1. Features
 32-bit ARM Star core
- With frequency up to 84MHz
- 32-bit hardware multiply/divide unit
- High-speed memory and instruction accelerator
- Instruction set compatible with Cortex-M3
 Built-in math arithmetic coprocessor (MACP)
- Hardware 32-bit CORDIC operator, supporting sine & cosine, arctangent, modulo calculation, Park transform and inverse transform
- FOC dedicated SVPWM hardware engine, supporting five-segment and seven-segment
 Memories
- Up to 64K bytes 128-bit width FLASH memory
- Up to 16K bytes of RAM
- Up to 4K bytes of EEPROM
- 1K bytes of OTP (one-time programming) memory
- Supports full code protection, including two-levels of reading protection, writing protection, erasing protection, customer security code protection, etc.
 Clock, reset and power management
- 2.4V - 5.5V power supply range, covering 3V/5V typical system
- Power-on reset, brownout detection, low-voltage reset
- Independent watchdog timer (IWDT) and window watchdog timer (WWDT)
- Integrates PLL, up to84MHz clock output
- 4M - 12MHz crystal oscillator/ceramic oscillator
- Internal high frequency RC oscillator: 8MHz (0.2% accuracy under normal temperature)
- Built-in low frequency RC oscillator: 128kHz
- Clock Security Monitor (CSM)
 1 x independent 12-bit high speed ADCs
- Up to 2M SPS sampling rate
- 16 channels (with 16 ANx sampling pins)
- Configurable sequence conversion with 16 AD conversion result registers for ADC
- Support PWM synchronously triggering AD sampling
- Single/intermittent/continuous conversion modes, support event-triggered sampling
- Internal reference voltage or external input voltage as reference source
 Up to 45 fast GPIO ports (GPIOx)
- Internal pull-up/pull-down resistors for all I/Os
-45 I/Os for TQFP48 and 29 for LQFP32
 8 channels external interrupt/event controller (EXTI)
- Support edge trigger, level trigger, software trigger
- Applicable for generating normal interrupts, wake-up events , and NMI interrupt
 1 motor-specific control modules (MCMx)
- 6 PWM outputs for each MCM, 16-bit resolution
- Support complementary/independent output mode, support symmetric and asymmetric waveform generation
- Integrates dead time logic, fault protection, logic exception protection, wave-by-wave current limiting, etc.
- Each MCM integrates 4 event comparators, providing 4 AD sampling moments
- Support phase shift function, suitable for single shunt sampling
 Two 32-bit PCA0-1 with compare/capture/PWM modules
 Two 16-bit basic timers/counters (TIMx)
- Capable of cascade-connected as 32-bit timer
- Automatically reload counter
 1 quadrature encoder interface (QEI) with independent 32-bit timer included
 Multiple serial communication interfaces
- 3 universal asynchronous receiver transmitter (UARTx)
- 1 serial peripheral interfaces (SPI)
- 1 two-wire serial interface (TWI), master-slave mode, compatible with I2C
 Other analog modules on chip
- 4 independent high speed operational amplifiers (OPx)
- 1 independent high speed comparators (CMPx)
- Internal high accuracy reference voltage
 CRC calculation unit
- supporting 8/16/32-bit polynomial
- applicable for code verification, data verification
 LVR function (2 thresholds), BOD function (16 thresholds)
 96-bit unique ID
 Low power modes: sleep mode & stop mode
 Supports 2-wire SWD interface
 Operating temperature: -40 ~ 105℃
 Package: TQFP48, LQFP32