Microcontrollers

Manufacturers Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package

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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package
EFM32HG321F64N-B-QFP48

EFM32HG321F64N-B-QFP48

IC MCU 32BIT 64KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG321F64N-B-QFP48Datasheet 48-TQFP Happy Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 64KB (64K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
EFM32HG321F64N-B-QFP48R

EFM32HG321F64N-B-QFP48R

IC MCU 32BIT 64KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG321F64N-B-QFP48RDatasheet 48-TQFP Happy Gecko Tape & Box (TB) Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 64KB (64K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
EFM32HG322F32N-B-QFP48

EFM32HG322F32N-B-QFP48

IC MCU 32BIT 32KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG322F32N-B-QFP48Datasheet 48-TQFP Happy Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 32KB (32K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
EFM32HG322F32N-B-QFP48R

EFM32HG322F32N-B-QFP48R

IC MCU 32BIT 32KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG322F32N-B-QFP48RDatasheet 48-TQFP Happy Gecko Tape & Box (TB) Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 32KB (32K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
EFM32HG322F64N-B-QFP48

EFM32HG322F64N-B-QFP48

IC MCU 32BIT 64KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG322F64N-B-QFP48Datasheet 48-TQFP Happy Gecko Tray Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 64KB (64K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
EFM32HG322F64N-B-QFP48R

EFM32HG322F64N-B-QFP48R

IC MCU 32BIT 64KB FLASH 48TQFP

Silicon Labs

0
RFQ
EFM32HG322F64N-B-QFP48RDatasheet 48-TQFP Happy Gecko Tape & Box (TB) Discontinued at Digi-Key Not Verified ARM® Cortex®-M0+ 32-Bit Single-Core 25MHz I2C, IrDA, SmartCard, SPI, UART/USART, USB Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 35 64KB (64K x 8) FLASH - 8K x 8 1.98V ~ 3.8V A/D 4x12b Internal -40°C ~ 105°C (TA) - - Surface Mount
MSP430G255IN20

MSP430G255IN20

IC MCU 16BIT 4KB FLASH 20DIP

Texas Instruments

0
RFQ
MSP430G255IN20Datasheet 20-DIP (0.300", 7.62mm) MSP430G2xx Bulk Active Not Verified - - - - - - - - - - - - - - - - Through Hole
MAXQ61HX-2047+

MAXQ61HX-2047+

IC MCU 16BIT 36KB ROM DIE

Analog Devices Inc./Maxim Integrated

0
RFQ
MAXQ61HX-2047+Datasheet Die MAXQ® Tube Obsolete Not Verified MAXQ 16-Bit 12MHz - Brown-out Detect/Reset, Infrared, Power-Fail, POR, WDT 24 36KB (36K x 8) ROM - 1.28K x 8 1.7V ~ 3.6V - - 0°C ~ 70°C - - Surface Mount
MAXQ61HX-2597+

MAXQ61HX-2597+

IC MCU 16BIT 36KB ROM DIE

Analog Devices Inc./Maxim Integrated

0
RFQ
MAXQ61HX-2597+Datasheet Die MAXQ® Tube Obsolete Not Verified MAXQ 16-Bit 12MHz - Brown-out Detect/Reset, Infrared, Power-Fail, POR, WDT 24 36KB (36K x 8) ROM - 1.28K x 8 1.7V ~ 3.6V - - 0°C ~ 70°C - - Surface Mount
EFM8BB31F32A-C-5QFN32

EFM8BB31F32A-C-5QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

0
RFQ
EFM8BB31F32A-C-5QFN32Datasheet 32-WFQFN Exposed Pad Busy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 29 32KB (32K x 8) FLASH - 2.25K x 8 2.2V ~ 3.6V A/D 20x10/12b SAR; D/A 2x12b Internal -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount
EFM8BB31F32G-C-QSOP24R

EFM8BB31F32G-C-QSOP24R

IC MCU 8BIT 32KB FLASH 24QSOP

Silicon Labs

0
RFQ
EFM8BB31F32G-C-QSOP24RDatasheet 24-SSOP (0.154", 3.90mm Width) Busy Bee Tape & Reel (TR) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 21 32KB (32K x 8) FLASH - 2.25K x 8 2.2V ~ 3.6V A/D 13x10/12b SAR; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8BB31F32I-C-5QFN32

