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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R7F100GGG3CFB#HA0IC MCU 16BIT 128KB FLASH 48LQFP |
1,022 | - |
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Datasheet | 48-LQFP | RL78/G23 | Tape & Reel (TR) | Active | - | RL78 | 16-Bit | 32MHz | CSI, I2C, LINbus, SPI, UART/USART | Capacitive Touch, LVD, POR, PWM, WDT | 40 | 128KB (128K x 8) | FLASH | 8K x 8 | 16K x 8 | 1.8V ~ 5.5V | A/D 10x8/10b/12b; D/A 2x8b | External | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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MC9S08PT16AVTJIC MCU 8BIT 16KB FLASH 20TSSOP |
1,822 | - |
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Datasheet | 20-TSSOP (0.173", 4.40mm Width) | S08 | Tube | Active | Not Verified | S08 | 8-Bit | 20MHz | I2C, LINbus, SPI, UART/USART | LVD, POR, PWM, WDT | 18 | 16KB (16K x 8) | FLASH | 256 x 8 | 2K x 8 | 2.7V ~ 5.5V | A/D 12x12b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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MC9S08PA16VTJIC MCU 8BIT 16KB FLASH 20TSSOP |
1,046 | - |
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Datasheet | 20-TSSOP (0.173", 4.40mm Width) | S08 | Tube | Not For New Designs | Not Verified | S08 | 8-Bit | 20MHz | I2C, LINbus, SPI, UART/USART | LVD, POR, PWM, WDT | 18 | 16KB (16K x 8) | FLASH | 256 x 8 | 2K x 8 | 2.7V ~ 5.5V | A/D 12x12b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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AT89LP4052-16SUIC MCU 8BIT 4KB FLASH 20SOIC |
2,763 | - |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | 89LP | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 16MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 15 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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AT89LP4052-16SIIC MCU 8BIT 4KB FLASH 20SOIC |
1,678 | - |
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Datasheet | 20-SOIC (0.295", 7.50mm Width) | 89LP | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 16MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 15 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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STM32L031K6T3IC MCU 32BIT 32KB FLASH 32LQFP |
3,103 | - |
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Datasheet | 32-LQFP | STM32L0 | Tray | Active | Not Verified | ARM® Cortex®-M0+ | 32-Bit Single-Core | 32MHz | I2C, IrDA, LINbus, SPI, UART/USART | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 26 | 32KB (32K x 8) | FLASH | 1K x 8 | 8K x 8 | 1.65V ~ 3.6V | A/D 10x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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R5F51111AGNE#0AIC MCU 32BIT 32KB FLASH 48WFQFN |
1,481 | - |
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Datasheet | 48-WFQFN Exposed Pad | RX111 | Tape & Reel (TR) | Active | - | RX | 32-Bit | 32MHz | I2C, SCI, SPI, USB | DMA, LVD, POR, PWM, WDT | 30 | 32KB (32K x 8) | FLASH | 8K x 8 | 10K x 8 | 1.8V ~ 3.6V | A/D 10x12b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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R5F51113AGNF#0AIC MCU 32BIT 64KB FLASH 40WFQFN |
1,095 | - |
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Datasheet | 40-WFQFN Exposed Pad | RX111 | Tape & Reel (TR) | Active | - | RX | 32-Bit | 32MHz | I2C, SCI, SPI, USB | DMA, LVD, POR, PWM, WDT | 24 | 64KB (64K x 8) | FLASH | 8K x 8 | 10K x 8 | 1.8V ~ 3.6V | A/D 8x12b | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
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MSP430FR5737IDARIC MCU 16BIT 16KB FRAM 38TSSOP |
4,035 | - |
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Datasheet | 38-TSSOP (0.240", 6.10mm Width) | MSP430™ FRAM | Tape & Reel (TR) | Obsolete | Not Verified | MSP430 CPUXV2 | 16-Bit | 24MHz | I2C, IrDA, LINbus, SCI, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 30 | 16KB (16K x 8) | FRAM | - | 1K x 8 | 2V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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W78L032A24PLIC MCU 8BIT ROMLESS 44PLCC |
3,891 | - |
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Datasheet | 44-LCC (J-Lead) | W78 | Tube | Not For New Designs | Not Verified | 80C32 | 8-Bit | 24MHz | EBI/EMI, Serial Port | - | 32 | - | ROMless | - | 256 x 8 | 1.8V ~ 5.5V | - | Internal | 0°C ~ 70°C (TA) | - | - | Surface Mount | |
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C8051F820-GMIC MCU 8BIT 8KB FLASH 20QFN |
2,351 | - |
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Datasheet | 20-VFQFN Exposed Pad | C8051F82x | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I2C), SPI, UART/USART | POR, PWM, WDT | 17 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 1.8V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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C8051F820-GMRIC MCU 8BIT 8KB FLASH 20QFN |
3,079 | - |
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Datasheet | 20-VFQFN Exposed Pad | C8051F82x | Tape & Reel (TR) | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I2C), SPI, UART/USART | POR, PWM, WDT | 17 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 1.8V ~ 3.6V | - | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
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C8051F853-C-IMRIC MCU 8BIT 8KB FLASH 20QFN |
3,346 | - |
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Datasheet | 20-VFQFN Exposed Pad | C8051F85x | Tape & Reel (TR) | Obsolete | Not Verified | 8051 | 8-Bit | 25MHz | I2C, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 15 | 8KB (8K x 8) | FLASH | - | 512 x 8 | 2.2V ~ 3.6V | - | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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EFM8BB31F32I-B-QFP32RIC MCU 8BIT 32KB FLASH 32QFP |
2,492 | - |
|
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 | 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-C-QFP32RIC MCU 8BIT 32KB FLASH 32QFP |
1,423 | - |
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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 | 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-D-5QFN32RIC MCU 8BIT 64KB FLASH 32QFN |
2,637 | - |
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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 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.2V ~ 3.6V | A/D 20x12b; D/A 2x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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EFM8BB31F64I-D-5QFN32IC MCU 8BIT 64KB FLASH 32QFN |
3,920 | - |
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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 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.2V ~ 3.6V | A/D 20x12b; D/A 2x12b | Internal | -40°C ~ 125°C (TA) | - | - | Surface Mount | |
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S1C17M21F001100IC MCU 16BIT 16KB FLASH 32TQFP15 |
2,688 | - |
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Datasheet | 32-TQFP | - | Tray | Active | Not Verified | S1C17 | 16-Bit | 21MHz | I2C, IrDA, SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, Voltage Detect, WDT | 23 | 16KB (16K x 8) | FLASH | - | 2K x 8 | 1.8V ~ 5.5V | A/D 6x12b SAR | External, Internal | -40°C ~ 85°C | - | - | Surface Mount | |
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AT89LP4052-16PUIC MCU 8BIT 4KB FLASH 20DIP |
4,681 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | 89LP | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 16MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 15 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole | |
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AT89LP4052-16PIIC MCU 8BIT 4KB FLASH 20DIP |
2,340 | - |
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Datasheet | 20-DIP (0.300", 7.62mm) | 89LP | Tube | Obsolete | Not Verified | 8051 | 8-Bit | 16MHz | SPI, UART/USART | Brown-out Detect/Reset, POR, PWM, WDT | 15 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | Internal | -40°C ~ 85°C (TA) | - | - | Through Hole |
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.
