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lot small system microcontroller core board STM32 development board ARM learning module STM32F103C8T6 Product description Kernel: ARM 32-bit Cortex ™ -M3 CPU - 72MHz operating frequency - Single cycle multiplication and hardware division Memory - from 64K or 128K bytes of Flash program memory - up to 20K bytes of SRAM L clock, reset and power management -2.0 ~ 3.6 V power supply and I / O pin - Power-on / power-down reset (POR / PDR), programmable voltage monitoring (PVD) -4 ~ 16MHz crystal oscillator - Built-in factory adjusted 8MHz RC oscillator - 40 kHz RC oscillator with internal calibration - the PLL that generates the CPU clock - 32kHz RTC oscillator with calibration function Low power consumption - sleep, stop and standby modes -V BAT powers the RTC and back-up registers Two 12-bit analog-to-digital converters, 1us conversion time (up to 16) - Conversion range: 0 to 3.6V - double sampling and hold function - Temperature sensor DMA: -7 channel DMA controller - Supported peripherals: timers, ADC, SPI, I 2 C and USART Up to 80 fast I / O ports -26/37/51/80 I / O ports, all I / O ports can be mapped to 16 external interrupts; almost all ports can tolerate 5V messages number Debug mode - Serial single wire debug (SWD) and JTAG interface Up to 7 timers -3 16-bit timers, each with up to 4 timers Input capture / output compare / PWM or pulse count channel And incremental encoder inputs -1 16-band with dead zone control and emergency brakes for motors Control of the PWM Advanced Control Timer -2 watchdog timer (standalone and window type) - System time timer: 24-bit self-decrement counter Up to 9 communication interfaces - Up to 2 I 2 C interfaces (SMBus / PMBus support) - Up to 3 USART interfaces (support ISO7816 interface, LIN, IrDA interface and modem control) Up to 2 SPI interfaces (18Mbit / s) -CAN interface (2.0B active) -USB 2.0 full-speed interface CRC calculation unit, 96 bit chip code
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