intended to reduce both active and idle consumption. The 2 kB SRAM and 8 kB Flash limits determine the code and working-data budget, making this MCU most appropriate for compact control tasks rather than graphics-intensive, high-bandwidth, or large protocol-stack applications. Typical applications include low-power sensor nodes, compact industrial controllers, energy-monitoring instruments, connected accessories, and portable accessories. The 53 digital I/O pins support peripheral interconnection, while two timers provide timing for pulse generation, input capture, or periodic control tasks. AES hardware can offload supported encryption operations when application security requirements justify it. Designers should account for the small 8 kB Flash and 2 kB RAM budgets, verify every peripheral pin against the 64-TQFP pinout, and use the manufacturer reference configuration for decoupling and programming. A PCB change to another MCU should not be attempted without a complete peripheral, timing, memory, and pin-level migration review.

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EFM32TG232F8-QFP64T - 32MHz Cortex-M3 MCU, 8KB Flash, 64-TQFP | Silicon Labs
EFM32TG232F8-QFP64T

EFM32TG232F8-QFP64T - 32MHz Cortex-M3 MCU, 8KB Flash, 64-TQFP | Silicon Labs

The Silicon Labs EFM32TG232F8-QFP64T is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz with 8 kB of Flash, 2 kB of SRAM and 53 digital I/O pins, housed in a 64-pin TQFP (10 x 10 mm) surface-mount package. It is a member of the EFM32 Tiny Gecko family, a low-power 32-bit MCU line designed around energy-sensitive embedded applications. A microcontroller (MCU) is a single integrated circuit that combines a CPU core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog blocks. It sits at the bottom of the embedded hierarchy: MCU -> 32-bit microcontroller -> ARM Cortex-M core -> embedded processor -> semiconductor. Because the EFM32TG232 integrates its own memory, clocking, and peripherals, it replaces a discrete processor-plus-support-chip design and reduces both board area and total system power. Key features of the EFM32TG232F8-QFP64T include an on-chip hardware AES encryption accelerator, three integrated operational amplifiers, and two 16-bit general-purpose timers alongside the ARM Cortex-M3 core. The Tiny Gecko platform adds dedicated low-energy techniques, fast wake-up times, and multiple energy-saving modes so the same part can serve both always-on sensing duty cycles and short burst-processing windows. Technically, the device runs a 32-bit RISC Cortex-M3 pipeline at up to 32 MHz with a 2.5 V / 3.3 V supply option, giving designers a single 3.3 V rail design with margin. The 53 digital I/O pins spread across 64 leads provide generous connectivity for sensors, discrete actuators, and status indication without an external I/O expander, while the integrated op-amps allow direct conditioning of analog front-end signals. Typical applications include battery-powered IoT and smart-home sensor nodes, industrial condition monitoring and data acquisition, energy metering, portable medical instrumentation, and LED lighting control. The 64-TQFP package is a good fit for prototypes and cost-driven designs where fine-pitch QFN assembly is not wanted. When designing around this MCU, budget flash and SRAM carefully: 8 kB of Flash and 2 kB of RAM must hold the application code, the boot path, and any data buffering. Decouple the supply pins close to the device with a bulk ceramic plus a high-frequency bypass capacitor, and keep the 53 I/O routes short so switching edges do not disturb adjacent analog channels served by the internal op-amps. This page brings together device specifications, same-package drop-in options, comparison tables, and practical design notes in one place, giving engineers a faster path from part selection to a working low-power board.

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EFM32TG822F16-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG822F16-QFP48

EFM32TG822F16-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG822F16-QFP48 is an ARM Cortex-M3 Tiny Gecko microcontroller operating up to 32 MHz, with 16 kB of Flash memory, 4 kB of RAM, 37 digital I/O pins, and a 48-pin TQFP package measuring 7 mm by 7 mm. It combines a low-power architecture, fast wake-up capability, and energy-saving modes for compact embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The EFM32TG822F16-QFP48 belongs to the Tiny Gecko family within Silicon Labs' EFM32 low-power MCU portfolio. Its ARM Cortex-M3 core provides 32-bit processing, while its peripheral set supports energy-sensitive, battery-operated, industrial, and connected embedded products. The device operates at up to 32 MHz and includes 16 kB of Flash for firmware, 4 kB of RAM for working data, and 37 digital I/O pins. Silicon Labs identifies two 16-bit timers among the integrated resources. These characteristics make the microcontroller suitable for control loops, human-interface devices, sensor nodes, portable instruments, and compact automation products that need deterministic peripheral access without a large external memory footprint. The Tiny Gecko platform emphasizes energy efficiency through low-energy operating techniques, rapid wake-up from energy-saving modes, and multiple sleep-oriented modes. These features help reduce the energy required between user interactions or sensor measurements. The Cortex-M3 processor and configurable peripheral architecture also allow the same device family to address battery-powered consumer products as well as embedded industrial equipment. Typical uses include low-power sensor hubs, building-control nodes, compact motor-control interfaces, handheld measurement products, wearable accessories, and battery-operated security devices. The 48-pin TQFP footprint exposes substantially more I/O than smaller leadless packages, making it useful when a design needs external displays, buttons, communications transceivers, analog front ends, or multiple digital peripherals. Designers should select capacitors, oscillator components, and I/O levels according to the manufacturer datasheet, and should preserve the recommended power and decoupling layout for reliable operation. Firmware development requires a Cortex-M3-compatible toolchain and the appropriate Silicon Labs configuration and debug environment. Before production, verify the selected flash variant, operating-temperature grade, peripheral availability, and package pin assignments against the exact ordering information. This product page consolidates the principal specifications, verified manufacturer and distributor references, drop-in candidates, application guidance, and design cautions for EFM32TG822F16-QFP48. It is intended to accelerate engineering evaluation while making the differences among same-family Silicon Labs options easier to evaluate.

