The recommended operating voltage range for CY8C20434-12LQXIT is 1.71V to 5.5V, with a typical operating voltage of 3.3V.
The clock source for CY8C20434-12LQXIT can be configured using the Clock Divider Register (CLKDIV) and the Clock Select Register (CLKSEL). The device can be clocked from an internal oscillator, an external crystal oscillator, or an external clock source.
The maximum frequency of operation for CY8C20434-12LQXIT is 12 MHz, which is the maximum frequency of the internal oscillator.
The flash memory of CY8C20434-12LQXIT can be programmed using the In-System Serial Programming (ISSP) protocol, which allows programming through a serial interface. Cypress provides a programming tool called PSoC Programmer that can be used to program the device.
The power consumption of CY8C20434-12LQXIT depends on the operating frequency, voltage, and mode of operation. In active mode, the typical current consumption is around 2.5 mA at 3.3V and 12 MHz. In sleep mode, the typical current consumption is around 1.5 μA.