🚲 Air32F103

Air32F103 It is a series of chips. The first model is Air32F103CBT6. Its peripheral and hardware design is compatible with some mainstream F103 models in the market. The main frequency can reach 256M,96K RAM 128K Flash. Each IO can be set with independent internal pull-up resistors.

• AIR32F103 Chip
  • AIR32F103 What is it??
  • Environment Construction Tutorial
  • Replace other chip instructions
  • Enhancements
  • Precautions
  • Module Purchase
  • Chip PinOut
• Development Board
  • Development Board PinOut
  • Instructions for use
• Hardware Data
• Air32F103 Manual
  • 1. background
  • 2. environment construction
    • Preparations
    • Install Support Package
    • New construction
    • Test code
  • 3. Download Burn
• Transplant from SXX32F103
  • Foreword
  • Fast replacement SXX32F103 chip
  • AIR32F103 Hardware usage differences
  • TIM2 Module reuse differences
  • GPIO Description of pin withstand voltage
  • bootstrap mode select pin
  • AIR32F103 Software Use Differences
  • System function
    • Configure DEBUG state, enable SW, turn off JTAG difference
    • Turning off JTAG or releasing JTRST in the emulated state will result in a reset
    • Configuration option for bootstrap mode not reloaded on soft reset
    • Some SXX32F103-specific burner downloads are not supported.
    • Some third-party burners failed to download.
    • When accessing APB bus with non-32bit alignment, the phenomenon is different
    • Interrupt Controller Differences
    • The method of distinguishing between the Air32 chip and the SXX32F103 chip.
    • Software delay difference
    • RTC Clock, algorithm difference when pre-divider load value exceeds 0xffff
    • TRACESWO Instructions for use as a Printf function
    • Description of the size of the write-protected area automatically turned on after the read protection is turned on
  • ADC
    • After configuring the ADC for continuous sampling and enabling the ADC, only turning off the ADC enable cannot stop the conversion
    • ADC Software trigger considerations for enabling ADON twice in a row and then performing external events
    • ADC Software trigger considerations for enabling external events twice in a row
    • Dual ADC Different Mode Differences
    • ADC and DMA configuration usage considerations
    • ADC Automatic injection of conversion differences using ADC
  • TIM
    • The Channel3 of the general-purpose timer TIM2-TIM5 does not support the comparison output function
    • BIF cannot be cleared when the time interval between two consecutive braking is less than one TIM clock cycle
    • TIM does not reconfigure CNT to count after software modifies CNT value
  • CAN
    • Configuration Filter Considerations in Sleep Mode
    • CAN When the timestamp is sent, the timestamp fills the position difference of the message.
    • TXFP FIFO priority difference at 1
  • FLASH
    • FLASH Write protect the first block after erasing other Page for the first time, phenomenon difference
    • probability when calling FLASH_EraseOptionBytes() interface to erase option bytes Fault
  • USART
    • No clock output in smart card mode
    • Use DMA to send data, and judge whether all data is sent through USART TC flag bit
  • SPI/IIS
    • IIS I2SE phenomenon difference off in main receive mode and in PCM standard mode
    • As a Master, considerations for sending and receiving data in full duplex mode
    • When SPE is closed in BUSY state, there is a probability that data cannot be sent and received.
    • SPI Transferring data using DMA
    • SPI RXE set, data in the DR remains after the DR is read
  • USB Module
  • DMA Module
  • ISP、Considerations for the use of emulators and offline burners
    • ISP Tools
    • Emulator
    • Precautions for using pack SXX32F1xx above Keil. DFP.2.3.0
    • Downloader
      • Burning exception when the chip is in read-write protection state
      • Burn failed with WizPro200ST8 programmer
• Enhanced function instructions
  • PLL High Frequency Configuration
  • GPIO Support independent pull-up control
  • USB Internal optional 1.5K pull-up resistor
  • USB Supports 1/1.5/2/2.5/3/3.5/4/4.5 frequency division of PLL clock as USB clock
  • MCO Output PLL 2-16 Divided Output Support
• DAPLink Manual
  • Overview
  • Main functions
  • Hardware
  • Open Source Tutorial
  • Using the Tutorial
    • KEIL Configuration
    • Update Firmware
  • FAQ
    • There is no driver on the plug-in computer
    • Device Manager has a device, but KEIL does not recognize it
    • The device manager has devices, and KEIL is the latest version, but it still doesn’t recognize it.
    • Device Manager has a device, but the openocd does not recognize it
    • The burner is connected, but the debugged board is not displayed in the KEIL device list.
    • keil Download Times RDDI-DAP Error Solution
• Air32F103_PCB
• BluePill_PCB