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EFM32TG822F32-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG822F32-QFP48

EFM32TG822F32-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG822F32-QFP48 is a 32 MHz ARM Cortex-M3 microcontroller with 32 KB of Flash memory, 4 KB of RAM, and 37 digital I/O pins, housed in a 48-pin TQFP package measuring 7 x 7 mm. The EFM32TG822F32-QFP48 combines a 32-bit MCU core, low-power operation, fast wake-up capability, an AES-equipped peripheral set, an LCD interface, three op amps, and two 16-bit timers in one compact surface-mount device. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into a single device used to control embedded systems. The ARM Cortex-M3 core provides a 32-bit processing architecture for control tasks, while the EFM32 Tiny Gecko platform adds energy-saving modes and fast wake-up behavior. This hierarchy places the device within the MCU category, where low-power embedded control, peripheral integration, and compact package design determine suitability. The principal features include operation up to 32 MHz, 32 KB of Flash for firmware, 4 KB of SRAM for working data, and 37 digital I/O pins. The device also supports an 8 x 11 LCD interface, hardware AES capability, three operational amplifiers, and two 16-bit timers. These resources allow a design to consolidate functions that might otherwise require separate display controllers, encryption hardware, analog amplifiers, and timer ICs. Silicon Labs bases the EFM32TG822F32-QFP48 on the EFM32 Tiny Gecko low-power platform. The architecture is intended to balance responsive processing with restricted current consumption in systems that spend substantial time in low-energy states. Its combination of Cortex-M3 instruction-set support, integrated analog and security resources, and a 7 x 7 mm TQFP footprint supports compact control designs without external peripheral duplication. Typical uses include energy-conscious industrial control modules, battery-powered sensing equipment, compact human-machine-interface controllers, security-aware embedded nodes, and low-power IoT products. The LCD interface is particularly useful for local status displays, while the AES hardware can accelerate cryptographic operations. The three op amps support analog signal conditioning close to the sensing or actuator interface, reducing external analog component count. Designers should review the manufacturer datasheet pin-description table before assigning board functions and should account for the exposed power, ground, reset, and programming connections in the PCB layout. Stable decoupling close to the supply pins and a compliant programming interface are essential for reliable operation. Software configuration should also use the low-energy modes and wake-up sources appropriate to the product's duty cycle. This page combines manufacturer specifications, package details, verified sourcing links, drop-in replacement analysis, and practical design guidance in one engineering reference. It supports faster MCU selection by placing memory, LCD, AES, analog, timing, and low-power capabilities alongside PCB and purchasing considerations.

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EFM32TG822F8-D-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG822F8-D-QFP48

EFM32TG822F8-D-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG822F8-D-QFP48 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller with a 32 MHz processor, 8 KB of flash memory, 2 KB of RAM, and a 48-pin TQFP package measuring 7 mm by 7 mm. The device is designed for compact embedded systems that require efficient processing, low-power operation, and integrated mixed-signal peripherals without requiring a large external memory interface. An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-computing processor commonly used in embedded control systems. The Cortex-M3 belongs to the ARM processor family and combines deterministic interrupt handling, compact code density, and an integrated ecosystem for firmware development. The EFM32TG series adds Silicon Labs' Tiny Gecko architecture, energy-management peripherals, and configurable I/O to create a low-power microcontroller platform for battery-operated and energy-conscious products. The EFM32TG822F8-D-QFP48 operates at up to 32 MHz and provides 8 KB of flash program memory and 2 KB of SRAM. Its 37 configurable I/O locations support digital communication, sensing, control, and general-purpose peripheral functions. The device can operate from 2.5 V or 3.3 V supply rails and is specified for an ambient operating range of -40°C to +85°C. Its 48-TQFP surface-mount package provides a practical option for compact industrial, consumer, and embedded-control assemblies. Low-power operation is a defining characteristic of the EFM32TG family. The manufacturer datasheet reports consumption as low as 0.6 µA in Stop mode and approximately 150 µA/MHz in Run mode. Autonomous peripherals allow selected activities to continue without constant CPU intervention, helping reduce overall energy use in systems that alternate between active measurement and extended low-power intervals. Typical applications include connected sensor nodes, compact industrial controllers, low-power data loggers, battery-operated monitoring equipment, and embedded accessories that require a mix of analog-capable peripherals, communication interfaces, and general-purpose I/O. The 8 KB flash capacity is most appropriate for focused firmware rather than complex graphical workloads or large application code sets. When designing around this microcontroller, use the pin-description table in the manufacturer datasheet when assigning board functions, and reserve the exposed programming and debug interface for reliable programming and field diagnostics. Place bypass capacitors close to the supply pins and keep sensitive analog or communication traces away from fast-switching nodes to reduce coupling. This product page combines the EFM32TG822F8-D-QFP48 specifications, package information, application guidance, drop-in family alternatives, and engineering-oriented design notes. It is intended to help hardware engineers assess processor performance, memory capacity, power behavior, package compatibility, and PCB implementation before selecting the device for a new embedded design.

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EFM32TG822F8-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG822F8-QFP48

EFM32TG822F8-QFP48 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG822F8-QFP48 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller operating up to 32 MHz, with 8 kB Flash, 2 kB RAM, and 37 digital I/O pins in a 48-TQFP 7 x 7 mm package. It combines a low-power embedded platform with fast wake-up behavior, energy-saving modes, and two 16-bit timers for compact embedded control. A microcontroller is a programmable integrated circuit that combines a processor core, memory, digital I/O, timers, and communication peripherals in one device. The EFM32TG822F8 belongs to the Tiny Gecko family and sits within the hierarchy of ARM Cortex-M3 microcontroller, embedded processor, and integrated semiconductor. Its 32 MHz processing rate supports responsive control logic while its low-power design targets battery-operated and energy-sensitive equipment. The verified feature set includes an ARM Cortex-M3 core, operation up to 32 MHz, 8 kB Flash, 2 kB RAM, 37 digital I/O pins, and two 16-bit timers. The supplied operating range is 1.85 V to 3.8 V, with a temperature range of -40 °C to 85 °C. These figures make the device suitable for low-voltage embedded products, sensor nodes, portable instruments, and compact industrial control modules. The EFM32TG822F8-QFP48 is identified as a surface-mount 48-TQFP device. The manufacturer product page describes a low-power platform with innovative low-energy techniques, fast wake-up times, and energy-saving modes. Those characteristics distinguish it from general-purpose microcontrollers focused only on processing throughput: the design emphasizes both control capability and energy efficiency in embedded systems. Typical applications include low-power sensor interfaces, portable measurement equipment, small motor-control systems, battery-powered instruments, and embedded IoT nodes. Its 37 digital I/O pins provide substantial external connectivity for sensors, indicators, switches, and actuators, while the two timers can support periodic measurement, timing, or basic control functions. Firmware selection should confirm the required peripheral set before design release. Designers should use the manufacturer datasheet for the complete pin map, electrical limits, peripheral availability, memory map, and recommended decoupling. Because the verified sources identify a 48-pin package but do not provide a complete pin table, pin-level claims should not be inferred. The 1.85 V to 3.8 V supply range also requires regulators and bypass networks that remain valid across the intended operating temperature range. This product page consolidates the verified manufacturer description, distributor specifications, package data, sourcing information, and application guidance. It also separates confirmed parameters from unavailable details, helping engineers compare the MCU with alternatives without treating unverified assumptions as drop-in compatibility.

