Microcontrollers
Use the filters and product table below to compare Microcontrollers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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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EFM8BB31F64I-C-QFN32RIC MCU 8BIT 64KB FLASH 32QFN |
3,371 | - |
|
Datasheet | 32-UFQFN Exposed Pad | Busy Bee | Tape & Reel (TR) | Not For New Designs | 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 ~ 125°C (TA) | - | - | Surface Mount | |
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EFM8BB31F16I-B-QFP32RIC MCU 8BIT 16KB FLASH 32QFP |
1,989 | - |
|
Datasheet | 32-TQFP | Busy Bee | Tape & Reel (TR) | Not For New Designs | Not Verified | CIP-51 8051 | 8-Bit | 50MHz | I2C, SMBus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 28 | 16KB (16K 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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EFM8BB31F16I-C-QFP32RIC MCU 8BIT 16KB FLASH 32QFP |
3,121 | - |
|
Datasheet | 32-TQFP | Busy Bee | Tape & Reel (TR) | Not For New Designs | Not Verified | CIP-51 8051 | 8-Bit | 50MHz | I2C, SMBus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 28 | 16KB (16K 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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EFM8BB10F8A-A-QFN20RIC MCU 8BIT 8KB FLASH 20QFN |
4,265 | - |
|
Datasheet | 20-WFQFN Exposed Pad | Busy Bee | Tape & Reel (TR) | Active | Not Verified | CIP-51 8051 | 8-Bit | 25MHz | I2C, SMBus, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 16 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 2.2V ~ 3.6V | A/D 15x12b | Internal | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | |
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EFM8UB11F16G-C-QFN24RIC MCU 8BIT 8KB FLASH 24QFN |
4,020 | - |
|
Datasheet | 24-WFQFN Exposed Pad | Universal Bee | Tape & Reel (TR) | Active | Not Verified | CIP-51 8051 | 8-Bit | 50MHz | I2C, SMBus, SPI, UART/USART, USB | Brown-out Detect/Reset, POR, PWM, WDT | 17 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 1.71V ~ 3.6V | A/D 15x12b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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EFM8UB11F16G-C-QFN24IC MCU 8BIT 16KB FLASH 24QFN |
2,304 | - |
|
Datasheet | 24-WFQFN Exposed Pad | Universal Bee | Tube | Active | Not Verified | CIP-51 8051 | 8-Bit | 50MHz | I2C, SMBus, SPI, UART/USART, USB | Brown-out Detect/Reset, POR, PWM, WDT | 17 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 1.71V ~ 3.6V | A/D 15x12b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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EFM8BB31F32I-D-5QFN32RIC MCU 8BIT 32KB FLASH 32QFN |
2,460 | - |
|
Datasheet | 32-WFQFN Exposed Pad | Busy Bee | Tape & Reel (TR) | Active | 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 20x12b; D/A 2x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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EFM8BB31F32I-D-QSOP24IC MCU 8BIT 32KB FLASH 24QSOP |
1,564 | - |
|
Datasheet | 24-SSOP (0.154", 3.90mm Width) | Busy Bee | Tube | Obsolete | 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 13x12b; D/A 2x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
|
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EFM8BB31F32I-D-5QFN32IC MCU 8BIT 32KB FLASH 32QFN |
1,656 | - |
|
Datasheet | 32-WFQFN Exposed Pad | Busy Bee | Tray | Active | 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 20x12b; D/A 2x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
|
C8051F912-GURIC MCU 8BIT 16KB FLASH 24QSOP |
2,454 | - |
|
Datasheet | 24-SSOP (0.154", 3.90mm Width) | C8051F9xx | Tape & Reel (TR) | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I2C), SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | 16 | 16KB (16K x 8) | FLASH | - | 768 x 8 | 0.9V ~ 3.6V | A/D 15x10/12b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount |
Microcontrollers FAQ
Common questions about filtering, comparing and sourcing Microcontrollers components.
How can I narrow the Microcontrollers selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Microcontrollers part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
