The recommended operating voltage range for the STM6823TWY6F is 1.65V to 3.6V.
The clock source for the STM6823TWY6F can be configured using the CLK_SRC[1:0] pins. The clock source can be set to either the internal oscillator, an external clock, or the HSE crystal oscillator.
The maximum frequency of the STM6823TWY6F is 72 MHz.
The JTAG interface on the STM6823TWY6F can be enabled by setting the JTAGEN bit in the DBGMCU_CR register.
The BOOT0 and BOOT1 pins on the STM6823TWY6F are used to select the boot mode of the device. They can be used to select between booting from the internal flash, an external memory, or a serial interface.