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EFM32TG822F8-QFP48T - 32MHz Cortex-M3 8KB MCU | Silicon Labs
EFM32TG822F8-QFP48T

EFM32TG822F8-QFP48T - 32MHz Cortex-M3 8KB MCU | Silicon Labs

The Silicon Laboratories EFM32TG822F8-QFP48T is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller operating at 32 MHz, with 8 KB of flash memory and 2 KB of RAM, housed in a 48-pin TQFP package measuring 7 mm by 7 mm. Its operating supply range is 1.85 V to 3.8 V, making it suitable for compact embedded systems that use low-voltage 2.5 V or 3.3 V power rails. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, and peripherals into one device. The EFM32TG822F8 belongs to the EFM32 Tiny Gecko family, where Tiny Gecko devices are ARM Cortex-M3 microcontrollers positioned for low-power embedded control. The EFM32 family hierarchy extends from this device to general-purpose embedded MCUs, which are semiconductor components used for sensing, control, communication, and user-interface functions. The EFM32TG822F8-QFP48T includes 8 KB of flash organized as 8K x 8, 2 KB of RAM, an 8-by-11 LCD interface, AES hardware support, and three operational amplifiers according to the manufacturer-related component listing. These peripherals allow firmware to drive segmented displays, perform secure data handling, and condition low-level analog signals without requiring several separate discrete devices. The core runs at 32 MHz and supports an ARM Cortex-M3 architecture with a 32-bit instruction set. The supplied manufacturer specifications identify the device as a single-core Tiny Gecko MCU in the Tiny Gecko series. Its combination of 8 KB flash and 2 KB RAM is appropriate for compact control tasks, sensor nodes, simple user-interface controllers, and connected accessories where code and data storage requirements are modest. Typical applications include energy meters, industrial sensor interfaces, small display controllers, wearable accessories, battery-powered equipment, and low-cost embedded control modules. The LCD interface is particularly useful for products requiring a local alphanumeric or segmented display, while AES support can assist with authenticated communication or encrypted data handling when used with an appropriate software stack. Designers should account for the 1.85 V to 3.8 V supply range, confirm the exact peripheral assignments and alternate functions against the device pinout, and provide suitable decoupling close to the supply pins. The TQFP-48 footprint also requires a PCB land pattern with adequate thermal copper and assembly clearance for its 0.5 mm pitch leads. This product page combines the core manufacturer specifications with application guidance, package information, replacement analysis, and practical design notes. It is intended to help engineers evaluate the EFM32TG822F8-QFP48T for low-power embedded designs, identify same-footprint alternatives, and plan sourcing through the XAIPART Request a Quote form.

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EFM32TG825F32-BGA48 - 32MHz Low-Power MCU | Silicon Labs
EFM32TG825F32-BGA48

EFM32TG825F32-BGA48 - 32MHz Low-Power MCU | Silicon Labs

Silicon Labs EFM32TG825F32-BGA48 is a low-power, 32-bit ARM Cortex-M3 microcontroller operating at up to 32 MHz, with 32 KB of flash memory and a 48-BGA package measuring 4 x 4 mm. The device is designed for compact, energy-sensitive embedded systems that require fast processing, low-power operation, LCD support, and hardware AES capability. A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, peripherals, and communication interfaces onto one package. The EFM32TG825 belongs to the Tiny Gecko family, a low-power microcontroller platform built around the ARM Cortex-M3 architecture. This hierarchy places it within embedded processors, microcontrollers, and energy-efficient IoT control devices. The EFM32TG825F32-BGA48 combines a 32 MHz Cortex-M3 core with 32 KB of flash organized as 32K x 8. Its feature set includes an LCD controller and AES hardware, making it suitable for compact human-interface equipment, secure data collection, industrial sensing, and connected devices. A 2.5 V or 3.3 V supply configuration supports integration into conventional embedded systems. The 48-BGA package supports compact, high-density layouts where board area is limited. Its 4 x 4 mm dimensions make the MCU suitable for wearable electronics, small sensor nodes, metering equipment, and compact industrial controllers. Designers should allocate the footprint, pin assignments, exposed thermal requirements, and programming interfaces according to the manufacturer package drawing before layout release. Typical applications include battery-powered sensor nodes, portable measurement instruments, small LCD instruments, industrial monitoring terminals, energy-management controllers, and secure wireless-sensor endpoints. The combination of a 32 MHz processing core, integrated flash, LCD support, and AES acceleration reduces external component requirements where those functions are needed. The principal design consideration is system-level power management. Engineers should select capacitors, clocking components, and external interfaces according to the manufacturer reference schematic, and should verify signal levels and programming connections against the 48-BGA pad layout. Adequate exposed-area thermal management and clean high-frequency routing remain important in compact boards. This product page combines device specifications, focused application guidance, verified cross-reference candidates, package details, and practical design notes. It also distinguishes electrically documented drop-in candidates from options whose firmware, peripheral mapping, or qualification still requires design review.

