N32S003 security chip utilizes 32-bit Arm ® Cortex®-M0 core, with a maximum operating frequency of 48MHz, integrates up to 64KB Flash, 6KB SRAM, supports 2 32-bit timers, integrates UART, I2C, SCD communication interfaces, and has a built-in hardware acceleration engine for cryptographic algorithms. The product has advantages such as high safety, small size, high integration, and easy development. The chip has passed EAL4+ security certification.