•  CPU Core

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

-    Built-in 8KB I-Cache (instruction cache) and 1KB D-Cache (data cache), supporting Flash Accelerator Unit for zero-wait program execution

-    Frequency up to 240 MHz, 300 DMIPS

•  Memories

-    1MByte on-chip Flash, dual-bank support, enabling secure storage, partition management and data protection, 10,000 erase/write cycles, 10-year data retention

-    192KB general-purpose SRAM, configurable for ECC support

-    64KB CCM SRAM, defaulted as general-purpose SRAM, configurable as CCM SRAM, configurable for ECC support

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

•  Power Modes

-    Run mode: All peripherals configurable for operation

-    Sleep Mode: CPU halted, peripherals configurable for operation

-    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 67 GPIOs, PG9 to PG14 comprise 6 I/O pins capable of supporting VDDIO input power supply operation.

•  Communication Interfaces

-    6x SPI interfaces, support half/full duplex mode

-    U(S)ART interfaces

♦  1x USART interfaces (support ISO7816, IrDA, LIN)

♦  2x UART interfaces

♦  TX/RX can be mapped to all pins

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

•  High Performance Analog Interfaces

-    3x 12-bit 4.7 Msps ADCs, supporting 12-bit, 10-bit, 8-bit, and 6-bit sampling precision, with hardware oversampling capability up to 16 bits. ADC1 supports up to 16 external single-ended input channels, ADC2 supports up to 17 external single-ended input channels, and ADC3 supports up to 10 external single-ended input channels. Both single-ended and differential modes are supported.

-    2x 12-bit DACs, each supporting one internal output channel and one external output channel. Sampling rate: 1 Msps. Supports buffered and unbuffered outputs. Capable of internal output, external output, or simultaneous internal and external output.

1x temperature sensor