AT32F403AVGT7 PIN To PIN Alternative STM32F103VGT6 STM32F103VET6 STM32F103VET7 STM32F103VCT6 STM32F103VBT6 flash 512KBSoftware hardware is completely compatible

Efficacy / performance
ARM® Cortex®-M4 frequency up to 240MHz
Single precision floating point arithmetic unit
Memory execution zero waiting technology
2.6V ~ 3.6V supply voltage
I / OS can withstand 5V level
Temperature range-40 ~ + 105 ° C
RAM
Up to 1MB flash memory
Up to 224KB SRAM
Slib: Set the specified main storage area to execute the code security library area (only can call the unread)
SPIM
Up to 16MB External SPI Flash Memory Extension (program execution / data storage / program and data can be encrypted)
clock
PLL (240 MHz output)
External high speed 4 ~ 25 MHz crystal oscillator
Interior high speed 48 MHz RC oscillator (-40 ° C ~ 105 ° C)
With Auto Clock Calibration Function (ACC) (25 ° C reaches 1% accuracy, -40 ° C ~ 105 ° C reaches 2.5% accuracy)
External low speed 32.768kHz RTC crystal oscillator
Internal low speed 40kHz RC oscillator
Reset and power management
Sleep, stop, and standby mode
Power / Power-off Reset (POR / PDR)
Programmable voltage monitor (PVD)
Vʙᴀᴛ is powered by RTC and 42 16-bit backup registers
Simulated high performance peripherals
3 groups of 2M sampling rate 12-bit A / D converter (16 channels)
2 channel 12-bit D / A converter
Timer
2 16-bit dead zone control PWM advanced control timer
2 32-bit, 8 16-bit universal timer
2 watchdog timers (independent and window)
2 16-bit basic timer (driver DAC)
1 system time timer: 24-bit self-reduction
Peripheral interface
3 x I2c
4 x SPI / I2S (SPI can reach 50MHz)
(Where I2S2 / I2S3 supports full duplex)
4 x USART + 4 x UART (support ISO7816, Lin, IRDA interface and modulation control)
2 x SDIO
Crystal-Less USB2.0 full speed interface
2 x CAN 2.0B
DMA
14 channels, support timers, ADC, DAC, SDIO, I2S, SPI, I2C and USART
Quick I / O port
Up to 80 I / O ports, all I / O ports can be imaged to 16 external interrupts; almost all I / O ports canlerant 5V input signals
All I / O ports are fast I / O, register access speed is maximum fᴀʜʙ
XMC
Support CF card, SRAM, PSRAM, NOR, and NAND memory
Support parallel LCD interface, compatible with 8080/6800 mode
Encapsulate
48/64/100-Pin LQFP
48-Pin QFN

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