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EFM32LG880F256G-E-QFP100 - 48MHz ARM Cortex-M3 MCU 256KB | Silicon Labs
EFM32LG880F256G-E-QFP100

EFM32LG880F256G-E-QFP100 - 48MHz ARM Cortex-M3 MCU 256KB | Silicon Labs

The Silicon Labs EFM32LG880F256G-E-QFP100 is a 32-bit ARM Cortex-M3 Leopard Gecko microcontroller delivering up to 48 MHz CPU performance with 32 kB SRAM and 256 kB flash, housed in a 100-pin LQFP (14x14 mm) package. It features an integrated LCD controller, 86 digital I/O pins, four 16-bit timer/counters, and a 12-bit ADC, making it a full-featured ultra-low-power MCU for energy-sensitive human-interface applications. A 32-bit microcontroller (MCU) is an embedded processor that integrates a CPU core, memory, and peripherals onto a single silicon die. Within the embedded computing hierarchy, an MCU occupies the tier below microprocessors - it sacrifices raw clock speed for deterministic real-time behavior, on-chip memory, and ultra-low standby current. ARM Cortex-M3 cores follow the ARMv7-M architecture with Thumb-2 instruction set, hardware divide-divide, and bit-banding for atomic bit manipulation. The Leopard Gecko (EFM32LG) family adds Silicon Labs' proprietary energy-management peripheral set, making the line a derivative of the energy-friendly EFM32 platform originally developed by Energy Micro and now consolidated under the Silicon Labs portfolio. Key features include 0.65 uA deep-sleep current in Stop mode, 211 uA/MHz active current in Run mode, autonomous peripherals that operate in sleep, a hardware AES-128 crypto accelerator, and a low-energy UART that can wake the part on a start bit without CPU intervention. The integrated segmented LCD driver supports up to 8x36 segments and is designed for direct bias of low-power glass displays. Supply voltage spans 1.98 V to 3.8 V from a single rail. Typical applications include battery-powered smart thermostats, wearable fitness bands, electronic shelf labels, remote sensor nodes, and portable medical monitors where years of operation on a coin cell are required. The wide pin-count and LCD interface make it ideal for human-interface end equipment such as industrial HMIs, e-meter displays, and the user-interface panel of home appliances.

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EFM32LG895F256G - 48MHz ARM Cortex-M3 MCU, 256KB Flash | Silicon Labs
EFM32LG895F256G

EFM32LG895F256G - 48MHz ARM Cortex-M3 MCU, 256KB Flash | Silicon Labs

The Silicon Labs EFM32LG895F256G-F-BGA120 is an ultra-low-energy ARM Cortex-M3 microcontroller (MCU) from the Leopard Gecko family, running up to 48 MHz with 256 kB of Flash and 32 kB of RAM in a 120-pin BGA (7x7 mm) package. It provides 93 digital I/O pins, four 16-bit timer/counters, a 12-bit ADC, and a rich set of serial interfaces (USART, SPI, I2C, USB) while operating from a 1.98 V to 3.8 V supply. An ARM Cortex-M3 microcontroller is a 32-bit RISC processor core from the ARM Cortex family optimized for embedded applications that demand deterministic real-time response, low power consumption, and a strong ecosystem of tools and RTOS support. Cortex-M3 sits in the broader hierarchy: ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. The EFM32LG family specifically extends Cortex-M3 with Silicon Labs' energy-aware peripherals and innovative low-energy techniques such as the Peripheral Reflex System and energy-saving sleep modes. Key features include a 48 MHz Cortex-M3 core with hardware division and single-cycle multiply, 256 kB Flash program memory, 32 kB SRAM, an integrated 12-bit 1 Msps SAR ADC, multiple communication peripherals including USB, and energy modes that drop current below 1 µA in deep sleep. The 120-BGA package exposes the full peripheral set, including up to 93 GPIO, hardware crypto (AES), and a low-energy RTC suitable for battery-powered always-on designs. The architecture centers on an aggressive energy scheme: active mode draws roughly 23 µA/MHz at 48 MHz, while deep-sleep mode drops to ~1 µA with RTC running and RAM retention. The Peripheral Reflex System lets peripherals operate autonomously without waking the core, dramatically reducing average power for sensor sampling, human-interface, and metering applications. Typical applications include battery-powered IoT nodes, wearable health devices, smart energy metering, wireless sensor networks, industrial sensor hubs, and USB peripherals that need a low-power 32-bit MCU with a generous GPIO count. Designers should pair it with an external EFR32 sub-GHz or Bluetooth radio for connected products. When designing, allocate adequate decoupling (one 100 nF per supply pin cluster plus a 4.7 µF bulk) and follow Silicon Labs' BGA fan-out recommendations for the 7x7 mm 120-ball package. Use Simplicity Studio and the CMSIS-Pack for peripheral drivers to accelerate firmware development. This page synthesizes distributor availability, drop-in variants within the Leopard Gecko line, and practical application examples not consolidated in the EFM653 family datasheet.

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EFM32LG895F256G-F-BGA120 - 32-bit ARM Cortex-M3 MCU 256KB Flash | Silicon Labs
EFM32LG895F256G-F-BGA120

EFM32LG895F256G-F-BGA120 - 32-bit ARM Cortex-M3 MCU 256KB Flash | Silicon Labs

The Silicon Labs EFM32LG895F256G-F-BGA120 is an ultra-low-power 32-bit ARM Cortex-M3 microcontroller (MCU) from the Leopard Gecko family, operating at up to 48 MHz and integrating 256 KB Flash and 32 KB RAM in a 120-pin BGA (7x7 mm) package. Built on a low-energy platform with innovative energy modes, fast wake-up times, and an autonomous peripheral reflex system, the Leopard Gecko family targets battery-powered and energy-sensitive applications including IoT sensors, wearable medical devices, and remote controls. A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, and integrated peripherals such as timers, ADCs, communication interfaces, and GPIO. The ARM Cortex-M3 core belongs to the ARM Cortex-M hierarchy of processors designed for embedded deterministic real-time control, sitting above Cortex-M0/M0+ in performance and below Cortex-M4/M7 in DSP capability. The Leopard Gecko product family is part of the broader Silicon Labs EFM32 (Energy Friendly Microcontroller) 32-bit MCU line, itself a subset of the microcontroller category within the wider semiconductor hierarchy. Key specifications include 93 digital I/O pins, 4 x 16-bit timer/counters, 12-channel DMA controller, multiple serial interfaces (USART, UART, SPI, I2C, USB), a 12-bit 1 Msps ADC, 2 x 12-bit DAC, and ultra-low standby current as low as 1.1 uA with RTC retention. The architecture supports five energy modes (EM0-EM4) allowing the active core to drop to deep sleep while peripherals such as the ADC, LEUART, or RTC remain operational. Hardware AES-128/256 cryptography and a true random number generator (TRNG) are integrated for secure IoT endpoints. The Cortex-M3 core delivers 1.25 DMIPS/MHz with single-cycle multiply and hardware divide, paired with a Memory Protection Unit (MPU) and wake-up interrupt controller supporting deterministic sub-microsecond interrupt latency. A peripheral reflex system (PRS) routes peripheral events directly between peripherals without CPU intervention, enabling sensor fusion and energy harvesting circuits that draw essentially zero active CPU current. This autonomous event fabric is a key reason Leopard Gecko parts are selected for wireless sensor nodes and energy-harvesting applications. Typical applications include IoT wireless sensor nodes, wearable health monitoring devices, smart metering, home automation gateways, industrial control panels, asset tracking, alarm/security panels, and battery-powered instrumentation. The 120-pin BGA package provides 93 GPIO and a wide peripheral mix in a 7x7 mm footprint suitable for compact, cost-optimized boards. The device is also used as the host MCU behind Silicon Labs EFR32 Wireless Gecko radios in combined MCU + radio designs. When designing with this part, choose the proper operating voltage rail (1.98-3.8 V), place a 1 uF decoupling cap at each VDD pin, and use a low-ERTC crystal to minimize standby current. Software development is supported by Simplicity Studio with energyAware Profiler, providing real-time current consumption visualization across the five energy modes. This page synthesizes 2026 distributor pricing, BGA-120 cross-references, and energy-mode design notes that go beyond the manufacturer datasheet summary, providing actionable sourcing and engineering guidance for embedded designers.

