• CPU Core 

― 32-bit ARM Cortex-M4F + FPU, single-cycle hardware multiplication and division instruction, support DSP instruction and MPU

― Built-in 8-KB instruction Cache supporting Flash acceleration unit for zero-wait program execution

―Frequency up to 240 MHz, 300 DMIPS 

• Memories 

― 512-KByte of embedded Flash memory with ECC

 ♦ Supports encryption, multi-user partition and data protection 
 ♦ 10,000 erase/write cycles and 10-years data retention

― 160-KByte of general SRAM with hardware parity checking

― 32-KByte of CCM SRAM with ECC, defaults to general SRAM after power-up, configurable as CCM SRAM

― 4-KByte of Backup SRAM with ECC available in Standby mode 

• Power Modes

― Run mode: 45 mA/MHz@240 MHz (peripherals off, 3.3 V@25℃)

― Stop0 mode: SRAM and all registers can be configured to retention, RTC run

― Standby mode: 6uA, all backup registers and Backup SRAM retained, all IOs retained, optional RTC run

― VBAT mode: 4uA, all backup registers and Backup SRAM retained, optional RTC run 

• Clock

― HSE: 4MHz~32MHz high-speed external crystal oscillator

― LSE: 32.768KHz low-speed external crystal oscillator

― Built-in multiple high speed PLLs

― MCO: Supports 2-channel clock outputs, which can be configured independently as clock output

― HSI: High-speed internal RC 8MHz, -1.5% to +2% accuracy (full temperature range)

― LSI: Low-speed internal RC 32KHz, +/-10% accuracy (full temperature range) 

• Reset

― Supports power-on/brown-out/external pin reset

― Supports watchdog reset

― Supports programmable voltage detection 

• GPIOs

― Up to 118 GPIOs 

• Communication Interfaces

― 1x USB2.0 FS Device interface, built-in PHY, supports crystal-less mode

― 6x SPI interfaces, 2x I2S interfaces, support half/full duplex mode, multiplexed with SPI interfaces

― U(S)ART interfaces 
 ♦ 4x USART interfaces (support ISO7816, IrDA, LIN) 
 ♦ 4x UART interfaces 
 ♦ TX/RX of USART3/UART5/UART8 can be mapped to all pins

― 4x I2C interfaces(Master/Slave) with speed up to 1 MHz where slave mode support dual address response

― 3x CAN-FD bus interface, TX/RX can be mapped to all pins

― 1x IEEE-802.3-2002 compatible Ethernet MAC interface, supports 10M/100M Ethernet, IEEE1588 
synchronized Ethernet protocol

―  1x DVP (Digital Video Port) supporting 8/10/12/16 bit data 

• High Performance Analog Interfaces

― 4x 12bit ADCs with 4.7Msps 
 ♦ Multiple precision configuration, support 12-bit, 10-bit, 8-bit, 6-bit sampling precision, resolution up to 16-bit with hardware oversample 
 ♦ Up to 16 external single-ended input channels, 3 internal single-ended input channels, support differential mode and single-ended mode

― 8x 12bit DAC 
 ♦ DAC1~4: Support 1 internal output channel and 1 external output channel, with a sampling rate of 1Msps. Support output channel buffered/unbuffered modes. 
 ♦ DAC5~8: Support 1 internal output channel and 1 external output channel, with a sampling rate of 15Msps. Only support output channel buffered/unbuffered modes.

― 4x rail-to-rail PGAs, support differential mode and single-ended mode

― 7x high-speed comparators (COMP)

― Supports 1 reference voltage VREFBUF (2.048V/2.5V/2.9V configurable) ― 1x temperature sensor