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EFM32TG825F8-BGA48 - 32MHz Cortex-M3 8KB MCU | Silicon Labs
EFM32TG825F8-BGA48

EFM32TG825F8-BGA48 - 32MHz Cortex-M3 8KB MCU | Silicon Labs

The Silicon Labs EFM32TG825F8-BGA48 is an ARM Cortex-M3 Tiny Gecko 32-bit microcontroller rated up to 32 MHz, with 8 KB Flash, 2 KB RAM, 37 digital I/O pins, and a 48-BGA 4x4 mm package. It is designed for energy-sensitive embedded systems that require low-power operation, fast wake-up behavior, and integrated analog and communications peripherals. What is a Tiny Gecko microcontroller? A Tiny Gecko MCU is a low-power 32-bit embedded controller built around the ARM Cortex-M3 processor core. It belongs to the hierarchy microcontroller -> embedded processor -> ARM Cortex-M microcontroller -> low-power MCU. The EFM32TG825F8-BGA48 combines general-purpose control, timing, analog conversion, and serial-interface functions in one compact device for applications such as sensor nodes, industrial controllers, consumer accessories, and connected embedded products. Key features include an ARM Cortex-M3 core operating up to 32 MHz, 8 KB Flash memory, 2 KB RAM, 37 digital I/O pins, two 16-bit timers, a 4x12-bit ADC, and a 1x12-bit DAC according to the available manufacturer and distributor data. The device also supports 2.5 V and 3.3 V supply configurations. Its BGA package reduces board footprint compared with larger leaded packages, although assembly and inspection require suitable manufacturing capability. The Silicon Labs Tiny Gecko platform emphasizes energy efficiency through low-power techniques and sleep-oriented operation. The EFM32TG825F8-BGA48 is therefore suited to systems that spend substantial time idle, wake periodically to measure or communicate, and need deterministic control from a compact MCU. The 32 MHz core provides useful performance headroom for protocol handling, control logic, and moderate signal-processing tasks while keeping memory use modest. Typical applications include low-power sensor interfaces, industrial monitoring, portable accessories, connected equipment, compact control panels, and embedded consumer devices. The integrated ADC and DAC can simplify analog signal acquisition and output without requiring a separate converter when the application’s accuracy and sampling requirements are appropriate. For designs needing more program memory, the related EFM32TG825F32-BGA48 provides 32 KB Flash and 4 KB RAM, but it is not an identical drop-in replacement without firmware and resource review. When designing around this MCU, verify the exact BGA pinout, exposed-pad requirements, decoupling, clock configuration, and supported operating range against the manufacturer datasheet. Supply-voltage and temperature limits were not available in the supplied data and are therefore not inferred. This page consolidates verified specifications, source links, application guidance, and replacement limitations without inventing unavailable electrical details.

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EFM32TG825F8-BGA48T - 32MHz ARM MCU | Silicon Labs
EFM32TG825F8-BGA48T

EFM32TG825F8-BGA48T - 32MHz ARM MCU | Silicon Labs

Silicon Labs EFM32TG825F8-BGA48T is a 32-bit ARM Cortex-M3 microcontroller rated for operation up to 32 MHz, with 8 KB of Flash memory and 2 KB of RAM in a 48-BGA (4x4 mm) package. It provides 37 digital I/O pins, two 16-bit timers, AES hardware, three operational amplifiers, and support for an 8x11 LCD. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one device. The EFM32TG825F8-BGA48T belongs to the Tiny Gecko family of 32-bit microcontrollers, combining the ARM Cortex-M3 architecture with energy-saving modes and fast wake-up behavior. This hierarchy places it above the Cortex-M3 core and within the broader embedded MCU and semiconductor categories. The device operates from 1.98 V to 3.8 V and supports an industrial temperature range of -40°C to 85°C. Its operating frequency of 32 MHz provides useful processing performance for embedded control tasks, while the integrated AES accelerator, three operational amplifiers, LCD capability, and low-power architecture reduce the need for external discrete components. The 8 KB Flash configuration suits compact firmware and code-constrained embedded nodes. Silicon Labs positions this MCU around energy-efficient operation, autonomous sensor monitoring in Deep Sleep Mode, capacitive sensing, and rapid wake-up from energy-saving states. Two 16-bit timers support periodic timing, motor-control-related timing, or general event counting. The Serial Wire Debug interface and pre-programmed UART bootloader support development, diagnostics, and field configuration without requiring a separate programming interface in the target application. Typical uses include compact sensor nodes, capacitive buttons, low-power industrial monitors, small LCD instruments, wearable accessories, and embedded control modules. Its 37 I/O pins provide access to sensors and actuators, while the operational amplifiers can condition analog inputs close to the MCU. Designers should still verify each peripheral pin assignment against the device's pin multiplexing and board-level power requirements before finalizing a PCB. The principal design trade-off is its 8 KB Flash limit. It works well for compact, event-driven firmware but may require careful code organization when the application includes extensive libraries, a bootloader, or complex communications stacks. The 3.8 V maximum supply also means the device is intended for low-voltage systems rather than direct connection to higher-voltage industrial rails. This product record combines the manufacturer device information with package, memory, interface, and low-power design guidance. It also identifies same-family hardware alternatives, practical selection criteria, and engineering considerations that help teams determine whether this 48-BGA MCU fits their PCB and firmware requirements.

