Stm32f103c8t6 package and minimum system schematic

STM32F103C8T6 is an integrated circuit with a core size of 32 bits, a program memory capacity of 64KB, a voltage of 2V to 3.6V, and an operating temperature of -40°C to 85°C.

The following describes the package and minimum system schematic of the STM32F103C8T6.

The STM32F103C8T6 package is a LQFP48-48 pin small outline quad flat package, as shown below:

The functions of the smallest system version of the MCU are similar, mainly in the following aspects:

MCU:

Power regulator circuit:

For power supply, it is usually powered by the USB port of the computer.

Power supply filter circuit:

BOOT selection:

The level state at the time of chip reset determines from which area the program is executed after the chip is reset.

BOOT1=x BOOT0=0 Boot from user flash, which is the normal operating mode.

BOOT1=0 BOOT0=1 Boot from system memory, the program function started in this mode is set by the manufacturer.

BOOT1=1 BOOT0=1 Boot from the built-in SRAM, this mode can be used for debugging.

Indicator circuit:

JLINK interface circuit:

The mouth of the firing program is used to debug the programming program.

Crystal oscillator circuit:

Used for timing, in parallel with two capacitors, the size of the capacitor is determined by your crystal, generally 22pF.

Reset circuit:

Extended interface circuit:

USB interface circuit:

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