Product characteristics

 ARM 32-bit Cortex®-M0 CPU (64 MHz MAX) 

 storage

   128kbyte Flash memory

   16K bytes of SRAM

 CRC calculation unit

   Reset and power supply management 

   Voltage range: 2.0-5.5V

   Power-on/power-off reset (POR/PDR)

   Programmable voltage detector (LVD)

 Clock part

   External 4 to 24MHz oscillator

   External 32.768KHz RTC oscillator

   Internal 16MHz RC oscillator

   Built-in high-speed PLL

   Internal 128KHz RC oscillator

   Support 1-channel clock output, which can be configured as system clock, HSE, HSI, LSE, LSI or PLL output with frequency divided by 2.

 Up to 46 high-speed I/O ports

   All can be mapped as external interrupt inputs.

   PB4~PB11, 8 large irrigation current ports

 5-channel DMA controller

 12-bit ADC (up to 12 sampling channels)

   Built-in 1 high-speed ADC1 supporting 1Mbps sampling rate

   Built-in ADC0 with a sampling rate of 100Kbps

   Three reference voltages: external reference VREF,VCC and internal reference 1.5V

  2 independent analog comparators with programmable inputs

 Driven by LCD/LED, it supports 8COM X 32SEGM. A total of 40 pins are output.

   It can support 8com x 32seg,7com x 33seg, 6com x 34seg, 5com x 35seg and 4com x 36seg.

   Configurable duty ratio: 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8 Duty.

   Configurable bias: 1/2, 1/3 and 1/4 Bias.

   Supports four levels of driving current, which can be adjusted by users according to different LCD screens.

   Support 8 levels of LED brightness (LCD contrast) adjustment.

 Up to 24 capacitive sensing channels, touch key sensor

 7 timers

   A 16-bit 7-channel timer is used for 7-channel PWM output with dead time generator and emergency braking function.

   Two 16-bit general timers, each with up to 4 input capture or output comparison channels, with dead time generator.

   A 16-bit basic timer

   Independent, windowed watchdog timer Systick timer

 RTC real-time clock, support alarm clock events, periodic wake-up.

 communication interface

   One I2C interface

   3-way USART interface

   1 SPI interface

 Serial two-wire debugging (SWD)

 96-bit ID

 Packaging LQFP48

For detailed information, please call 86）18823661714 (same as WeChat).