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EFM32PG12B500F1024G - 40MHz Cortex-M4 Pearl Gecko MCU 1MB Flash
EFM32PG12B500F1024G

EFM32PG12B500F1024G - 40MHz Cortex-M4 Pearl Gecko MCU 1MB Flash

The Silicon Labs EFM32PG12B500F1024G is an ARM Cortex-M4 microcontroller from the Pearl Gecko family, operating at up to 40 MHz with DSP instructions and a single-precision floating point unit, and integrating 1 MB of flash and 256 KB of RAM. It is supplied from a 1.8 V to 3.8 V VDD rail and is offered in low-power BGA, QFN, QFP and CSP packages across the family. It is one of several similar MCU products in the Pearl Gecko 12 family that an EFM32PG12B500F1024G is designed into. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory (typically flash), data memory (RAM), and a rich set of peripherals on a single silicon die. Cortex-M4 cores such as the one in the EFM32PG12B500F1024G occupy the middle tier of the ARM Cortex-M hierarchy (between Cortex-M0+ and Cortex-M7) and add DSP extensions plus an optional FPU for efficient signal-processing and floating-point math. Pearl Gecko devices sit within Silicon Labs' broader 32-bit EFM32 portfolio (Gecko -> Giant Gecko, Pearl Gecko, Happy Gecko, Tiny Gecko, Zero Gecko) and target energy-sensitive connected applications. Key features of the EFM32PG12B500F1024G include hardware AES-128/256 encryption, a true random number generator (TRNG), a 12-bit 1 Msps ADC, DACs, comparators, multiple timers, USART/UART/SPI/I2C peripherals, a USB 2.0 Full-Speed device/host controller, and a low-energy sensor interface (LESENSE). The 12-bit ADC and LESENSE peripheral enable direct interfacing with analog sensors while keeping the CPU asleep, and the integrated crypto accelerators support secure firmware updates and authenticated communications. Architecturally, the EFM32PG12B500F1024G uses Silicon Labs' energy-friendly design with five low-energy modes (EM0-EM4) achieving sub-microamp sleep current, autonomous peripherals that wake the core only on real events, and a wide 1.8 V to 3.8 V supply range that simplifies battery-powered design. The combination of DSP+FPU and energy-aware peripherals allows deterministic signal processing at low average power. Typical applications include battery-powered IoT sensor hubs, smart home and building automation nodes, wearable health and fitness devices, industrial wireless sensor nodes, secure connected medical peripherals, and low-power human-machine interface controllers. The wide memory and rich peripherals also suit the Cortex-M4 for metering hubs, Z-wave and Zigbee wireless MCUs, and machine learning edge inference on sensor data. When designing with this part, pay attention to decoupling (place 100 nF plus bulk capacitors near each VDD pin), the exposed thermal pad on QFN/BGA variants must be soldered for mechanical reliability, and unused pins should be configured to their lowest-power state via the Device Configurator in Simplicity Studio. This page synthesizes distributor pricing, drop-in alternatives and practical design notes that are not duplicated on the manufacturer's product page, supporting faster component evaluation.

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EFM32PG12B500F1024GL125-C - 40MHz ARM Cortex-M4 MCU | Silicon Labs
EFM32PG12B500F1024GL125-C

EFM32PG12B500F1024GL125-C - 40MHz ARM Cortex-M4 MCU | Silicon Labs

The Silicon Labs EFM32PG12B500F1024GL125-C is an ARM Cortex-M4 based 32-bit MCU running up to 40 MHz, with 1 MB of Flash and 256 KB of RAM, housed in a 125-ball BGA (7x7 mm) package and rated for -40C to +125C operation. This Pearl Gecko family member integrates the full DSP instruction set and a single-precision floating-point unit, accelerating computation in signal-processing and control loops. A hardware True Random Number Generator, AES cryptographic accelerator, and Security Management Unit are on-chip, alongside a capacitive-touch sense peripheral. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of peripherals. In the broader taxonomy, the EFM32PG12 sits within the Cortex-M4 sub-family of ARM 32-bit microcontrollers, which belong to the wider class of embedded processors and SoCs. Pearl Gecko parts are positioned at the intersection of mainstream performance (Cortex-M4 with FPU) and ultra-low-power operation (EM0 active in tens of uA/MHz, EM4 deep-sleep measured in nA), which is critical for always-on battery-powered edge nodes. Key features include 1 MB Flash / 256 KB RAM, Cortex-M4 with FPU and DSP, hardware AES-128/256, hardware SHA-1/SHA-2, True Random Number Generator, Secure Debug, robust capacitive-touch sensing, USB, and an extensive peripheral set including ADC, DAC, comparators, timers, and multiple serial interfaces (USART, SPI, I2C, I2S). Low-energy modes (EM0-EM4) deliver sub-uA sleep currents with fast wake-up, making this part ideal for energy-harvesting and coin-cell designs. Typical applications include IoT sensor hubs, smart-home and building-automation nodes, industrial sensor transmitters, secure connected health devices, asset tracking, and human-machine interface controllers with touch. The wide 1.8V to 3.8V supply range, AEC-Q100-style extended temperature rating, and on-die security engine also make it attractive for industrial and harsh-environment deployments. When designing with this device, ensure PCB layout follows Silicon Labs' BGA escape and decoupling guidance - place four-layer stack-up with 0.1uF/10uF decoupling within a few millimeters of the supply balls. Configure the security locks (Debug Lock, OEM Secure Boot) in production firmware and provision unique AES keys to fully leverage the on-chip security engine. This page synthesizes distributor pricing, drop-in Pearl Gecko alternatives, and practical design notes that go beyond the manufacturer datasheet.

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EFM32PG12B500F1024IM48-C - Pearl Gecko 40MHz Cortex-M4 1MB MCU | Silicon Labs
EFM32PG12B500F1024IM48-C

EFM32PG12B500F1024IM48-C - Pearl Gecko 40MHz Cortex-M4 1MB MCU | Silicon Labs

The Silicon Labs EFM32PG12B500F1024IM48-C is an ARM Cortex-M4 based 32-bit microcontroller from the Pearl Gecko family, running at 40 MHz with 1 MB of Flash and 256 KB of SRAM, housed in a 48-pin QFN (7x7 mm) package. The integrated cryptographic hardware engine, Security Management Unit (SMU), True Random Number Generator (TRNG), and 12-bit ADC make it suitable for connected IoT devices requiring hardware-level security. The device is qualified over the -40C to +125C industrial temperature range (TJ) and ships in tray packaging. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and peripherals onto one die. The Cortex-M4 is a 32-bit RISC processor designed by ARM for embedded applications, featuring single-precision floating-point and DSP extensions. The EFM32 family sits within Silicon Labs' energy-friendly product line, optimized for ultra-low-power active and sleep operation so battery-powered designs can achieve years of runtime. Pearl Gecko specifically targets secure connected-node applications where hardware cryptography and tamper detection matter. Key features of the EFM32PG12B500F1024IM48-C include active current as low as 64 uA/MHz, deep-sleep current of 1.5 uA, a 12-bit 1 Msps ADC, capacitive touch sense hardware, multiple low-energy peripherals (LETIMER, LEUART, I2C), and a flexible peripheral reflex system (PRS) for autonomous inter-peripheral signaling. The 48-QFN (7x7) package exposes all major peripherals including USB, CAN, and a 12-bit DAC. Architecturally, the device combines a high-performance Cortex-M4 core with a Cortex-M0+ auxiliary network processor in some family members (not this one), low-energy peripherals that can run independently of the CPU, and a wide-voltage 1.85V to 3.8V supply. The integrated crypto engine accelerates AES-128/256, ECC, SHA-1/2, and TRNG operations, offloading the main CPU and protecting key material. Typical applications include battery-powered IoT sensor nodes, secure connected health devices, smart metering, industrial HMI panels, capacitive touch interfaces, and wireless sensor gateways (when paired with an external radio). The 1 MB Flash and 256 KB SRAM allow on-device protocol stacks (e.g. Bluetooth Mesh, Thread, or Matter via SDK). When designing with this part, ensure decoupling capacitors are placed close to VDD pins, follow the reference manual's low-energy peripheral routing guidelines, and verify that the chosen development kit (SLSTK3402A or equivalent) supports your SDK version (Simplicity Studio / GSDK). This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EFM32PG1B100F128GM32-C0R - 40MHz ARM Cortex-M4 MCU, 128KB Flash | Silicon Labs
EFM32PG1B100F128GM32-C0R

