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| Part Number | NUC126SE4AE |
| Datasheet | NUC126SE4AE datasheet |
| Description | IC MCU 32BIT 128KB FLASH 64LQFP |
| Manufacturer | Nuvoton Technology Corporation of America |
| Series | NuMicro™ NUC126 |
| Part Status | Active |
| Core Processor | ARM® Cortex®-M0 |
| Core Size | 32-Bit |
| Speed | 72MHz |
| Connectivity | I²C, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LVR, PWM, RTC, UCID |
| Number of I/O | 49 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 6K x 8 |
| RAM Size | 20K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 15x12b |
| Oscillator Type | Internal/External |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 64-LQFP |
| Base Part Number | 64-LQFP (7x7) |