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EFM32TG825F8-D-BGA48 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG825F8-D-BGA48

EFM32TG825F8-D-BGA48 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG825F8-D-BGA48 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 KB of Flash memory, 2 KB of RAM, and a 48-BGA (4 x 4 mm) package. Its 1.98 V to 3.8 V operating range makes it suitable for compact, low-energy embedded systems requiring efficient code execution and rapid wake-up behavior. An ARM Cortex-M3 microcontroller, or MCU, combines a processor core, memory, peripherals, and I/O in one integrated circuit. Within the semiconductor hierarchy, the EFM32TG825F8-D-BGA48 belongs to the 32-bit microcontroller family and uses the low-power Tiny Gecko platform. Its autonomous peripherals and energy-saving modes are intended to reduce the amount of CPU activity required for routine sensing, communications, and control tasks. The device operates at up to 32 MHz and includes 8 KB of Flash, 2 KB of RAM, 37 digital I/O pins, two 16-bit timers, LCD support, and AES capability. According to the manufacturer EFM32TG data sheet, the family consumes as little as 0.6 uA in Stop mode and 150 uA/MHz in Run mode. These characteristics support duty-cycled products in which the controller sleeps between infrequent events. The Tiny Gecko architecture combines an ARM Cortex-M3 processor with energy-management peripherals and high analog integration. Its wake-up interrupt controller can handle interrupt requests while the CPU is asleep, reducing the need for continuous polling. The 37 available digital I/O pins also provide substantial connection flexibility for sensors, displays, user interfaces, and external interface converters within the constraints of a 4 x 4 mm BGA footprint. Typical applications include energy-harvesting sensor nodes, compact industrial monitors, wearable accessories, connected home devices, low-power metering equipment, and portable products with small displays. The 8 KB Flash capacity favors control-oriented firmware with limited code storage, while the LCD and AES features support display-driven and security-conscious designs. A higher-memory family member is preferable when firmware, libraries, or update buffers require more space. Board design should preserve the separation and decoupling of AVDD_x, VDD_DREG, and IOVDD_x as described in the EFM32TG data sheet. Place supporting capacitors close to their assigned supply pins, keep sensitive analog and communication routes away from fast digital switching nodes, and follow the manufacturer hardware-design guidance before committing a new 48-BGA layout. This page organizes the EFM32TG825F8-D-BGA48's memory, power, package, and application characteristics into an engineering-focused selection guide. It also distinguishes same-package family alternatives by their verified differences, helping designers identify when a higher-Flash variant is preferable and when the 8 KB configuration is sufficient for the intended firmware workload.

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EFM32TG840F16-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG840F16-QFN64

EFM32TG840F16-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG840F16-QFN64 is an ARM Cortex-M3 32-bit microcontroller (MCU) with a maximum operating speed of 32 MHz, 16 kB of Flash memory, 4 kB of RAM, and 56 digital I/O pins in a 64-QFN 9x9 mm package. It belongs to the Tiny Gecko family of low-power embedded processors. A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, volatile data memory, and peripherals on one integrated circuit. The ARM Cortex-M3 provides the instruction set and processing foundation, while Flash stores the firmware and RAM supports stack operations, data handling, and peripheral activity. The Tiny Gecko family adds energy-saving modes and fast wake-up behavior for systems that spend substantial time idle. The EFM32TG840F16-QFN64 operates at speeds up to 32 MHz and provides 16 kB of Flash, 4 kB of RAM, and 56 digital I/O pins. Two 16-bit timers support periodic timing, event counting, and basic motor or control functions. Its low-power architecture makes it suitable for battery-operated equipment, connected sensors, compact industrial controls, and other applications where average energy consumption matters as much as processing capability. The 64-QFN package supports dense PCB layouts while exposing 56 digital I/O pins for external interfaces. Its peripheral set and energy-management features allow a design to remain in a low-power state during idle periods and resume operation quickly when work is required. This combination is useful in portable measurement, industrial monitoring, and low-power embedded control systems. Typical uses include sensor nodes, small environmental monitors, industrial condition-monitoring devices, battery-powered accessories, and embedded control modules. Designers should allocate memory carefully for firmware, stack depth, and buffered data, and should preserve the recommended decoupling and exposed-pad layout shown in the manufacturer hardware design guidance. The most important design consideration is balancing performance against duty cycle. Running the Cortex-M3 core at 32 MHz supports responsive computation, but a low-energy application can often spend most of its time in a lower-power mode. Firmware can then use timers, interrupts, and wake-up sources to perform work only when needed. This product overview consolidates the core specifications, package details, practical design guidance, sourcing questions, and verified family alternatives for engineers evaluating the EFM32TG840F16-QFN64. It also distinguishes true same-footprint alternatives from devices that would require a PCB redesign.

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EFM32TG840F32-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG840F32-QFN64

EFM32TG840F32-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG840F32-QFN64 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller operating up to 32 MHz, with 32 KB of Flash memory, 4 KB of RAM, 56 digital I/O pins, and two 16-bit timers in a 64-QFN 9 x 9 mm package. The device is designed for energy-sensitive embedded applications that require efficient processing, fast wake-up behavior, and low-energy operating modes. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, digital I/O, timers, communication peripherals, and supporting power-management functions. The EFM32 Tiny Gecko belongs to the hierarchy of microcontroller ICs, embedded processors, and general-purpose semiconductors. Its ARM Cortex-M3 architecture provides a 32-bit instruction set and up to 32 MHz operating speed, while the energy-management architecture supports battery-operated and intermittently powered systems. The EFM32TG840F32-QFN64 provides 32 KB of Flash for firmware and 4 KB of RAM for working data. Its 56 digital I/O pins support external sensors, displays, communication interfaces, and control signals. Two 16-bit timers add resources for periodic events, timing, input capture, or output comparison. The listed distributor records also identify the device as an LCD and AES MCU, indicating support for display-oriented and security-related application requirements. The device is built around the low-power Tiny Gecko platform, which combines a conventional Cortex-M3 processing core with energy-saving modes and short wake-up times. This architecture is useful when the system spends much of its operating life in a low-power state and must resume measurement or control activity quickly. The 32 MHz maximum clock also provides sufficient performance for protocol handling, sensor fusion, user-interface logic, and supervisory tasks in compact embedded products. Typical applications include battery-powered sensor nodes, industrial condition-monitoring equipment, building-control endpoints, portable health and wellness products, small motor-control systems, and low-power connected instruments. Designers should select the appropriate operating voltage, clock configuration, memory layout, and peripheral assignments from the manufacturer documentation before finalizing the PCB and firmware. A critical hardware consideration is exposed-pad thermal management in the 64-QFN package. The exposed pad should be connected to the ground plane using the manufacturer’s recommended land pattern and thermal-via arrangement, while supply and ground connections should be routed to minimize noise and voltage loss. This product page consolidates verified manufacturer and distributor information, practical package guidance, and an honest assessment of available drop-in alternatives. It also distinguishes verified facts from parameters that remain unavailable in the supplied source data, helping engineers avoid unsupported substitutions or assumptions.

