| TYPE | DESCRIPTION |
| Mfr | Nuvoton Technology Corporation |
| Series | NuMicro™ M258 |
| Package | Tray |
| Product Status | ACTIVE |
| Package / Case | 128-LQFP |
| Mounting Type | Surface Mount |
| Speed | 48MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 32K x 8 |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Oscillator Type | External, Internal |
| Program Memory Type | FLASH |
| Core Processor | ARM® Cortex®-M23 |
| Data Converters | A/D 16x12b SAR; D/A 2x12b |
| Core Size | 32-Bit |
| Voltage - Supply (Vcc/Vdd) | 1.75V ~ 5.5V |
| Connectivity | I2C, IrDA, LINbus, QSPI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT |
| Supplier Device Package | 128-LQFP (14x14) |
| Number of I/O | 82 |
