Main features

－  Arm® Cortex®-M0 @64MHz, supports single-cycle hardware multiplication instructions

－  Encrypted memory

•  Up to 128KB on-chip Main Flash and 8K on-chip Data Flash, support encrypted storage, partition management, data protection, hardware ECC, 100,000 erases, and 10 years of data maintenance

•  16KB on-chip SRAM, can be maintained in STOP mode, and supports hardware parity

－  Power consumption mode

•  Supports Run, Sleep, Stop, Power Down modes

－  Supports internal RC or external crystal clock inputs

－  Reset

•  Supports power-on/power-down/external pin reset

•  Supports programmable low voltage detection reset

•  Support watchdog reset and software reset

－  Communication interface

•  5 UART interfaces, support asynchronous, multi-processor, single-line half-duplex mode

•  3 SPI interfaces

•  2 I2C interfaces, master-slave mode can be matched

•  1 CAN 2.0A/B bus interface

－  1 high-speed DMA controller, supports 5 channels

－  1 RTC real-time clock, supports leap year perpetual calendar, alarm clock events, periodic wake-up, internal and external clock calibration

－  Segment LCD display driver, up to 256 segments (8x32) or 144 segments (4x36) or 111 segments (3x37)

－  Analog interface

•  1 x 12bits 1Msps high-speed ADC with up to 15 external single-ended input channels

•  4 high-speed analog comparators with built-in 64-stage adjustable comparison benchmark

•  1 8/12bit 1Msps DAC

•  Internal 1.2V independent reference voltage reference source

•  Internal integrated low voltage inspection unit

－  Support up to 61 GPIOs that support multiplexing

－  1 buzzer, 16mA output drive capability

－  Timer counter

•  1 16bit advanced timing counter, supports input capture/output comparison, 5 independent channels, 8 complementary PWM outputs

•  4 16bit universal timing counters, 16 independent channels, support input capture/output comparison/PWM output/single pulse mode output

•  1 16bit basic timing counter, supports STOP mode wake-up

•  1 24bit SysTick

•  1 14-bit window watchdog (WWDG)

•  1 12bit independent watchdog (IWDG)

－  Safety features

•  CRC16 operation

•  Flash storage encryption, multi-user partition management (MMU)

•  Support write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2)

•  Support external clock failure monitoring and anti-tamping monitoring

－  96-bit UID and 128-bit UCID

－Working conditions

•  Working voltage: 2.0V~5.5V

•  Working ambient temperature: -40℃～+105℃