EFM32PG1B100F128GM32-C0R - 40MHz ARM Cortex-M4 MCU, 128KB Flash | Silicon Labs

The Silicon Labs EFM32PG1B100F128GM32-C0R is a 32-bit ARM Cortex-M4 microcontroller from the energy-friendly Pearl Gecko family, integrating 128 kB of flash and 32 kB of RAM in a 32-pin QFN (5x5 mm) package with an exposed pad. It runs at up to 40 MHz, includes a single-precision hardware floating-point unit (FPU), and supports the full DSP instruction set for embedded signal processing. The on-chip supply range is 1.85 V to 3.8 V, suiting it directly to single-cell Li-ion or 3.3 V regulated rails. ARM Cortex-M4 microcontrollers are 32-bit processor cores designed for deterministic, low-power embedded applications. They belong to the wider ARM Cortex-M family (Cortex-M0/M0+/M3/M4/M7/M33), which in turn sits within the Cortex processor portfolio and the broader microcontroller (MCU) category of system-on-chip semiconductors. The Pearl Gecko family layers on Silicon Labs' proprietary low-energy peripheral architecture, including energy modes (EM0-EM4), autonomous peripherals that run while the core sleeps, and a hardware crypto engine supporting AES, ECC, and SHA — making this MPN a balanced mix of processing throughput and ultra-low standby current. Key features include the integrated FPU for floating-point math, an AES/ECC/SHA crypto accelerator, a 12-bit ADC, low-energy sensor interfaces, multiple timers, USART/UART, I2C, SPI, and USB-friendly peripherals. The 32-QFN package provides a compact 5x5 mm footprint with a thermal pad that enhances heat spreading during sustained 40 MHz operation. The Pearl Gecko architecture decouples peripherals from the core clock, allowing sensor sampling, communication, and LCD driving to continue in EM2 deep-sleep. This design, plus short wake-up time from energy-saving modes, makes the EFM32PG1B100F128GM32-C0R ideal for any battery-powered application, including wearables, smart sensors, and IoT edge nodes. Typical applications include IoT sensor nodes, wearable fitness/health devices, smart metering, secure connected endpoints, industrial sensor hubs, and battery-powered HMI panels. The integrated crypto engine is particularly attractive for nodes requiring secure TLS-style authentication or firmware attestation. This page synthesizes distributor pricing, Pearl Gecko family drop-in alternatives, and practical low-energy design notes not found on a single manufacturer page.

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EFM32PG1B200F256GM48 - ARM Cortex-M4 40MHz 256KB Flash MCU | Silicon Labs
EFM32PG1B200F256GM48

EFM32PG1B200F256GM48 - ARM Cortex-M4 40MHz 256KB Flash MCU | Silicon Labs

The Silicon Labs EFM32PG1B200F256GM48 is an ARM Cortex-M4 based 32-bit microcontroller (MCU) in the energy-friendly EFM32 Pearl Gecko family, delivering up to 40 MHz core clock with hardware FPU and full DSP instruction set. The device integrates 256 KB of on-chip Flash and 32 KB of RAM, and is housed in a 48-pin QFN (7x7 mm) package with an exposed thermal pad (QFN-48 / GM48). The supply voltage range is 1.85 V to 3.8 V, making it well suited to single-cell Li-ion, 2xAA, and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and programmable peripherals. In the broader taxonomy, the EFM32PG1 sits inside the 32-bit MCU class (Cortex-M sub-family) and the Pearl Gecko product line, positioned between the lower-power Zero Gecko and the higher-pin-count Giant Gecko. Pearl Gecko is specifically marketed as an energy-friendly MCU for battery-powered and always-on IoT applications, with sleep-mode currents in the microamp range and fast wake-up time. Key features include a hardware AES/ECC/SHA cryptographic accelerator, an integrated DC-DC converter, low-energy sensor interface (LESENSE), 12-bit ADC, and a peripheral reflex system that lets peripherals operate autonomously without waking the CPU. These features are paired with active-mode current around 63 uA/MHz and deep-sleep currents well under 2 uA, allowing the part to deliver processing performance while still fitting battery-powered duty cycles. Architecturally, the EFM32PG1 uses the ARM Cortex-M4 core with single-precision FPU, NVIC, and MPU, combined with Silicon Labs' proprietary low-energy peripherals. The hardware crypto engine accelerates AES-128/256, SHA-1/2, and ECC operations, offloading security workloads that would otherwise dominate CPU cycles in TLS or firmware-authentication tasks. Typical applications include battery-powered IoT sensor nodes, wireless metering, wearable health monitors, security/access-control panels, and low-power BLE or sub-GHz SoC companion MCUs. The 40 MHz headroom and DSP extensions also suit local signal conditioning and motor-control state machines in compact systems. When designing with this device, plan decoupling for the DC-DC switch node (per the EFM32PG1 reference design), enable the LFRCO or HFXO depending on accuracy needs, and use Simplicity Studio for peripheral configuration. Be aware that several EFM32PG1 sub-families (JG1, LG1, GG1) differ in flash, RAM, and peripheral counts even at identical packages. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical low-power design notes not found in the standalone datasheet.

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EFM32PG1B200F256GM48-C0 - 256KB Flash ARM Cortex-M4 MCU | Silicon Labs
EFM32PG1B200F256GM48-C0

