The recommended operating voltage range for CY8C3866AXA-040 is 1.71V to 5.5V, with a typical operating voltage of 3.3V.
The clock source for CY8C3866AXA-040 can be configured using the Clock Control Register (CLK_CR). You can choose between an internal oscillator, an external crystal oscillator, or an external clock source.
The maximum frequency of operation for CY8C3866AXA-040 is 67 MHz, but it can be overclocked to 80 MHz with reduced voltage and temperature ranges.
CY8C3866AXA-040 has several low-power modes, including Sleep, Hibernate, and Stop modes. These modes can be implemented using the Power Mode Register (PMR) and the Sleep Timer Register (STMR).
The maximum amount of flash memory that can be used for program storage in CY8C3866AXA-040 is 256 KB.
CY8C3866AXA-040 datasheet
by Cypress Semiconductor
