Microcontrollers
Browse available Microcontrollers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
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EFM32HG321F64N-B-QFP48IC MCU 32BIT 64KB FLASH 48TQFP |
2,208 | - |
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Datasheet | 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 | |
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EFM32HG321F64N-B-QFP48RIC MCU 32BIT 64KB FLASH 48TQFP |
2,810 | - |
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Datasheet | 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 | |
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EFM32HG322F32N-B-QFP48IC MCU 32BIT 32KB FLASH 48TQFP |
2,424 | - |
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Datasheet | 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 | |
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EFM32HG322F32N-B-QFP48RIC MCU 32BIT 32KB FLASH 48TQFP |
2,690 | - |
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Datasheet | 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 | |
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EFM32HG322F64N-B-QFP48IC MCU 32BIT 64KB FLASH 48TQFP |
1,180 | - |
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Datasheet | 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 | |
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EFM32HG322F64N-B-QFP48RIC MCU 32BIT 64KB FLASH 48TQFP |
4,832 | - |
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Datasheet | 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 | |
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MSP430G255IN20IC MCU 16BIT 4KB FLASH 20DIP |
3,617 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | MSP430G2xx | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Through Hole | |
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MAXQ61HX-2047+IC MCU 16BIT 36KB ROM DIE |
2,593 | - |
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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 | |
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MAXQ61HX-2597+IC MCU 16BIT 36KB ROM DIE |
1,112 | - |
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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 | |
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EFM8BB31F32A-C-5QFN32IC MCU 8BIT 32KB FLASH 32QFN |
4,781 | - |
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Datasheet | 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 | |
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EFM8BB31F32G-C-QSOP24RIC MCU 8BIT 32KB FLASH 24QSOP |
3,571 | - |
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Datasheet | 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 | |
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EFM8BB31F32I-C-5QFN32IC MCU 8BIT 32KB FLASH 32QFN |
2,512 | - |
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Datasheet | 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 | |
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EFM32TG11B510F128GM80-ARIC MCU |
4,847 | - |
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Datasheet | - | - | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
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EFM32TG11B510F128GQ80-ARIC MCU |
3,699 | - |
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Datasheet | - | - | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
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EFM8BB31F64G-C-QFN24RIC MCU 8BIT 64KB FLASH 24QFN |
2,954 | - |
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Datasheet | 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 | |
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EFM8BB31F64G-C-QFN32IC MCU 8BIT 64KB FLASH 32QFN |
2,674 | - |
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Datasheet | 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 | |
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EFM8BB31F64G-C-QFN24IC MCU 8BIT 64KB FLASH 24QFN |
3,508 | - |
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Datasheet | 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 | |
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MAX32666GWP+IC MCU 32BIT 1MB FLASH 109WLP |
4,519 | - |
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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 | |
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XC2265N40F80LRABKXUMA1IC MCU 16BIT 100LQFP |
3,071 | - |
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Datasheet | 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 | |
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CY91F465PAPMC-GS-UJE2IC MCU 32BIT 544KB FLASH 176LQFP |
4,799 | - |
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Datasheet | - | - | Tray | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Microcontrollers FAQ
Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.
What should I check when selecting Microcontrollers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific Microcontrollers part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find Microcontrollers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for Microcontrollers components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
