M251ZD2AE Nuvoton Technology Corporation

Description: M23-64KFLASH+12KRAM+UART+SPI+I2C, Packaging: Tray, Package / Case: 32-WFQFN Exposed Pad, Mounting Type: Surface Mount, Speed: 48MHz, Program Memory Size: 64KB (64K x 8), RAM Size: 12K 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 10x12b SAR, Core Size: 32-Bit, Voltage - Supply (Vcc/Vdd): 1.75V ~ 5.5V, Connectivity: I2C, IrDA, LINbus, QSPI, SPI, UART/USART, Peripherals: Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT, Supplier Device Package: 33-QFN (5x5), Number of I/O: 26.