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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LPC43S20FET180EIC MCU 32BIT ROMLESS 180TFBGA |
2,674 | - |
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Datasheet | 180-TFBGA | LPC43xx | Tray | Discontinued at Digi-Key | Not Verified | ARM® Cortex®-M4/M0 | 32-Bit Dual-Core | 204MHz | CANbus, EBI/EMI, I2C, IrDA, Microwire, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG | Brown-out Detect/Reset, DMA, I2S, Motor Control PWM, POR, PWM, WDT | 118 | - | ROMless | - | 264K x 8 | 2.2V ~ 3.6V | A/D 8x10b; D/A 1x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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LPC43S30FET100EIC MCU 32BIT ROMLESS 100TFBGA |
3,271 | - |
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Datasheet | 100-TFBGA | LPC43xx | Tray | Discontinued at Digi-Key | Not Verified | ARM® Cortex®-M4/M0 | 32-Bit Dual-Core | 204MHz | CANbus, EBI/EMI, Ethernet, I2C, IrDA, Microwire, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG | Brown-out Detect/Reset, DMA, I2S, POR, WDT | 49 | - | ROMless | - | 264K x 8 | 2.2V ~ 3.6V | A/D 4x10b; D/A 1x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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CY8C4248LQI-BL483IC MCU 32BIT 256KB FLASH 56QFN |
3,334 | - |
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Datasheet | 56-UFQFN Exposed Pad | PSOC™ 4 CY8C4xx8 BLE | Tray | Obsolete | Not Verified | ARM® Cortex®-M0 | 32-Bit Single-Core | 48MHz | I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART | Bluetooth, Brown-out Detect/Reset, Cap Sense, DMA LCD, LVD, POR, PWM, SmartCard, SmartSense, WDT | 36 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 1.71V ~ 5.5V | A/D 16x12b SAR; D/A 2xIDAC | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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DSPIC33EV128GM004-E/MLVAOIC MCU 16BIT 128KB FLASH 44QFN |
1,856 | - |
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Datasheet | 44-VQFN Exposed Pad | dsPIC™ 33EV, Functional Safety (FuSa) | Tube | Active | Not Verified | dsPIC | 16-Bit | 60 MIPs | I2C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT | 35 | 128KB (43K x 24) | FLASH | - | 8K x 8 | 4.5V ~ 5.5V | A/D 24x10/12b | Internal | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | |
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EFM8BB31F32I-B-QFN32IC MCU 8BIT 32KB FLASH 32QFN |
2,280 | - |
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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 | 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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EFM8BB31F32I-B-QFP32IC MCU 8BIT 32KB FLASH 32QFP |
4,831 | - |
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Datasheet | 32-TQFP | 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 | 28 | 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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EFM8BB31F64I-B-QFN24IC MCU 8BIT 64KB FLASH 24QFN |
4,314 | - |
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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 ~ 125°C (TA) | - | - | Surface Mount | |
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EFM8BB31F64I-B-QFN32IC MCU 8BIT 64KB FLASH 32QFN |
2,079 | - |
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Datasheet | 32-UFQFN 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 | 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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EFM8BB31F16G-B-QFN32IC MCU 8BIT 16KB FLASH 32QFN |
4,455 | - |
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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 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 2.2V ~ 3.6V | A/D 20x10/12b SAR; D/A 2x12b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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EFM8BB31F32G-B-QFN24IC MCU 8BIT 32KB FLASH 24QFN |
3,038 | - |
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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 | 32KB (32K x 8) | FLASH | - | 2.25K 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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R5F10266ASP#V5IC MCU 16BIT 2KB FLASH 20LSSOP |
4,824 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tube | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 14 | 2KB (2K x 8) | FLASH | 2K x 8 | 256 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10267ASP#V5IC MCU 16BIT 4KB FLASH 20LSSOP |
2,007 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tray | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 14 | 4KB (4K x 8) | FLASH | 2K x 8 | 512 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10268ASP#V5IC MCU 16BIT 8KB FLASH 20LSSOP |
2,562 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tube | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 14 | 8KB (8K x 8) | FLASH | 2K x 8 | 768 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10269ASP#V5IC MCU 16BIT 12KB FLASH 20LSSOP |
1,791 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tube | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 14 | 12KB (12K x 8) | FLASH | 2K x 8 | 1K x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F1026AASP#V5IC MCU 16BIT 16KB FLASH 20LSSOP |
4,271 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tube | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 14 | 16KB (16K x 8) | FLASH | 2K x 8 | 1.5K x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10277ANA#U5IC MCU 16BIT 4KB FLASH 24HWQFN |
2,980 | - |
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Datasheet | 24-WFQFN Exposed Pad | RL78/G12 | Tray | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 18 | 4KB (4K x 8) | FLASH | 2K x 8 | 512 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10278ANA#U5IC MCU 16BIT 8KB FLASH 24HWQFN |
1,091 | - |
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Datasheet | 24-WFQFN Exposed Pad | RL78/G12 | Tray | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 18 | 8KB (8K x 8) | FLASH | 2K x 8 | 768 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10279ANA#U5IC MCU 16BIT 12KB FLASH 24HWQFN |
3,512 | - |
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Datasheet | 24-WFQFN Exposed Pad | RL78/G12 | Tray | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 18 | 12KB (12K x 8) | FLASH | 2K x 8 | 1K x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F1027AANA#U5IC MCU 16BIT 16KB FLASH 24HWQFN |
1,287 | - |
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Datasheet | 24-WFQFN Exposed Pad | RL78/G12 | Tray | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | DMA, LVD, POR, PWM, WDT | 18 | 16KB (16K x 8) | FLASH | 2K x 8 | 1.5K x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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R5F10366ASP#V5IC MCU 16BIT 2KB FLASH 20LSSOP |
2,902 | - |
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Datasheet | 20-LSSOP (0.173", 4.40mm Width) | RL78/G12 | Tube | Obsolete | Not Verified | RL78 | 16-Bit | 24MHz | CSI, I2C, UART/USART | LVD, POR, PWM, WDT | 14 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8V ~ 5.5V | A/D 11x8/10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount |
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.