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EFM32TG840F8-D-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG840F8-D-QFN64

EFM32TG840F8-D-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG840F8-D-QFN64 is a 32-bit ARM Cortex-M3 microcontroller rated up to 32 MHz, with 8 kB Flash memory, 2 kB RAM, and 56 digital I/O pins in a 64-QFN package. Its compact 9 x 9 mm footprint supports energy-conscious embedded systems where board area, processing performance, and low-power operation are important. A microcontroller is a programmable semiconductor that integrates a CPU, memory, peripherals, and I/O into one device. The EFM32 Tiny Gecko family belongs to the broader 32-bit MCU and embedded-processor hierarchy. By combining an ARM Cortex-M3 core with energy-saving modes and fast wake-up behavior, the platform supports systems that spend substantial time in low-energy states while retaining deterministic control and communication functions. The EFM32TG840F8-D-QFN64 provides 8 kB of Flash for firmware, 2 kB of RAM for working data, 56 digital I/O pins, and two 16-bit timers. Its 32 MHz operating speed is suitable for sensor aggregation, low-power control, communications, and compact embedded-control tasks. The low-power architecture is particularly useful in battery-operated products where active processing time and sleep current directly affect service life. The device uses an ARM Cortex-M3 processor and combines two 16-bit timers with flexible GPIO resources for sensor, actuator, and communication interfaces. The manufacturer describes fast wake-up operation and energy-saving modes as central platform features. These characteristics allow firmware to remain responsive while minimizing unnecessary processor activity during idle intervals, although final energy consumption depends on the complete application, clock configuration, and peripherals enabled. Typical uses include low-power sensor nodes, industrial condition-monitoring equipment, connected instrumentation, compact environmental controls, and embedded accessories. The 56 I/O pins provide sufficient parallel connectivity for digital sensors, indicators, switches, and peripheral buses. The 8 kB Flash and 2 kB RAM are best suited to compact control loops and protocol stacks rather than storage-intensive, graphics-heavy, or large connectivity workloads. PCB designers should reserve the exposed-pad thermal and electrical connection specified by the manufacturer and place decoupling capacitors close to the supply pins. Keep sensitive analog and communication routes away from fast-switching nodes, follow the reference layout for the selected QFN land pattern, and verify wake-up, reset, and peripheral-routing behavior on the assembled board. This page organizes the device specifications, verified sourcing information, drop-in alternatives, application guidance, and practical PCB considerations. For a replacement decision, compare Flash, RAM, peripheral configuration, package land pattern, temperature grade, and software support rather than relying on the EFM32 or Tiny Gecko family name alone.

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EFM32TG840F8-QFN64 - 32MHz Low-Power MCU | Silicon Labs
EFM32TG840F8-QFN64

EFM32TG840F8-QFN64 - 32MHz Low-Power MCU | Silicon Labs

The Silicon Labs EFM32TG840F8-QFN64 is a 32 MHz ARM Cortex-M3 microcontroller with 8 kB Flash, 2 kB RAM, 56 digital I/O pins, and a 64-QFN package. It is designed for energy-sensitive embedded systems that require low-power operation, fast wake-up, and a compact surface-mount footprint. An ARM Cortex-M3 microcontroller is a 32-bit embedded processor within the microcontroller and semiconductor hierarchy. It combines a processor core, memory, peripherals, and I/O in one integrated circuit, allowing compact systems to execute firmware and control sensors, communications, and actuators without a separate processor. Silicon Labs positions this device in the EFM32 Tiny Gecko family, emphasizing low-energy techniques and energy-saving modes. The EFM32TG840F8-QFN64 operates at up to 32 MHz and includes 8 kB of Flash and 2 kB of RAM. Its 56 digital I/O pins provide substantial interface capacity for embedded control boards. The listed timer configuration includes two 16-bit timers, supporting periodic timing, input capture, output compare, and basic control-loop functions. The manufacturer and distributor results identify the device as an ARM Cortex-M3 Tiny Gecko MCU. The 64-QFN package, identified in distributor results as 64-QFN measuring 9 x 9 mm, supports compact PCB layouts while exposing many device connections. The verified listings also describe a 2.5 V or 3.3 V device configuration. Because the supplied data does not include a complete electrical timing table, pin-level function map, or detailed power-consumption values, those parameters remain marked as data needed rather than inferred. Typical applications include low-power sensor nodes, industrial monitoring equipment, connected embedded controls, compact consumer devices, and battery-operated systems. The MCU is suitable where a low-power 32-bit control platform and generous I/O count are more important than large onboard memory. Firmware memory and application complexity must be planned around the verified 8 kB Flash and 2 kB RAM limits. For PCB implementation, verify the exposed-pad connection, decoupling requirements, oscillator connections, programming interface, and all 64 package assignments against the manufacturer datasheet before layout release. Confirm the exact supply, I/O, peripheral, and timing constraints during schematic review. This page consolidates the verified manufacturer specifications, distributor listing details, sourcing links, and application-oriented engineering guidance for the EFM32TG840F8-QFN64 while explicitly identifying parameters that require confirmation from the datasheet.

