N32G452REL7

The N32G452 series features a 32-bit ARM Cortex-M4F core with a maximum operating frequency of 144MHz, supporting floating-point operations and DSP instructions. It integrates up to 512KB Flash, 144KB SRAM, 2x12-bit 4.7Msps ADC, 2x1Msps 12-bit DAC, multiple U(S)ART, I2C, SPI, QSPI, USB, and CAN communication interfaces, 1x SDIO interface, and a built-in cryptographic algorithm hardware acceleration engine.

Key features

• 32-bit ARM Cortex-M4 core + FPU, single-cycle hardware multiply/divide instructions, DSP instructions and MPU support, 8KB instruction Cache, zero-wait Flash accelerator execution, up to 144MHz clock frequency, 180DMIPS
• Up to 512KByte on-chip Flash with encrypted storage, multi-user partition management, data protection, hardware ECC, 100K erase/write cycles, 10-year data retention
• 144KByte on-chip SRAM (including 16KByte Retention RAM) with hardware parity check support for Retention RAM
• 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 with 1 clock output, configurable system clock, HSE, HSI, or post-PLL divided output
• Power-on/power-off/under-voltage/external pin reset, watchdog reset, and software reset support
• 7x U(S)ART interfaces up to 4.5 Mbps, including 3x USART (ISO7816, IrDA, LIN support) and 4x UART
• 3x SPI interfaces up to 36 MHz, 2 of which support I2S
• 1x QSPI interface up to 144 Mbps
• 4x I2C interfaces up to 1 MHz, configurable master/slave mode, dual-address response in slave mode
• 1x USB2.0 Full Speed Device interface
• 2x CAN 2.0A/B bus interfaces
• 1x SDIO interface supporting SD/SDIO/MMC formats
• 2x 12-bit 4.7Msps high-speed ADCs, multiple configurable resolutions, up to 8.9Msps in 6-bit mode, up to 18 external single-ended input channels with differential mode support
• 2x 12-bit DACs, 1Msps sample rate
• External independent reference voltage source input support
• All analog interfaces support full-voltage operation at 1.8~3.6V
• Up to 97 GPIOs with multiplexed functions, most supporting 5V tolerance
• 2x high-speed DMA controllers, each with 8 channels and fully configurable source/destination addresses
• RTC with leap year perpetual calendar, alarm events, periodic wakeup, internal/external clock calibration support
• 2x 16-bit advanced timer/counters with input capture, output compare, PWM output, and quadrature encoder input; maximum control resolution 6.9ns; 4 independent channels each, 3 channels supporting 6 complementary PWM outputs
• 4x 16-bit general-purpose timer/counters, 4 independent channels each, supporting input capture/output compare/PWM output/one-pulse output
• 2x 16-bit basic timer/counters
• 1x 24-bit SysTick
• 1x 7-bit Window Watchdog (WWDG)
• 1x 12-bit Independent Watchdog (IWDG)
• SWD/JTAG in-circuit debug interface, UART and USB Bootloader support
• Security features: built-in cryptographic hardware acceleration engine supporting AES, DES, SHA, SM1, SM3, SM4, SM7, MD5; Flash encryption, multi-user partition management (MMU), TRNG, CRC16/32, Write Protection (WRP), multiple Read Protection (RDP) levels (L0/L1/L2), secure boot, encrypted program download, secure update, external clock failure detection, tamper detection
• 96-bit UID and 128-bit UCID
• Operating voltage: 1.8V~3.6V
• Operating temperature: -40°C~105°C
• ESD: ±4KV (HBM), ±1KV (CDM)