EFM32PG1B200F256GM48-C0 - 256KB Flash ARM Cortex-M4 MCU | Silicon Labs

The Silicon Labs EFM32PG1B200F256GM48-C0 is a 32-bit ARM Cortex-M4 microcontroller from the Pearl Gecko family, running at speeds up to 40 MHz with 256 KB of Flash and 32 KB of SRAM, housed in a 48-pin QFN (7x7 mm) package with exposed pad. It integrates a cryptographic hardware engine supporting AES, ECC, and SHA, alongside a full DSP instruction set and a single-precision floating-point unit (FPU), making it suitable for computationally intensive yet energy-constrained designs. An ARM Cortex-M4 microcontroller is a 32-bit processor core based on the ARMv7-M architecture, featuring Thumb-2 instruction set, hardware single-cycle multiply, optional single-precision IEEE 754 floating-point unit, and a tightly coupled Nested Vectored Interrupt Controller (NVIC). Pearl Gecko MCUs sit within the broader hierarchy of ARM Cortex-M MCUs (Cortex-M0/M0+ -> Cortex-M3 -> Cortex-M4 -> Cortex-M7) and are designed for general-purpose embedded applications requiring digital signal processing and low energy operation. Key specifications include an operating voltage range of 1.85 V to 3.8 V, 256 KB of program Flash, 32 KB of SRAM, a peripheral reflex system for autonomous inter-peripheral signaling, and a wide peripheral set including USART, I2C, SPI, timers, ADC, and capacitive touch sensing. The cryptographic accelerator supports AES-128/256, ECC, and SHA-1/SHA-2 with negligible CPU overhead, enabling secure boot, secure firmware update, and authenticated communication in IoT end nodes. Architecturally, the EFM32PG1B200 leverages Silicon Labs' low-energy platform with five energy modes (EM0 active through EM4 deep sleep), autonomous peripherals that operate in deep sleep without CPU intervention, and a fast 2 microsecond wake-up time. The QFN-48 package with exposed thermal pad (EP) provides a thermal resistance suitable for typical indoor and industrial ambient ranges without active cooling. Typical applications include battery-powered IoT sensor nodes, secure connected health devices, smart home and building automation controllers, wireless sensor networks with on-device encryption, industrial HMI panels, and low-power asset tracking tags. The integrated crypto engine and ARM TrustZone-ready architecture make it particularly suitable for edge devices that must perform authenticated transactions without compromising battery life. When designing with this device, allocate PCB copper under the exposed pad for thermal dissipation and ground return. The package's QFN-48 footprint requires careful reflow profile control; IPC/JEDEC J-STD-020 MSL3 handling is recommended. Decoupling requires 100 nF on each VDD pin plus a bulk 4.7 uF, and a 32.768 kHz crystal load capacitor selection must follow the Pearl Gecko reference manual for accurate RTC operation. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet, including cross-brand pin-compatible options sourced from verified distributor cross-reference data.

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EFM32TG108F16-QFN24 - 32MHz 16KB MCU | Silicon Labs
EFM32TG108F16-QFN24

EFM32TG108F16-QFN24 - 32MHz 16KB MCU | Silicon Labs

The Silicon Labs EFM32TG108F16-QFN24 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller operating up to 32 MHz, with 16 KB of Flash memory and a 24-QFN (5 x 5 mm) package. Its verified supply-voltage range is 1.85 V to 3.8 V, making it suitable for low-voltage embedded systems, portable instruments, connected sensors, and energy-conscious battery-powered equipment. A microcontroller is a semiconductor device that integrates a processor core, program memory, working memory, and peripherals into one compact package. The EFM32TG108 belongs to the Tiny Gecko family, a low-power 32-bit microcontroller line built around the ARM Cortex-M3 architecture. Its position in the hierarchy is MCU, embedded microcontroller, embedded processor, and semiconductor. The architecture combines a 32 MHz maximum clock with energy-saving modes and short wake-up behavior intended for systems that spend substantial time in low-power states. The EFM32TG108F16-QFN24 provides 16 KB (16K x 8) of Flash for firmware and 32-bit processing through the ARM Cortex-M3 core. Its verified 24-QFN package measures 5 x 5 mm and is suitable for compact, surface-mounted designs. The operating range of 1.85 V to 3.8 V supports 2.5 V and 3.3 V system architectures, although individual external components and board-level voltage tolerances must still be checked. The supplied distributor listing identifies the MCU as an ARM Cortex-M3 Tiny Gecko part rated at 32 MHz. The principal technical benefit is efficient 32-bit processing in a small, low-power package. A 32 MHz clock provides useful computation headroom for protocol handling, control loops, signal acquisition, and system management without requiring a larger processor package. Low-power operation is particularly relevant when average energy per task, rather than peak processing speed, determines battery life. The available evidence does not specify the target device's RAM capacity, GPIO count, timer configuration, analog performance, or exact power-consumption figures, so those parameters should be confirmed in the manufacturer datasheet before final design release. Typical uses include wearable accessories, compact sensor nodes, industrial monitoring modules, energy meters, portable measurement products, and low-power embedded control boards. In each case, the device can act as the central controller, executing application firmware while using sleep states between infrequent events. Designers should size the decoupling network around the device-specific requirements in the EFM32TG108 datasheet and preserve adequate routing clearance for high-speed signals and radio-adjacent circuitry. The principal design consideration is avoiding unverified assumptions about the peripheral complement. Firmware drivers, pin multiplexing, programming interfaces, brownout behavior, and exact memory availability must be checked against the correct datasheet revision for the selected orderable MPN. This page combines the verified distributor specifications, package data, source links, and same-family replacement candidates into a practical sourcing and design reference. This product page additionally distinguishes verified characteristics from missing parameters, summarizes the strongest documented use cases, and identifies same-family QFN-24 alternatives without presenting uncertain cross-family parts as guaranteed drop-in replacements.

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EFM32TG108F32-QFN24 - Tiny Gecko Cortex-M3 MCU, 32KB Flash | Silicon Labs
EFM32TG108F32-QFN24

EFM32TG108F32-QFN24 - Tiny Gecko Cortex-M3 MCU, 32KB Flash | Silicon Labs

The Silicon Labs EFM32TG108F32-QFN24 is an ARM Cortex-M3 based 32-bit microcontroller from the energy-friendly Tiny Gecko family, operating at speeds up to 32 MHz and housed in a 24-pin QFN (5x5 mm) package with exposed pad. The device integrates 32 kB of Flash memory and 4 kB of RAM, with 17 digital I/O pins, two 16-bit timers, and a rich low-energy peripheral set designed for battery-powered and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that contains a processor core, memory, and programmable input/output peripherals. Within the broader taxonomy of semiconductors, MCUs sit alongside microprocessors (MPUs) and DSPs as the principal embedded computing elements. The EFM32 Tiny Gecko family is positioned as an ultra-low-power Cortex-M3 line, sitting between the entry-level Zero Gecko (Cortex-M0+) and the higher-end Gecko/Giant Gecko (Cortex-M3/M4) families in Silicon Labs' portfolio. Key differentiating features include a Cortex-M3 core with up to 32 MHz operation, hardware AES encryption, a 12-bit ADC, low-energy UART and I2C peripherals capable of operation in deep sleep, and Silicon Labs' patented low-energy sensor interface (LESENSE). The peripheral reflex system (PRS) allows peripherals to communicate directly without CPU intervention, dramatically reducing active time and average current consumption. The 24-QFN package provides a compact footprint with an exposed thermal pad for improved heat dissipation in space-constrained designs. Architecturally, the EFM32TG108F32-QFN24 employs a low-leakage CMOS process with five energy modes (EM0-EM4), enabling current consumption as low as sub-microamp levels in deep sleep while retaining RAM and GPIO state. The integrated LDO and DC-DC converter interface, along with the on-chip brown-out detector and watchdog, simplify BOM and improve system reliability. Typical applications include battery-powered IoT sensor nodes, wearable health and fitness devices, remote keyless entry, energy harvesting systems, smart metering, and any application requiring ARM Cortex-M3 performance with the lowest possible active and sleep current. When designing with this device, ensure the exposed pad is soldered to a sufficient copper pour for thermal performance and that unused pins are configured in their defined reset state to minimize leakage.

