The maximum operating temperature range for CY8C21123-24SXIT is -40°C to +85°C.
The clock source for CY8C21123-24SXIT can be configured using the Clock Control Register (CLK_CR). You can select between the internal oscillator, external clock, or the PLL clock source.
The maximum current consumption of CY8C21123-24SXIT is 20mA at 24MHz with all peripherals enabled.
To implement sleep mode on CY8C21123-24SXIT, you need to set the SLEEP bit in the Power Management Control Register (PMC_CTRL). You can also use the PSoC Creator software to configure the sleep mode settings.
Yes, CY8C21123-24SXIT can operate with a 3.3V power supply. However, you need to ensure that the voltage regulator is capable of providing a stable 3.3V output.
CY8C21123-24SXIT datasheet
by Cypress Semiconductor
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