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| PartNumber | NUC220SC2AN | NUC220SD2AN | NUC220SE3AN |
| Description | IC MCU 32BIT 32KB FLASH 64LQFP | IC MCU 32BIT 64KB FLASH 64LQFP | IC MCU 32BIT 128KB FLASH 64LQFP |
| Manufacturer | - | Nuvoton Technology Corporation of America | - |
| Product Category | - | Embedded - Microcontrollers | - |
| Series | - | NuMicro NUC220 | - |
| Packaging | - | Tray | - |
| Package Case | - | 64-LQFP | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | * | - |
| Number of I O | - | 45 | - |
| Speed | - | 50MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | ARMR CortexR-M0 | - |
| RAM Size | - | 8K x 8 | - |
| Program Memory Type | - | FLASH | - |
| Peripherals | - | Brown-out Detect/Reset, DMA, I2S, LVD, POR, PS2, PWM, WDT | - |
| Connectivity | - | I2C, IrDA, SPI, UART/USART, USB | - |
| Voltage Supply Vcc Vdd | - | 2.5 V ~ 5.5 V | - |
| Core Size | - | 32-Bit | - |
| Program Memory Size | - | 64KB (64K x 8) | - |
| Data Converters | - | A/D 7x12b | - |
| Oscillator Type | - | Internal | - |