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

Memory

128K bytes of Flash memory

16K bytes of SRAM

CRC computing unit

Reset and power management

Voltage range: 2.0-5.5V

Power on/power off reset (POR/PDR)

Programmable voltage detector (LVD)

Clock section

External 4 to 24MHz oscillator

External 32.768KHz RTC oscillator

Internal 16MHz RC oscillator

Built in high-speed PLL

Internal 128KHz RC oscillator

Supports 1 clock output and can be configured as system clock, HSE, HSI, LSE, LSI, or 2-division PLL output

Up to 46 high-speed I/O ports

All can be mapped as external interrupt inputs

PB4~PB11, 8 large current injection ports

5-channel DMA controller

12 bit ADC (up to 12 sampling channels)

Built in 1 high-speed ADC1 that supports 1Mbps sampling rate

Built in 1 100Kbps sampling rate ADC0

3 reference voltages: external reference VREF, VCC, internal reference 1.5V

2 independent analog comparators with programmable inputs

LCD/LED driver, with larger support for 8COM X 32SEGM. A total of 40 pin outputs

Larger support for 8com x 32seg, 7com x 33seg, 6com x 34seg, 5com x 35seg, 4Com x 36seg

Configurable duty cycle: 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8 Duty

Configurable bias voltage: 1/2, 1/3, 1/4 Bias

Supports 4 levels of driving current, users can adjust according to different LCD screens

Support 8-level LED brightness (LCD contrast) adjustment

Up to 24 capacitive sensing channels, touch button sensors

7 timers

A 16 bit 7-channel timer for 7-channel PWM output, with dead time generator and emergency braking function

Two 16 bit universal timers, each with up to 4 input capture or output comparison channels, with a dead time generator

A 16 bit basic timer

Independent, window watchdog timer SysTick timer

RTC real-time clock, supporting alarm events, periodic wake-up

Communication interface

One I2C interface

3-way USART interface

1 SPI interface

Serial Two Wire Debugging (SWD)

96 digit ID

Packaging LQFP44