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EFM32TG840F8-QFN64T - 32MHz ARM Cortex-M3 Tiny Gecko MCU | Silicon Labs
EFM32TG840F8-QFN64T

EFM32TG840F8-QFN64T - 32MHz ARM Cortex-M3 Tiny Gecko MCU | Silicon Labs

The Silicon Labs EFM32TG840F8-QFN64T is a 32-bit ARM Cortex-M3 microcontroller running at up to 32 MHz, with 8 KB of Flash memory and 2 KB of RAM, packaged in a 64-pin QFN (9x9 mm) surface-mount package with 56 digital I/O pins. It belongs to the EFM32 Tiny Gecko family, Silicon Labs' energy-focused 32-bit MCU line built around low-power design techniques, fast wake-up from deep sleep and multiple energy-saving modes. A microcontroller (MCU) is a single integrated circuit that bundles a CPU core, memory, and peripherals such as timers, ADCs, communication interfaces and GPIO. The EFM32 hierarchy runs from this general category down to 32-bit MCU -> ARM Cortex-M3 MCU -> energy-efficient 32-bit MCU -> Tiny Gecko family -> EFM32TG840 series. Because an MCU integrates the processor, memory and peripherals on one die, it replaces a discrete processor-plus-support-circuit design and reduces both board area and system power. Verified device features include an ARM Cortex-M3 core with 32-bit data path at up to 32 MHz clock speed, 8 KB Flash (8K x 8) program memory, 2 KB SRAM, 56 digital I/O pins, two 16-bit general-purpose timers, AES encryption hardware, three operational amplifiers, and support for an 8x20 character LCD segment display. The device is offered in a 64-QFN (9x9 mm) package. Architecturally, the Tiny Gecko platform prioritizes energy efficiency over raw throughput: it combines fast wake-up from energy-saving modes with low active current, which is the defining trade-off of the EFM32 family. At 32 MHz the Cortex-M3 core delivers roughly 32 MIPS of throughput, enough for protocol handling, sensor fusion and simple human-machine-interface logic while keeping active energy low compared with higher-frequency MCUs. Typical applications include battery-operated sensor nodes, compact industrial monitoring modules, energy-harvesting IoT endpoints, LED and LCD display controllers, wearable health accessories, and low-power metering peripherals. The on-chip AES block and operational amplifiers reduce the need for external components in secure and analog front-end designs. When designing around this part, keep the 8 KB Flash limit in mind: it fits compact protocol stacks and simple user code, but not large connectivity stacks. Decoupling and layout guidance in the manufacturer datasheet should be followed to keep analog channels and the LCD segment outputs noise-free. This page consolidates distributor pricing, verified device specifications, drop-in same-package alternatives and practical design notes in one place, so engineers can source and qualify the EFM32TG840F8-QFN64T without digging through multiple catalog listings.

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EFM32TG842F16-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG842F16-QFP64

EFM32TG842F16-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG842F16-QFP64 is an ARM Cortex-M3 microcontroller operating up to 32 MHz, with 16 KB of Flash memory, 4 KB of RAM, 53 digital I/O pins, and two 16-bit timers in a 64-TQFP 10 x 10 mm package. The device belongs to the EFM32 Tiny Gecko family and combines a 32-bit microcontroller core with energy-saving modes and fast wake-up behavior for embedded designs. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The Cortex-M3 architecture provides a 32-bit processing platform for control logic, while the EFM32 family adds low-power operating modes suitable for battery-powered instrumentation, sensors, industrial controls, and connected products. Fast wake-up capability helps reduce the time required to resume useful computation after a low-power interval. The EFM32TG842F16-QFP64 provides 16 KB of Flash for firmware and 4 KB of SRAM for working data. Its 53 digital I/O pins support external sensors, controls, indicators, and communication peripherals. Two 16-bit timers can provide counting, timing, pulse-width measurement, and periodic event generation. The listed operating supply range is 1.85 V to 3.8 V, allowing integration with common low-voltage embedded systems. The Tiny Gecko platform emphasizes energy efficiency through low-energy techniques, fast wake-up times, and energy-saving modes. This makes the MCU relevant to designs where average power consumption matters as much as processing performance. At the same time, the 32 MHz Cortex-M3 core provides sufficient control bandwidth for low-to-moderate complexity embedded workloads without requiring a higher-power processor. Typical uses include low-power sensor nodes, industrial monitoring equipment, metering devices, compact control panels, battery-operated instruments, and communication modules. Its 64-TQFP package exposes more I/O than smaller packages, making it useful when a design needs numerous discrete connections while retaining a surface-mount PCB footprint. Designers should account for the 1.85 V to 3.8 V supply range, confirm every peripheral and alternate-function assignment against the pin table, and provide appropriate decoupling close to the supply pins. Firmware should also use the documented low-power modes and wake-up sources to achieve the intended battery-life target rather than relying on processing speed alone. This product analysis combines the manufacturer device information with package, memory, timer, interface, and power attributes, alongside verified ordering variants and practical integration guidance. It is designed to help engineers compare capacity, pin availability, supply compatibility, and drop-in replacement options before committing a 64-TQFP PCB layout.

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EFM32TG842F8-D-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG842F8-D-QFP64

EFM32TG842F8-D-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG842F8-D-QFP64 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 KB of Flash memory, 2 KB of RAM, and 53 digital I/O pins in a 64-pin TQFP package measuring 10 mm by 10 mm. Its 1.98 V to 3.8 V operating-supply range supports low-voltage embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and communication interfaces on one device. The EFM32 Tiny Gecko family belongs to the hierarchy of 32-bit MCU, embedded processor, microcontroller, and semiconductor. It is designed for compact products that require deterministic control, flexible peripheral routing, and low-energy operation without a separate external memory bus. The device provides 2 timers with 16-bit counters, configurable peripheral I/O locations, fast wake-up behavior, and energy-saving operating modes. Its 8 KB Flash stores firmware while 2 KB of RAM supports working data and stack operations. The 53 digital I/O pins provide connections for sensors, actuators, indicators, communications, and control logic. These features make the MCU suitable for energy-sensitive monitoring, industrial control, and connected embedded equipment. The EFM32 architecture combines an ARM Cortex-M3 32-bit RISC processor with configurable peripherals and energy-management hardware. According to the manufacturer datasheet, the Cortex-M3 core can achieve as much as 1.25 Dhrystone MIPS per MHz, while a Memory Protection Unit supports up to eight memory segments. A Wake-up Interrupt Controller handles events occurring while the processor is asleep, supporting responsive operation without continuous active processing. Typical uses include low-power sensor nodes, compact industrial controllers, energy-harvesting equipment, building controls, and connected IoT terminals. The device can serve systems that repeatedly sleep between measurements, wake for a task, process peripheral data, and return to a low-power state. Its 53 I/O pins also reduce the need for an external I/O expander in moderately connected designs. PCB implementation requires careful decoupling, clock planning, and exposed-pad layout according to the manufacturer package guidance. Place the recommended input and bypass capacitors close to their corresponding supply pins, route sensitive clock and reset signals away from fast-switching nodes, and provide a continuous ground reference. Firmware selection must also account for the 8 KB Flash limit and the specific peripheral set of the chosen device variant. This page consolidates the key electrical, memory, timing, package, and lifecycle characteristics of the EFM32TG842F8-D-QFP64, compares same-family hardware options, and provides practical guidance for firmware, PCB, and sourcing decisions.

