? Arm? Cortex?-M0 @48MHz
? Encrypted Memory:
- Up to 64KB eFlash, supports encrypted storage, hardware ECC, 100,000 erase/write cycles, 10-year data retention.
- 8KB SRAM, supports hardware parity check.
? Low Power Management:
- Stop Mode: RTC run, retains up to 8KB SRAM, CPU register retention, all IO retention, 20μs fast wake-up.
- Power Down Mode: Supports wake-up via 3 IOs.
? Clock Input: Supports internal RC or external crystal clock input.
? Reset:
- Supports power-on/power-off/external pin reset.
- Supports watchdog reset.
? Communication Interfaces:
- 3 UART/USART interfaces, including 2 USART interfaces (supporting 1x ISO7816, 1x IrDA, LIN), and 1 UART interface supporting low power features (LPUART).
- 2 SPI interfaces, with 1 supporting I2S.
- 2 I2C interfaces, configurable as master or slave.
? Analog Interfaces:
- 1 12-bit 1Msps ADC, supporting up to 12 external channels.
- 1 operational amplifier with up to 32x programmable gain.
- 1 high-speed analog comparator with built-in 64-level adjustable reference.
? GPIO: Supports up to 40 GPIOs.
? High-speed DMA Controller: Supports 5 channels.
? RTC Real-Time Clock: Supports leap year calendar, alarm events, periodic wake-up, internal/external clock calibration.
? Buzzers: 2 buzzers, supporting complementary output with up to 16mA drive capability.
? Timers and Counters:
- 2 16-bit advanced timers, supporting 6 complementary PWM outputs.
- 1 16-bit general-purpose timer, supporting input capture/output compare/PWM output.
- 1 16-bit basic timer.
- 1 16-bit low-power timer.
- 1 24-bit SysTick.
- 1 7-bit window watchdog (WWDG).
- 1 12-bit independent watchdog (IWDG).
? Hardware Divider (HDIV) and Square Root Accelerator (SQRT).
? Security Features:
- Flash storage encryption.
- CRC16/32 calculation.
- Supports write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2).
- Supports clock failure detection, tamper detection.
? Identification:
- 96-bit UID and 128-bit UCID.
? High-Reliability Operating Environment:
- 1.8V to 5.5V / -40℃ to 105℃.
- ±4kV ESD (HBM).
