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| PartNumber | NUC131LC2AE | NUC131LD2AE | NUC131SC2AE |
| Description | IC MCU 32BIT 36KB FLASH 48LQFP | IC MCU 32BIT 68KB FLASH 48LQFP | IC MCU 32BIT 36KB FLASH 64LQFP |
| Manufacturer | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | NuMicro NUC131 | NuMicro NUC131 | NuMicro NUC131 |
| Packaging | Tray | Tray | Tray |
| Package Case | 48-LQFP | 48-LQFP | 64-LQFP |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supplier Device Package | 48-LQFP (7x7) | 48-LQFP (7x7) | 64-LQFP (7x7) |
| Number of I O | 42 | 42 | 56 |
| Speed | 50MHz | 50MHz | 50MHz |
| EEPROM Size | - | - | - |
| Core Processor | ARMR CortexR-M0 | ARMR CortexR-M0 | ARMR CortexR-M0 |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 |
| Program Memory Type | FLASH | FLASH | FLASH |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | CAN, I2C, IrDA, LIN, SPI, UART/USART | CAN, I2C, IrDA, LIN, SPI, UART/USART | CAN, I2C, IrDA, LIN, SPI, UART/USART |
| Voltage Supply Vcc Vdd | 2.5 V ~ 5.5 V | 2.5 V ~ 5.5 V | 2.5 V ~ 5.5 V |
| Core Size | 32-Bit | 32-Bit | 32-Bit |
| Program Memory Size | 36KB (36K x 8) | 68KB (68K x 8) | 36KB (36K x 8) |
| Data Converters | A/D 8x12b | A/D 8x12b | A/D 8x12b |
| Oscillator Type | Internal | Internal | Internal |