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EFM32TG842F8-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG842F8-QFP64

EFM32TG842F8-QFP64 - 32MHz Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG842F8-QFP64 is an ARM Cortex-M3 Tiny Gecko microcontroller rated up to 32 MHz, with 8 kB Flash, 2 kB RAM, and 53 digital I/O pins in a 64-TQFP 10 x 10 mm package. It operates from a 1.85 V to 3.8 V supply, making it suitable for compact, energy-sensitive embedded systems that need substantial GPIO connectivity and low-power operation. A microcontroller is a programmable system-on-chip integrating a CPU core, memory, timers, communication peripherals, and I/O into one device. The EFM32 Tiny Gecko family combines an ARM Cortex-M3 processor with low-energy design techniques, fast wake-up behavior, and energy-saving modes. This places it within the hierarchy MCU, embedded processor, semiconductor, and energy-conscious embedded control. The EFM32TG842F8-QFP64 includes 8 kB of Flash for program storage and 2 kB of SRAM for working memory. Its 53 digital I/O pins provide broad integration opportunities, while two 16-bit timers support timing, pulse-width, and periodic-control tasks. Verified distributor data also identifies the device as an LCD and AES MCU, indicating dedicated support for embedded display and security-oriented applications. The 64-TQFP package provides 64 physical pins, enabling more peripheral and signal access than the 8 kB memory footprint alone might suggest. Because pin multiplexing determines which peripheral functions can be assigned simultaneously, designers should review the pin configuration tables before fixing a board layout. The 10 x 10 mm package is larger than common QFN packages but remains practical for industrial and consumer boards requiring broad lead-based connectivity. Typical uses include low-power sensor nodes, compact industrial controllers, wearable and wellness equipment, LCD-driven user interfaces, and security-equipped embedded controls. The 32 MHz Cortex-M3 core provides more compute headroom than lower-clock general-purpose microcontrollers while the Tiny Gecko power-management features support duty-cycled operation. The principal design constraint is memory sizing: 8 kB Flash and 2 kB RAM may be sufficient for small control loops but restrictive for protocol-heavy firmware, graphical interfaces, or extensive logging. Confirm the required code and data budget, peripheral pin mapping, and voltage tolerances before committing to this MCU. This product data combines the official specification page, distributor listings, and verified cross-reference results with engineering-focused application, comparison, and design guidance. It also distinguishes confirmed drop-in alternatives from parts that cannot safely replace this exact 64-pin device.

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EFM32TG842F8-QFP64T - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG842F8-QFP64T

EFM32TG842F8-QFP64T - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG842F8-QFP64T is an ARM Cortex-M3 32-bit microcontroller operating up to 32 MHz, with 8 kB Flash memory, 2 kB RAM, 53 digital I/O pins, and a 64-pin TQFP package measuring 10 mm by 10 mm. The device is designed for energy-sensitive embedded systems that require responsive processing, low-power operation, integrated analog functions, and flexible peripheral routing. An ARM Cortex-M3 microcontroller is a 32-bit embedded processor built around the ARM instruction set and designed for control-oriented applications. The EFM32 Tiny Gecko family combines the Cortex-M3 core with autonomous peripherals, energy-saving modes, fast wake-up behavior, LCD support, AES hardware, and analog resources. Within the embedded semiconductor hierarchy, this device belongs to the microcontroller, embedded processor, and energy-efficient IoT device-control categories. Key device attributes include a maximum clock frequency of 32 MHz, 8 kB of Flash, 2 kB of RAM, 53 digital I/O pins, two 16-bit timers, AES support, LCD capability, and three operational amplifiers. A 1.85 V to 3.8 V supply range permits operation from a regulated 3 V rail or a suitable low-voltage battery arrangement, subject to the detailed power-system requirements in the manufacturer datasheet. The Tiny Gecko architecture is intended to reduce processing overhead by allowing peripherals to perform routine tasks independently of the CPU. Low-energy techniques and sleep modes are especially useful in battery-powered products where the MCU must alternate between short active intervals and long low-power intervals. The family data sheet also identifies low Stop-mode consumption and approximately 150 uA/MHz Run-mode consumption as platform characteristics, while exact operating conditions must be evaluated for the selected package and operating configuration. Typical uses include low-power sensor nodes, compact industrial monitoring equipment, connected IoT controls, small LCD instruments, security-equipped portable products, and embedded consumer devices. AES hardware can support encrypted data transfer or protected firmware workflows, while the integrated op-amps and LCD interface reduce the need for separate components in compact systems. PCB design should preserve short, quiet analog connections around the operational amplifiers and place decoupling capacitance close to the supply pins. Confirm the exact pin assignments, exposed pad requirements, and power-entry sequence in the manufacturer pinout and application information before layout release. This page combines manufacturer specifications, application guidance, and replacement analysis for faster engineering review.

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EFM32WG295F256-BGA120 - 48MHz Cortex-M4 256KB Wonder Gecko | Silicon Labs
EFM32WG295F256-BGA120

EFM32WG295F256-BGA120 - 48MHz Cortex-M4 256KB Wonder Gecko | Silicon Labs

Buy EFM32WG295F256-BGA120 Silicon Labs Wonder Gecko MCU, 48 MHz Cortex-M4F, 256 KB Flash, 120-BGA. Ideal for IoT, wearables, metering. Datasheet available.

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