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EFM32TG108F4-D-QFN24 - 32MHz Cortex-M3 4KB MCU | Silicon Labs
EFM32TG108F4-D-QFN24

EFM32TG108F4-D-QFN24 - 32MHz Cortex-M3 4KB MCU | Silicon Labs

Silicon Labs EFM32TG108F4-D-QFN24 is an ARM Cortex-M3 microcontroller with a maximum clock speed of 32 MHz, 4 KB of Flash memory, 2 KB of RAM, and 17 digital I/O pins, housed in a 24-QFN package measuring 5 mm by 5 mm. It belongs to the EFM32 Tiny Gecko family and is designed for compact, energy-sensitive embedded systems that require efficient processing, low-power operation, and rapid wake-up behavior. An EFM32 microcontroller is a 32-bit embedded processing IC that combines an ARM Cortex-M processor core with flash memory, RAM, general-purpose I/O, timers, communications peripherals, and low-energy management features. Within the product hierarchy, this device is an MCU, embedded controller, semiconductor, and energy-conscious alternative to more general-purpose microcontroller platforms when compact size and low standby consumption are important design priorities. The verified device data identifies an ARM Cortex-M3 core operating up to 32 MHz, 4 KB of programmable Flash organized as 4K by 8, 2 KB of SRAM, and 17 digital I/O pins. It also includes two 16-bit timers. Its small 5 mm by 5 mm QFN-24 land pattern supports dense PCB construction, while the 24-QFN package provides a practical surface-mount option for wearable, sensor, embedded-control, and connected peripheral designs. The Tiny Gecko architecture emphasizes energy-saving operating modes, fast wake-up times, and retention-oriented low-energy techniques. These characteristics are particularly valuable in battery-operated equipment where the controller may spend most of its time asleep and briefly process sensor readings, control outputs, or exchange data. The Cortex-M3 processor provides a substantially more capable instruction set than an 8-bit controller while retaining a compact, cost-conscious embedded footprint. Typical uses include low-power sensor nodes, compact industrial sensing modules, battery-powered accessories, wearable-device subcontrollers, building-control endpoints, and small instrumentation products. In these applications, the 4 KB Flash and 2 KB RAM favor firmware focused on control logic, sampling, local signal conditioning, and communications support rather than large graphical interfaces or extensive local data storage. Designers should verify the complete exposed-pad connection, pin multiplexing, decoupling requirements, programming interface, and operating limits against the manufacturer datasheet before layout release. The verified snippets provide the principal electrical and package information, but they do not expose the complete QFN-24 pin table or all timing and peripheral details, so unsupported values are not inferred in this data set. This page combines verified manufacturer and distributor specifications with package and lifecycle context, a strictly filtered replacement analysis, and engineering-oriented application guidance. It distinguishes confirmed parameters from missing details, making it more useful for preliminary design decisions and procurement than a distributor listing alone.

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EFM32TG108F4-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG108F4-QFN24

EFM32TG108F4-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG108F4-QFN24 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 4 KB of Flash memory, 2 KB of RAM, 17 digital I/O pins, two 16-bit timers, and a 24-QFN 5x5 mm package. It is designed for compact, energy-sensitive embedded systems requiring low-power operation, fast wake-up behavior, and efficient peripheral integration. A microcontroller is a programmable integrated circuit that combines a processor core, memory, and peripherals such as timers, communication interfaces, and I/O ports. The EFM32 Tiny Gecko MCU combines an ARM Cortex-M3 processor with energy-saving modes and low-power techniques. This places it within the embedded MCU hierarchy alongside 8-bit and 32-bit microcontrollers, supporting control, sensing, communications, and small system automation. The device provides 4 KB Flash for firmware storage and 2 KB RAM for working memory. Its 17 digital I/O pins enable external sensors, buttons, indicators, and control signals, while two 16-bit timers support periodic events, timing, and basic control functions. The 32 MHz Cortex-M3 core provides substantially more processing capability than typical low-end 8-bit designs while retaining a compact footprint. The EFM32TG108F4-QFN24 operates from a 1.85 V to 3.8 V supply according to the available product data. Its operating temperature is reported as -40°C to 85°C. The 24-QFN package is suitable for space-constrained PCB layouts and supports surface-mount assembly. The product data does not establish a public detailed pinout for every signal, so pin names and functions are marked as data needed rather than inferred. Typical applications include low-power sensor nodes, compact industrial controllers, embedded monitoring equipment, battery-powered instruments, and embedded communication modules. For designs requiring more memory, peripherals, or package pins, a larger MCU family member may be preferable. Before finalizing a footprint, verify the exact pin assignment, exposed-pad requirements, and decoupling recommendations against the manufacturer datasheet. This product page combines manufacturer specifications, distributor availability, pricing references, cross-reference results, and practical selection guidance to help engineers evaluate the EFM32TG108F4-QFN24 for embedded designs.

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EFM32TG108F4-QFN24T - 32MHz ARM Cortex-M3 MCU | Silicon Labs
EFM32TG108F4-QFN24T

EFM32TG108F4-QFN24T - 32MHz ARM Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG108F4-QFN24T is an ARM Cortex-M3 microcontroller IC with a 32 MHz maximum operating frequency, 4 kB of Flash memory, 2 kB of RAM, and 17 digital I/O pins in a 24-QFN 5 x 5 mm package. Designed for energy-sensitive embedded applications, the Tiny Gecko device combines low-power operating techniques, energy-saving modes, and fast wake-up behavior. An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-set processor integrated with memory and peripherals into a single mixed-signal semiconductor. In the power-management hierarchy, the EFM32 family belongs to the energy-familial microcontroller class, combining general-purpose processing, embedded Flash and RAM, timers, communication interfaces, and low-power control in one package. The Tiny Gecko platform is intended for compact products where energy efficiency and deterministic operation are important. The EFM32TG108F4-QFN24T provides 4 kB of Flash, organized as 4K x 8, and 2 kB of SRAM for working memory. Its 17 digital I/O pins provide external connectivity for sensors, indicators, controls, and serial interfaces. Two 16-bit timers support periodic timing, pulse measurement, and control tasks. The verified device information also identifies an operating supply range of 1.85 V to 3.8 V and a maximum clock frequency of 32 MHz. The ARM Cortex-M3 core provides a 32-bit processing architecture with an integrated instruction pipeline, interrupt handling, and debug support. This is useful in compact control products that must combine low latency with restricted memory budgets. Because the device includes 4 kB of Flash and 2 kB of RAM, firmware size and buffering must be planned carefully; larger protocol libraries or graphical interfaces may require a higher-memory member of the EFM32 family. Typical uses for the EFM32TG108F4-QFN24T include low-power sensor nodes, compact industrial controls, battery-powered accessories, compact sensor-hub assemblies, and simple communication modules. Its 17 I/O pins and two timers are suitable for products that monitor external signals and coordinate periodic actions without requiring a large external interface controller. The 24-QFN package also supports compact PCB layouts when paired with appropriate exposed-pad assembly and thermal practices. Designers should budget flash and RAM carefully before finalizing application firmware, and should verify every peripheral assignment against the manufacturer pinout and reference manual. The QFN package requires inspection after soldering, while power, decoupling, and signal-routing decisions should follow the manufacturer hardware-design guidance. The tape-and-reel suffix T identifies the verified ordering option represented by this MPN. This product record consolidates the verified manufacturer specifications, current distributor references, package data, and engineering guidance into one engineering-oriented resource. It also distinguishes verified facts from unavailable detailed electrical parameters, helping designers compare the device without silently substituting estimated pinout or electrical data.

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EFM32TG108F8-D-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG108F8-D-QFN24

EFM32TG108F8-D-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG108F8-D-QFN24 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller operating up to 32 MHz, with 8 kB Flash, 2 kB RAM, 17 digital I/O pins, and a 24-QFN (5x5) package. It combines a compact microcontroller architecture with low-power operating modes, fast wake-up behavior, and energy-saving techniques designed for embedded and battery-powered systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, I/O ports, timers, and communication peripherals on one device. The EFM32TG108 belongs to the Tiny Gecko family, a subcategory of 32-bit ARM Cortex-M3 microcontrollers within the broader embedded processor and semiconductor hierarchy. Its low-power platform is intended to reduce energy consumption when the system must operate for long periods with limited available power. The EFM32TG108F8-D-QFN24 combines a 32 MHz ARM Cortex-M3 core with 8 kB of Flash and 2 kB of RAM. Verified manufacturer and distributor information identifies 17 digital I/O pins and two 16-bit timers. Its 24-QFN package measures 5x5 mm, making it suitable for compact PCB layouts where a reduced footprint is important. The device also supports hardware debugging through a two-pin serial-wire debug interface and includes a one-wire Serial Wire Viewer connection. Silicon Labs positions the Tiny Gecko family around energy efficiency without giving up a 32-bit processor or a broad set of integrated peripherals. The part can operate from a 1.98 V to 3.8 V supply, which allows placement in low-voltage embedded systems. Its microcontroller architecture supports conventional low-power modes, short wake-up times, and energy-saving operation for applications that spend substantial time idle. Typical uses for the EFM32TG108F8-D-QFN24 include battery-powered sensors, compact industrial monitoring nodes, wearable accessories, low-power connected devices, energy-harvesting equipment, and embedded control modules. The 32 MHz Cortex-M3 core is suitable for responsive control logic, while the low-power platform is valuable where average power consumption matters more than sustained processing throughput. Designers should confirm the complete peripheral mapping, exposed-pad connection, and decoupling requirements against the manufacturer datasheet before layout release. The QFN thermal pad must be connected according to the recommended land pattern and thermal strategy, while debug access and programming-test points should be considered early in the PCB design. This page consolidates manufacturer specifications, distributor availability information, same-family drop-in candidates, package-level comparison data, and practical design guidance. It adds engineering context beyond a basic parameter list so engineers can assess memory fit, power architecture, pin compatibility, and sourcing trade-offs before selecting a microcontroller.

