•  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 200 MHz, 300 DMIPS

•  Memories

―  512-KByte of embedded Flash memory with ECC

♦  Supports encryption, multi-user partition and data protection

♦  100,000 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: typical value 6uA, all backup registers and Backup SRAM retained, all IOs 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, with an accuracy of -1.5% to +2% across the full temperature range.

―  LSI: Low-speed internal RC 32KHz, with an accuracy of +/-10% across the full temperature range.

•  Reset

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

―  Supports watchdog reset

―  Supports programmable voltage detection

•  GPIOs

―  Up to 107 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

•  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