N32A455 series based on 32-bit ARM Cortex-M4F kernel, run up to 144MHz, support floating-point unit and DSP instructions, integrates up to 512KB embedded flash, 144KB SRAM, integrates rich high-performance analog devices, built-in 4x12bit 4.7Msps ADCs, 4x independent rail-to-rail operational amplifiers, 7x high-speed comparators, 2x 1Msps 12bit DACs, integrates multi-channel U(S)ART, I2C, SPI, QSPI, CAN, SDIO communication interfaces, built-in cryptographic algorithm hardware acceleration engine.