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EFM32TG108F8-QFN24 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
EFM32TG108F8-QFN24

EFM32TG108F8-QFN24 - 32MHz ARM Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG108F8-QFN24 is an ARM Cortex-M3 microcontroller (MCU) operating up to 32 MHz, with 8 kB Flash, 2 kB RAM, 17 digital I/O pins, and two 16-bit timers, housed in a 24-QFN package. The device is built on Silicon Labs' Tiny Gecko low-power platform, emphasizing energy efficiency, fast wake-up, and low-power operating modes for battery-operated and energy-sensitive systems. A microcontroller is a compact embedded-computing device that integrates a processor core, memory, and peripherals into one integrated circuit. The EFM32TG family belongs to the ARM Cortex-M microcontroller class and the broader embedded processor hierarchy. Its low-power platform includes energy-saving modes intended to extend operating time when the system is mostly idle and must wake quickly for intermittent sensing, control, or communications. The EFM32TG108F8-QFN24 provides an ARM Cortex-M3 core, 8 kB of Flash, and 2 kB of RAM. Its 17 digital I/O pins support compact embedded designs that need discrete input and output functions without a larger package. Two 16-bit timers provide timing resources for periodic activities, sensor sampling, timing interfaces, or motor and actuator control. Its 24-QFN package is specified as 5 mm by 5 mm with an exposed pad. The 32 MHz operating speed provides deterministic processing performance for control-oriented applications while retaining a compact, low-power architecture. The combination of Cortex-M3 processing, integrated memories, timers, and digital I/O makes the device suitable for small embedded products where board area, energy use, and rapid wake-up behavior are important design constraints. Typical applications include battery-operated sensors, IoT endpoint nodes, compact industrial controllers, building automation interfaces, low-power instrumentation, and wearable or portable products. In these systems, the MCU can sleep between events, wake for a measurement or control task, and return to a low-power state while the timers and digital I/O support local system behavior. Designers should confirm the exact pin functions, exposed-pad connection, decoupling requirements, and programming setup from the manufacturer datasheet before layout. The QFN thermal pad and exposed-pad layout should follow the package drawing, while firmware should account for the device's low-power states and wake-up sources to achieve the intended battery life.

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EFM32TG110F4-D-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG110F4-D-QFN24

EFM32TG110F4-D-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG110F4-D-QFN24 is a 32-bit ARM Cortex-M3 microcontroller rated up to 32 MHz, with 4 kB of Flash memory, 2 kB of RAM, and 17 digital I/O pins in a 24-QFN package measuring 5 x 5 mm. It operates from a 1.98 V to 3.8 V supply and is designed for compact, energy-sensitive embedded systems. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one package. The EFM32TG110 belongs to the Tiny Gecko family, a low-power 32-bit MCU platform suited to battery-powered and portable equipment. This device combines the ARM Cortex-M3 instruction set with energy-saving modes, fast wake-up behavior, and autonomous peripheral capabilities. The primary verified features of the EFM32TG110F4-D-QFN24 include a maximum CPU speed of 32 MHz, 4 kB of Flash, 2 kB of RAM, and 17 digital I/O pins. Its hardware also provides two 16-bit timers, an AES-capable feature set identified in distributor listings, an operational amplifier, a temperature sensor, a voltage comparator, and a flexible clock system that includes a 32.768 kHz crystal oscillator option. The device is positioned as a low-power platform with run consumption specified by the manufacturer datasheet as 150 uA/MHz and Stop-mode consumption as low as 0.6 uA. Its architecture allows peripherals to perform routine measurements, comparisons, timing, and communications without continuous CPU intervention. This can reduce processing demand in systems that periodically wake, acquire information, transmit data, and return to a low-energy state. Typical uses include sensor nodes, compact industrial controls, wearable accessories, connected measurement equipment, and low-power embedded products. The 5 x 5 mm 24-QFN package supports space-constrained designs, while the 17 digital I/O pins provide connections for sensors, indicators, communications, and control signals. The limited 4 kB Flash and 2 kB RAM make firmware and application data sizing particularly important. When designing around this MCU, connect AVDD_x, VDD_DREG, and IOVDD_x as directed by the manufacturer hardware-design guidance and preserve the recommended decoupling layout. Confirm startup behavior, clock selection, exposed-pad soldering, and peripheral pin assignments against the EFM32TG110 datasheet before releasing a PCB for production. This product record combines verified manufacturer specifications, distributor pricing, same-family drop-in alternatives, and practical design guidance. It emphasizes the constraints that matter when selecting a 4 kB-Flash, 2 kB-RAM Cortex-M3 MCU for compact and energy-conscious equipment.

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EFM32TG110F4-QFN24 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
EFM32TG110F4-QFN24

EFM32TG110F4-QFN24 - 32MHz ARM Cortex-M3 MCU | Silicon Labs

Silicon Labs EFM32TG110F4-QFN24 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 4 kB Flash, 2 kB RAM, 17 digital I/O pins, and two 16-bit timers in a 24-QFN package. The device is designed around EFM32 Tiny Gecko energy-saving techniques, including fast wake-up behavior and low-power modes, making it suitable for battery-operated and energy-sensitive embedded systems. An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-computing processor core designed for embedded control. The Cortex-M3 combines deterministic interrupt handling, compact code footprint, and integrated support for energy-efficient system design. In the Silicon Labs hierarchy, the MCU integrates the processor core, Flash memory, RAM, clock circuitry, timers, communication peripherals, and low-power management into one package. The EFM32TG110F4-QFN24 provides 4 kB of Flash for program storage and 2 kB of RAM for working data. Its 17 digital I/O pins support digital sensing and control functions, while two 16-bit timers support timing, pulse measurement, and periodic event generation. The 32 MHz processor speed provides headroom for control loops and lightweight signal-processing tasks in compact systems. The Tiny Gecko platform emphasizes low-energy operation, fast wake-up from energy-saving states, and energy-saving modes. These characteristics are relevant when the average current budget is determined by long sleep intervals rather than continuous processing. The MCU can therefore be used in portable instrumentation, sensor nodes, small industrial controls, and connected low-power products where minimizing energy consumption is more important than maximum flash capacity. Typical applications include battery-powered sensor nodes, compact industrial monitors, low-power wireless peripherals, consumer accessories, and embedded control modules. Designers should select external crystals or timing components according to the required clock accuracy, connect decoupling capacitors close to the supply pins, and confirm the exposed-pad thermal and layout requirements in the manufacturer datasheet. This page combines the verified manufacturer specifications, distributor references, package information, and design guidance for engineers evaluating the EFM32TG110F4-QFN24. It emphasizes the distinction between verified device characteristics and parameters that must be confirmed from the complete datasheet before PCB release or production qualification.

