Product introduction:The FT32F113xx uses a high-performance ARM Cortex-M3 32-bit RISC core with a maximum operating frequency of 72MHz. Built-in high-speed memory (up to 128K bytes of flash and 20K bytes of SRAM) and rich enhanced I/O ports. The chip offers rich peripherals, including 2 I2C interfaces, 2 SPI interfaces, 3 USART interfaces, 1 USB interface, 1 CAN, 2 12-bit ADC, up to 7 timers (1 advanced, 3 general, 2 Watchdog, and 1 system). Three low power modes guarantee the requirements of low power applications. Support SWD and JTAG interface debugging, 2 watchpoints and 6 hardware breakpoints for easy debugging.Application areas:Medical equipment, PC peripherals, industrial control, intelligent instruments, home appliances, etc.CPU characteristics:l  Operating voltage: 1.8V~5.0Vl  Operating temperature range: -40℃~105℃l  RISC core based on ARM Cortex-M3 32-bitü  32-bit hardware multiplier with single instruction cycleü  NVIC with 60 interrupt vectors, 16 kinds of priorityü  Support for SWD interface debugging, 2 watchpoints and 6 hardware breakpointsl  Memory architectureü  Flash program memory: 128KBü  Data RAM: 20KBl  3 Low power modes: Sleep/Stop/StandbyPeripheral characteristics:l  Clock sourceü  Built-in 8MHz oscillatorü  Built in 40kHz low frequency oscillatorü  Support 4MHz-16MHz crystal and external clock inputü  Support 32 kHz low frequency crystal and support for hardware calibrationü  Crystal clock missing detectionü  Programmable PLL with up to 72MHz frequency doublingl  37/51/80 high speed IOl  1 programmable 7-channel DMA controllerl  CRC module for programmable polynomialsl  2 12-bit ADCsü  16 external channelsü  Internal channels: temperature sensor, internal voltage referencel  Real-time clock and calendar RTC moduleü  Support intrusion detection, alarm clock and periodic wake upl  Timerü  TIM1-16bit, 4-channel PWM, supports dead zone control and emergency braking functionü  TIM2/TIM3/ TIM4-16bit, 4 independent channels support input capture, output comparison, PWM and pulse counting and other functionsü  2 watchdogs: WWDG and IWDGü  1 24-bit system timerl  Communication interfaceü  2 I2C, where I2C1 supports SMBus/PMBusü  2 SPI with a maximum transfer speed of 18Mbpsü  3 USART, support ISO7816, LIN, IrDA, Modem control functionü  1 USB, support 2.0 full speed protocolü  1 CAN 2.0B