• CPU core
― 32-bit ARM Cortex-M4 core + FPU, single-cycle hardware multiply instructions, DSP instruction and MPU support
― Built-in 8KB instruction Cache, support Flash acceleration unit execution program 0 wait
― Maximum main frequency 72MHz, 90DMIPS
• Memory
― Up to 512KByte on-chip Flash with encrypted storage, partition management and data protection, hardware ECC checksum, 100,000 erasures, 10-year data retention
― Up to 144KByte on-chip SRAM (including 16KByte Retention RAM) with hardware parity support
• High-performance analog interface
― 4x 12bit 4.2Msps high-speed ADCs, configurable in 12/10/8/6-bit mode, with sampling rates up to 9Msps in 6bit mode, up to 38 external single-ended input channels, supporting differential mode
― 4x rail-to-rail operational amplifiers with built-in programmable gain amplification up to 32x
― Up to 7 high-speed analog comparators with built-in 64-level adjustable comparison reference
― 2x 12-bit DACs with 1Msps sampling rate
― Support external input independent reference voltage source
― All analog interfaces support 1.8~3.6V full voltage operation
• Clock
― 4MHz~32MHz External High Speed Crystal
― 32.768KHz External Low Speed Crystal
― Internal High Speed RC 8MHz
― Internal low-speed RC 40KHz
― Internal high speed PLL
― Support 1 channel clock output, configurable system clock, HSE, HSI or PLL post-division output
• Reset
― Support power-up/power-down/external pin reset
― Support programmable low voltage detection and reset
― Support watchdog reset
• Support up to 80 GPIOs with multiplexing function and a maximum flip speed of 50MHz
• Communication interface
― 7x U(S)ART interfaces, up to 4.5 Mbps, including 3 USART interfaces (1xISO7816, 1xIrDA, LIN supported) and 4 UART interfaces
― 3x SPI interfaces with speeds up to 36 MHz, 2 of which support I2S
― 1x QSPI interface with speeds up to 144 Mbps
― 4x I2C interfaces at up to 1 MHz, master-slave mode configurable, dual address response support in slave mode
― 2x CAN 2.0A/B bus interfaces
― 1x SDIO interface, supporting SD/SDIO/MMC format
• 2x high-speed DMA controllers, each controller supports 8 channels, channel source and destination
• RTC real time clock, support leap year perpetual calendar, alarm events, periodic wake-up, support internal and external clock calibration
• Timer counter
― 2x 16-bit advanced timer counters, support input capture, complementary output, quadrature encoding input, etc., with maximum control accuracy of 13.9ns; each timer has 4 independent channels, 3 of which support 6 complementary PWM outputs
― 4x 16bit general-purpose timers, each timer has 4 independent channels, support input capture/output comparison/PWM output
― 2x 16bit base timer counters
― 1x 24bit SysTick
― 1x 7bit Window Watchdog (WWDG)
― 1x 12bit Independent Watchdog ( IWDG)
• Programming mode
― Support SWD/JTAG online debugging interface
― Support UART bootloader
• Safety features
― Built-in hardware acceleration engine for cryptographic algorithms
― Support DES/3DES、AES、SHA1/SHA224/SHA256、SM1、SM3、SM4、SM7、MD5 algorithms
― Flash storage encryption, multi-user partition management (MMU)
― TRNG true random number generator
― CRC16/32 operation
― Support write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2)
― Support program encryption download
― Support clock failure detection, tamper-proof detection
• 96-bit UID and 128-bit UCID
• Working Conditions
― Working voltage range: 1.8V~3.6V
― Working temperature range: -40℃~105℃|125℃
― Certified by AEC-Q100-G2
― ESD: ±4KV (HBM model), ±1KV (CDM model)
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