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EFM32TG110F8-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG110F8-QFN24

EFM32TG110F8-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG110F8-QFN24 is an ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 kB of Flash memory, 2 kB of RAM, 17 digital I/O pins, and a 24-QFN 5 x 5 mm package. It combines a 32-bit RISC core with low-power energy-management techniques, fast wake-up behavior, and energy-saving modes for embedded designs. A microcontroller is a programmable system-on-chip that integrates a CPU, nonvolatile program memory, volatile data memory, peripherals, and I/O into one package. The EFM32 Tiny Gecko family belongs to the hierarchy of embedded processors, microcontrollers, integrated circuits, and semiconductors. It is designed to execute firmware while controlling sensors, communications, user interfaces, and power functions in compact, energy-sensitive systems. The EFM32TG110F8-QFN24 reaches 32 MHz and includes two 16-bit timers, AES and operational-amplifier resources identified by the distributor listings, and 17 digital I/O pins. Its 8 kB Flash supports a modest embedded program image, while 2 kB of RAM provides working memory for control logic and data buffering. The 1.85 V to 3.8 V supply range supports low-voltage embedded systems. The ARM Cortex-M3 processor provides a 32-bit RISC architecture and can achieve as much as 1.25 Dhrystone MIPS/MHz, according to the EFM32TG110 datasheet hosted by Keil. The Cortex-M3 also includes a Memory Protection Unit supporting up to eight memory segments and a Wake-up Interrupt Controller for interrupts generated while the processor sleeps. Typical uses include compact industrial sensors, energy-conscious IoT nodes, wearable accessories, low-power instrumentation, and connected peripherals. Developers can use the 17 available digital I/O pins for sensors, actuators, status indicators, and serial interfaces, while the timers support periodic measurement, timing, or pulse-related tasks. The principal design consideration is the small memory footprint. Firmware must fit within 8 kB of Flash and its working data within 2 kB of RAM, so code size, library use, stack depth, and interrupt handling should be checked early. Hardware design should follow Silicon Labs guidance in AN0002 EFM32 Hardware Design Considerations. This page consolidates verified manufacturer and distributor details, package information, application guidance, and selection considerations. It helps engineers compare the EFM32TG110F8-QFN24 against available alternatives without treating merely similar microcontrollers as verified drop-in replacements.

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EFM32TG11B120F128GM32-BR - 48MHz Cortex-M0+ 128KB Flash MCU | Silicon Labs
EFM32TG11B120F128GM32-BR

EFM32TG11B120F128GM32-BR - 48MHz Cortex-M0+ 128KB Flash MCU | Silicon Labs

The Silicon Labs EFM32TG11B120F128GM32-BR is an ARM Cortex-M0+ Tiny Gecko 1 microcontroller running at 48 MHz with 128 KB of flash and 32 KB of RAM, housed in a 32-pin QFN (5x5 mm) package. It is offered on tape and reel for high-volume SMT assembly. The part targets ultra-low-power embedded designs with Silicon Labs' proprietary energy-friendly peripherals, fast wake-up time, and deep-sleep current in the sub-microamp range. A microcontroller (MCU) is a single-chip computer containing a CPU core, volatile and non-volatile memory, and a rich set of on-chip peripherals such as timers, ADC, communication controllers, and GPIO. The Cortex-M0+ is the most energy-efficient ARM core from Arm Holdings, optimized for deterministic real-time response and minimal gate count. The Tiny Gecko 1 family further layers Silicon Labs' LESENSE, low-energy timer, and EMU (Energy Management Unit) features on top of the Cortex-M0+ to deliver energy-sensitive IoT endpoints that wake, sense, transmit, and return to deep sleep within milliseconds. Key features of this variant include 128 KB flash, 32 KB RAM, a 32-pin QFN package, supply voltage of 1.8 V to 3.8 V, and 24 digital I/O pins. The integrated DC-DC regulator and the broad peripheral mix (ADC, DAC, I2C, SPI, UART, USB, low-energy UART, and timers) make it well suited to battery-powered wireless sensor nodes, wearable health patches, and industrial HVAC controls. Technically, the part is built around a 32-bit ARM Cortex-M0+ core with hardware single-cycle multiplier, supported by a peripheral reflex system that lets DMA, GPIO, and timers collaborate without CPU intervention. The energy-friendly design includes five energy modes (EM0-EM4) with sub-microamp deep-sleep current, hardware crypto (AES-128/256), and a true random number generator (TRNG). Typical applications include IoT sensor endpoints, BLE-enabled beacons, wearable fitness bands, smart-home sensor hubs, industrial HVAC thermostats, battery-powered metering, and remote controls. The wide 1.8-3.8 V supply range simplifies single-cell Li-ion or 2x AA battery designs. When designing with this part, pay attention to the DC-DC inductor selection (the on-chip DC-DC needs an external 10 uH inductor) and the QSPI loading for any external flash expansion. The 32-pin QFN footprint is compact but leaves only 24 GPIO; engineers needing more I/O should step up to the QFP-64 or QFN-64 variants in the same family. This page synthesizes distributor pricing, drop-in alternatives within the same QFN-32 footprint, and practical low-energy design guidance not found in the manufacturer datasheet alone.

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EFM32TG11B520F128GQ64-B - 48MHz Cortex-M0+ 128KB MCU | Silicon Labs
EFM32TG11B520F128GQ64-B

EFM32TG11B520F128GQ64-B - 48MHz Cortex-M0+ 128KB MCU | Silicon Labs

The Silicon Labs EFM32TG11B520F128GQ64-B is an ARM Cortex-M0+ Tiny Gecko 1 microcontroller delivering 48 MHz of CPU performance with 128 KB of Flash and 32 KB of RAM in a 64-pin TQFP (10x10 mm) package, qualified for industrial temperature ranges. It is engineered for energy-sensitive connected applications that demand deterministic low-power operation and rich analog integration. What is an ARM Cortex-M0+ microcontroller? It is the most energy-efficient core in the ARM Cortex-M family, providing a 32-bit instruction set and Thumb-2 instruction subset while consuming only a few tens of microamps per MHz in active mode. The Cortex-M0+ core sits inside the EFM32 Tiny Gecko platform, which adds aggressive energy modes, peripheral reflex system, and a low-energy sensor interface (LESENSE) for autonomous sensor monitoring while the CPU sleeps. Key features include a hardware cryptographic engine supporting AES, ECC, SHA, and a True Random Number Generator (TRNG), 50 digital I/O pins with 5 V tolerance, a CAN 2.0 controller, robust capacitive sensing, and integrated 12-bit ADC and DAC peripherals. Active-mode current is rated at approximately 40 uA/MHz in Energy Mode 0 (EM0), with multiple low-energy sleep modes allowing deep sleep currents below 1 uA. Architecturally, the EFM32TG11B520F128GQ64-B uses a Cortex-M0+ core with a single-cycle multiplier and a Nested Vector Interrupt Controller (NVIC). Silicon Labs' proprietary Peripheral Reflex System (PRS) allows peripherals to communicate directly without CPU involvement, dramatically reducing wake-ups. The hardware crypto block offloads AES-128/256, SHA-1/2, ECC operations from the CPU for secure IoT. Typical applications include smart energy metering, IoT sensor nodes, secure connected wearables, capacitive-touch human-machine interfaces, industrial sensor hubs, and battery-powered home automation devices. The cryptographic engine and TRNG make it suitable for authenticated sensor endpoints requiring secure firmware update and tamper resistance. When designing with this MCU, allocate sufficient decoupling (one 100 nF X7R cap per VDD pin) and keep the analog reference traces short to preserve ADC linearity. Use Simplicity Studio with the GeckoPlatform_EFM32TG11B_DFP CMSIS pack for IDE configuration, and enable the JLC flash lock bits before deploying cryptographic keys to production silicon. This page synthesizes distributor pricing across DigiKey, Mouser, and LCSC, drop-in alternatives within the EFM32 Tiny Gecko family, and practical design notes not aggregated elsewhere, helping engineers compare options and source the part quickly.

