GD32E230, Cortex-M3 for Industrial Applications

 

32bit ARM Cortex-M23 core

Up to 72 MHz operation frequency Single-cycle multiplication and hardware diviEder Ultra-low power, energy-efficient operation Excellent code density Integrated Nested Vectored Interrupt Controller (NVIC) 24-bit SysTick timer Internal Bus Matrix connected with AHB master, Serial Wire Debug Port and Single-cycle IO port Nested Vectored Interrupt Controller (NVIC) Breakpoint Unit(BPU) Data Watchpoint and Trace (DWT) Serial Wire Debug Port

Embedded Flash

Up to 64 Kbytes of Flash memory Up to 8 Kbytes of SRAM with hardware parity checking

Clock

Internal 8 MHz factory-trimmed RC and external 4 to 32 MHz crystal oscillator Internal 28 MHz RC oscillator Internal 40 KHz RC calibrated oscillator and external 32.768 KHz crystal oscillator Integrated system clock PLL 1.8 to 3.6 V application supply and I/Os

Boot

Boot from main flash for user code Boot from system memory for boot code Boot from on-chip SRAM

Power Saving Modes

Sleep, Deep-sleep and Standby modes

Peripherals

  • 12bit SAR ADC on 2Mbps
  • 12bit, 10bit, 8bit and 6bit configuration resolution
  • Hardware oversampling ratio adjustable from 2x to 256x improves resolution to 16bit.
  • Temperature sensor
  • 5x DMA between timers, ADC, SPI, I2C, USART and I2S.
  • up to 39x GPIO
  • 1x 16bit advanced timer, up to 5x 16bit GP timers, 1x basic timer.
  • Up to 4x PWM
  • 1x motor control PWM
  • Encoder with 2x QDEC
  • 24-bit systick timer
  • 2x watchdog timers
  • RTC with calendar
  • 2x I2C up to 1MHz
  • 2x SPI up to 18MHz, support QSPI in master mode
  • 2x USART up to 4.5Mbps, support IrDA/LIN/ISO7816-m modes
  • 1x I2S from 8kHz to 192kHz
  • 1x comparator

Power Supply

Supply Supervisor: POR (Power On Reset), PDR (Power Down Reset), and low voltage detector (LVD)

VDD range: 1.8 to 3.6 V, external power supply for I/Os and the internal regulator. Provided externally through VDD pins. VSSA, VDDA range: 1.8 to 3.6 V, external analog power supplies for ADC, reset blocks, RCs and PLL. VDDA and VSSA must be connected to VDD and VSS, respectively. VBAT range: 1.8 to 3.6 V, power supply for RTC, external clock 32 KHz oscillator and backup registers (through power switch) when VDD is not present.

Package

LQFP48 (GD32E230CxTx), LQFP32 (GD32E230KxTx), QFN32 (GD32E230KxUx), QFN28 (GD32E230GxUx), TSSOP20 (GD32E230FxPx) and LGA20 (GD32E230FxVx).  Operation temperature range: -40°C to +85°C (industrial level) for grade 6 devices, and -40°C to +105°C (industrial level) for grade 7 devices.

Datasheet

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