The Nuvoton M058LDN is an integrated circuit microcontroller that belongs to the ARM Cortex-M0 core processor series. It operates at a speed of 50MHz and comes in a 48-LQFP package. With a 32-bit single-core size, this microcontroller offers a wide range of connectivity options including EBI/EMI, I²C, IrDA, LINbus, SPI, and UART/USART. It also features various peripherals such as Brown-out Detect/Reset, LVR, POR, PWM, and WDT. The M058LDN has a program memory size of 32KB and a FLASH program memory type. It also includes a 4K x 8 EEPROM and 4K x 8 RAM. With an internal oscillator type, this microcontroller is suitable for surface mount mounting. It operates within a temperature range of -40°C to 85°C and has a voltage supply range of 2.5V to 5.5V. The Nuvoton M058LDN is an active product and is widely used in embedded systems and microcontroller applications.