EFM8BB31F32I-C-5QFN32

IC MCU 8BIT 32KB FLASH 32QFN

Silicon Labs

0
RFQ
EFM8BB31F32I-C-5QFN32Datasheet 32-WFQFN Exposed Pad Busy Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 29 32KB (32K x 8) FLASH - 2.25K x 8 2.2V ~ 3.6V A/D 20x10/12b SAR; D/A 2x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
EFM32TG11B510F128GM80-AR

EFM32TG11B510F128GM80-AR

IC MCU

Silicon Labs

0
RFQ
EFM32TG11B510F128GM80-ARDatasheet - - Tape & Reel (TR) Discontinued at Digi-Key Not Verified - - - - - - - - - - - - - - - - -
EFM32TG11B510F128GQ80-AR

EFM32TG11B510F128GQ80-AR

IC MCU

Silicon Labs

0
RFQ
EFM32TG11B510F128GQ80-ARDatasheet - - Tape & Reel (TR) Discontinued at Digi-Key Not Verified - - - - - - - - - - - - - - - - -
EFM8BB31F64G-C-QFN24R

EFM8BB31F64G-C-QFN24R

IC MCU 8BIT 64KB FLASH 24QFN

Silicon Labs

0
RFQ
EFM8BB31F64G-C-QFN24RDatasheet 24-VFQFN Exposed Pad Busy Bee Cut Tape (CT) Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 20 64KB (64K x 8) FLASH - 4.25K x 8 2.2V ~ 3.6V A/D 12x10/12b SAR; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8BB31F64G-C-QFN32

EFM8BB31F64G-C-QFN32

IC MCU 8BIT 64KB FLASH 32QFN

Silicon Labs

0
RFQ
EFM8BB31F64G-C-QFN32Datasheet 32-UFQFN Exposed Pad Busy Bee Tray Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 29 64KB (64K x 8) FLASH - 4.25K x 8 2.2V ~ 3.6V A/D 20x10/12b SAR; D/A 4x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
EFM8BB31F64G-C-QFN24

EFM8BB31F64G-C-QFN24

IC MCU 8BIT 64KB FLASH 24QFN

Silicon Labs

0
RFQ
EFM8BB31F64G-C-QFN24Datasheet 24-VFQFN Exposed Pad Busy Bee Tube Discontinued at Digi-Key Not Verified CIP-51 8051 8-Bit 50MHz I2C, SMBus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, WDT 20 64KB (64K x 8) FLASH - 4.25K x 8 2.2V ~ 3.6V A/D 12x10/12b SAR; D/A 2x12b Internal -40°C ~ 85°C (TA) - - Surface Mount
MAX32666GWP+

MAX32666GWP+

IC MCU 32BIT 1MB FLASH 109WLP

Analog Devices Inc./Maxim Integrated

0
RFQ
MAX32666GWP+Datasheet 109-WFBGA, WLBGA DARWIN Strip Active Not Verified ARM® Cortex®-M4/M4F 32-Bit Dual-Core 96MHz I2C, SPI, UART/USART, USB Bluetooth, Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT 48 1MB (1M x 8) FLASH - 560K x 8 1.71V ~ 3.6V A/D 8x10b Internal -40°C ~ 105°C (TA) - - Surface Mount
XC2265N40F80LRABKXUMA1

XC2265N40F80LRABKXUMA1

IC MCU 16BIT 100LQFP

Infineon Technologies

0
RFQ
XC2265N40F80LRABKXUMA1Datasheet 100-LQFP Exposed Pad XC22xxN Tape & Reel (TR) Discontinued at Digi-Key Not Verified C166SV2 16/32-Bit 80MHz CANbus, EBI/EMI, I2C, LINbus, SPI, SSC, UART/USART, USI I2S, POR, PWM, WDT 76 320KB (320K x 8) FLASH - 42K x 8 3V ~ 5.5V A/D 16x10b Internal -40°C ~ 125°C (TA) - - Surface Mount
CY91F465PAPMC-GS-UJE2

CY91F465PAPMC-GS-UJE2

IC MCU 32BIT 544KB FLASH 176LQFP

Infineon Technologies

0
RFQ
CY91F465PAPMC-GS-UJE2Datasheet - - Tray Obsolete Not Verified - - - - - - - - - - - - - - - - -

Category Overview

Microcontrollers Products & Selection Guide

Microcontrollers are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Microcontrollers. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Microcontrollers?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

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