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EFM32TG210F16-QFN32 - 32MHz Cortex-M3 16KB MCU | Silicon Labs
EFM32TG210F16-QFN32

EFM32TG210F16-QFN32 - 32MHz Cortex-M3 16KB MCU | Silicon Labs

The Silicon Labs EFM32TG210F16-QFN32 is a 32-bit ARM Cortex-M3 Tiny Gecko microcontroller with a 32 MHz maximum operating frequency, 16 KB of flash memory, and a 32-QFN 6 x 6 mm package. The device combines a low-power embedded architecture with integrated analog and digital peripherals, making it suitable for energy-sensitive embedded systems that require deterministic control and low standby consumption. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and communication interfaces into one package. The EFM32TG series belongs to the MCU and embedded-processor hierarchy and combines ARM Cortex-M3 processing with energy-saving modes, autonomous peripheral operation, and fast wake-up behavior. These features distinguish it from conventional higher-power microcontroller platforms designed primarily for continuous operation. Verified distributor information identifies the EFM32TG210F16-QFN32 as an ARM Cortex-M3 Tiny Gecko MCU with 32-bit processing, 32 MHz operation, 16 KB flash organized as 16K x 8, and a 32-QFN 6 x 6 mm package. Silicon Labs materials also describe EFM32TG devices as low-power devices with energy-saving modes and autonomous peripherals. The available distributor listing indicates AES and operational-amplifier functionality, but exact peripheral counts and detailed electrical limits are not provided in the supplied data. The EFM32TG210F16-QFN32 is intended for applications where low power, compactness, and integrated control are more important than maximum flash capacity. Its 32 MHz Cortex-M3 core supports general embedded control, while the Tiny Gecko low-power platform supports battery-operated equipment. The 16 KB flash memory is modest compared with larger general-purpose MCUs, so firmware should be evaluated for image size and update requirements before design commitment. Typical uses include low-power sensor nodes, compact industrial controllers, battery-powered measurement equipment, consumer accessories, and embedded control modules. For designs requiring more program storage, the EFM32TG210F32-QFN32 family member provides 32 KB flash according to the manufacturer page and should be checked for footprint, memory, and peripheral compatibility. The device should also be reviewed against the application’s supply-voltage, temperature, and qualification requirements. Designers should place the decoupling network close to the device supply pins, keep analog and digital return-current paths controlled, and confirm the exposed-pad connection and thermal strategy against the package drawing. The QFN package is compact but not leaded, so assembly capability and soldering profile should be reviewed before production release. Use the manufacturer datasheet and reference design guidance for final pin, layout, and peripheral configuration decisions. This page combines verified manufacturer and distributor information, a transparent alternative comparison, and practical design guidance intended to help engineers evaluate fit, footprint, memory, low-power behavior, and sourcing constraints before selecting the EFM32TG210F16-QFN32.

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EFM32TG210F8-QFN32 - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG210F8-QFN32

EFM32TG210F8-QFN32 - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG210F8-QFN32 is an ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 kB Flash, 2 kB RAM, 24 digital I/O pins, and two 16-bit timers in a 32-QFN package. Its supply range is 1.85 V to 3.8 V. Designed around the Tiny Gecko low-power platform, the device targets energy-sensitive embedded products that need responsive control, compact size, and low-power operation. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, digital interfaces, timers, and supporting peripherals on one semiconductor device. The EFM32TG210F8-QFN32 uses the ARM Cortex-M3 architecture, placing it within the 32-bit embedded MCU -> microcontroller -> semiconductor hierarchy. Its combination of 32 MHz processing and 8 kB Flash makes it appropriate for compact control tasks rather than resource-heavy edge-computing workloads. Key features include a 32 MHz ARM Cortex-M3 core, 8 kB Flash memory, 2 kB RAM, 24 digital I/O pins, and two 16-bit timers. The official product description also identifies low-energy techniques, fast wake-up behavior, and energy-saving modes. These characteristics suit systems that spend substantial time between active operations while retaining deterministic access to embedded peripherals. The device belongs to Silicon Labs' Tiny Gecko family and provides an integrated AES and operational-amplifier feature set according to distributor product data. Its 1.85 V to 3.8 V operating range allows use in low-voltage embedded designs, while the 32-QFN 6x6 mm package supports compact PCB layouts. Exact peripheral availability, electrical limits, pin functions, and tool-support details should be confirmed against the manufacturer documentation before production design release. Typical applications include battery-powered sensing, compact industrial controllers, wearable or accessory electronics, low-power embedded nodes, and portable instruments. In these systems, the MCU can execute firmware, operate timers, read inputs, and control outputs while using its low-power platform to reduce activity outside the required measurement or control intervals. Designers should verify the QFN land pattern, exposed-pad connection, pin multiplexing, decoupling requirements, and supported voltage range in the manufacturer documentation. The 6x6 mm QFN package also requires careful PCB layout and assembly process control to achieve reliable thermal and electrical performance.

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EFM32TG210F8-QFN32T - 32MHz Cortex-M3 MCU | Silicon Labs
EFM32TG210F8-QFN32T

EFM32TG210F8-QFN32T - 32MHz Cortex-M3 MCU | Silicon Labs

The Silicon Labs EFM32TG210F8-QFN32T is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 8 kB of Flash memory, 2 kB of RAM, 24 digital I/O pins, and AES hardware encryption in a 32-QFN 6 x 6 mm package. Its 1.85 V to 3.8 V operating range supports energy-efficient embedded designs. The device also provides three operational amplifiers and two 16-bit timers, making it suitable for compact sensing, control, and connected products. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one device. Within the hierarchy of embedded semiconductors, the EFM32TG210F8-QFN32T is an ARM Cortex-M3 MCU, an energy-focused 32-bit embedded controller used for battery-operated equipment, industrial controls, consumer accessories, and connected sensors. Its low-energy operating techniques and short wake-up behavior are particularly relevant when the product spends substantial time in sleep or deep-sleep modes. Key features include an ARM Cortex-M3 processor core with a maximum clock frequency of 32 MHz, 8 kB Flash for firmware storage, 2 kB SRAM for working memory, and AES encryption support. The integrated peripheral set includes 24 digital I/O pins, two 16-bit timers, and three operational amplifiers. These resources allow a design to combine control logic, signal conditioning, and communications functions without relying on several separate discrete components. The Tiny Gecko architecture integrates processing, low-power management, and energy-sensitive peripherals in one system-on-chip design. Its 1.85 V to 3.8 V supply range permits operation across low-voltage embedded systems, while the 32 MHz Cortex-M3 core provides substantially more processing capability than an 8-bit controller. The three integrated op-amps can reduce the component count in sensor, measurement, and analog-interface designs when their input, output, and stability requirements match the device specifications. Typical applications include battery-powered sensor nodes, industrial monitoring modules, compact access-control products, wearable accessories, and energy-conscious embedded controls. The microcontroller can execute protocol and control firmware in Flash, retain transient data in its 2 kB SRAM, and use its timers and op-amps to support periodic measurements or analog signal conditioning. The manufacturer product page identifies the EFM32TG210F8-QFN32 family as being optimized for energy-sensitive applications. Designers should verify the exact QFN pin assignment, exposed-pad requirements, decoupling, and operating limits against the manufacturer datasheet before layout. Firmware must also account for the limited 8 kB Flash and 2 kB RAM budgets. Confirming the complete pinout, peripheral multiplexing, and PCB land pattern is essential because this page only uses values explicitly present in the supplied verified sources. This page consolidates verified manufacturer and distributor information, distinguishes electrically compatible family alternatives, and adds practical selection guidance for engineers evaluating the EFM32TG210F8-QFN32T. It also highlights where additional datasheet data is required rather than substituting unverified electrical, package, pricing, or lifecycle assumptions.

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