N32A455CEL7
Key Features
- CPU core ― 32-bit ARM Cortex-M4 +FPU, one-cycle hardware multiply and divide instructions, DSP instruction and MPU support ― Built-in 8KB instruction Cache, which support Flash acceleration unit to execute program 0 wait ― Run up to 144MHz, 180DMIPS
- Encrypted memory ― Up to 512K Bytes of embedded Flash memory, supporting encrypted storage, multi-user partition management and data protection, hardware ECC check, 100,000 cycling and 10 years data retention ― 144K Bytes of SRAM (including 16K Byte Retention RAM), Retention RAM supporting hardware parity check
- Clock ― HSE: 4MHz~32MHz External high-speed crystal ― LSE: 32.768KHz External low-speed crystal ― HSI: Internal high-speed RC OSC 8MHz ― LSI: internal low-speed RC OSC 40KHz ― Built-in high speed PLL ― MCO: Support 1-way clock output, configurable SYSCLK, HSE, HSI or PLL clock output that can be divided
- Reset ― Support power-on/power-down/ brown-out/external pin reset ― Support programmable low-voltage detection and reset ― Support watchdog reset, software reset
- Communication interface ― Up to 7x U(S)ART interfaces up to 4.5 Mbps, including 3x USART interfaces (supporting ISO7816, IrDA, LIN), and 4x UART interfaces ― 3x SPI interfaces up to 36 MHz, two of which support I2S ― 1x QSPI interface up to 144 Mbps ― 4x I2C interfaces up to 1 MHz, which can be configured in master/slave mode and support dual address response in slave mode ― 2x CAN 2.0A/B bus interfaces ― 1x SDIO interface supporting SD/SDIO/MMC format 1 / 84 Nations Tec
