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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NUC123LC2AN1IC MCU 32BIT 36KB FLASH 48LQFP |
4,949 | - |
|
Datasheet | 48-LQFP | NuMicro™ NUC123 | Tray | Active | Not Verified | ARM® Cortex®-M0 | 32-Bit Single-Core | 72MHz | I2C, IrDA, SPI, UART/USART, USB | Brown-out Detect/Reset, DMA, I2S, LVD, POR, PS2, PWM, WDT | 36 | 36KB (36K x 8) | FLASH | - | 12K x 8 | 2.5V ~ 5.5V | A/D 8x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
M252LC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
2,702 | - |
|
Datasheet | 48-LQFP | NuMicro™ M252 | Tray | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 12x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
ML54LD1AEIC MCU 8BIT 64KB FLASH 48LQFP |
1,665 | - |
|
Datasheet | 48-LQFP | NuMicro™ ML54 | Tray | Active | - | 8051 | 8-Bit | 24MHz | I2C, SmartCard, SPI, UART/USART | Brown-out Detect/Reset, LVR, POR, PWM, WDT | 42 | 64KB (64K x 8) | FLASH | - | 4K x 8 | 1.8V ~ 5.5V | A/D 10x12b SAR | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
M030LD2AEIC MCU 64KB FLASH |
3,218 | - |
|
Datasheet | - | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
|
ML51SD1AE64KB FLASH ROM, 4KB SRAM, 2 CHS |
2,094 | - |
|
Datasheet | 64-LQFP | NuMicro™ ML51 | Tray | Active | - | 8051 | 8-Bit | 24MHz | I2C, SmartCard, SPI, UART/USART | Brown-out Detect/Reset, LVR, POR, PWM, WDT | 56 | 64KB (64K x 8) | FLASH | - | 4K x 8 | 1.8V ~ 5.5V | A/D 14x12b SAR | Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
M251LC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
3,818 | - |
|
Datasheet | 48-LQFP | NuMicro™ M251 | Tray | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT | 41 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 12x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
N79E823ARGIC MCU 8BIT 4KB FLASH 20SSOP |
4,002 | - |
|
Datasheet | 20-SSOP (0.209", 5.30mm Width) | N79 | Tube | Not For New Designs | Not Verified | 8051 | 8-Bit | 20MHz | I2C, UART/USART | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | 18 | 4KB (4K x 8) | FLASH | 256 x 8 | 256 x 8 | 2.7V ~ 5.5V | A/D 4x10b | Internal | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
W78E051DFGIC MCU 8BIT 4KB FLASH 44QFP |
2,618 | - |
|
Datasheet | 44-BQFP | W78 | Tray | Not For New Designs | Not Verified | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | POR, WDT | 36 | 4KB (4K x 8) | FLASH | - | 256 x 8 | 2.4V ~ 5.5V | - | External | -40°C ~ 85°C (TA) | - | - | Surface Mount | |
|
M251EC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
1,916 | - |
|
Datasheet | 28-TSSOP (0.173", 4.40mm Width) | NuMicro™ M251 | Tube | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, LVR, POR, PWM, WDT | 23 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 9x12b SAR | External, Internal | -40°C ~ 105°C (TA) | - | - | Surface Mount | |
|
|
M252EC2AEM23-32KFLASH+8KRAM+UART+SPI+I2C+ |
1,853 | - |
|
Datasheet | 28-TSSOP (0.173", 4.40mm Width) | NuMicro™ M252 | Tube | Active | - | ARM® Cortex®-M23 | 32-Bit | 48MHz | I2C, IrDA, LINbus, QSPI, SPI, UART/USART | Brown-out Detect/Reset, DMA, LVR, POR, PWM, WDT | 23 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.75V ~ 5.5V | A/D 9x12b SAR | External, Internal | -40°C ~ 105°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.
