The recommended crystal oscillator frequency for the CY8C4045LQS-S411 is 32.768 kHz. This frequency is used as the clock source for the internal real-time clock (RTC) and watchdog timer.
The GPIO pins on the CY8C4045LQS-S411 can be configured as analog or digital inputs using the Pin Configuration Register (PCR). The PCR register is used to set the pin mode, drive mode, and input buffer mode for each GPIO pin.
The maximum current that can be sourced or sunk by the GPIO pins on the CY8C4045LQS-S411 is 25 mA. However, it's recommended to limit the current to 10 mA or less to ensure reliable operation and prevent overheating.
The internal voltage regulator on the CY8C4045LQS-S411 can be used to power external components by connecting the VREG pin to the external component's power pin. The VREG pin provides a regulated 1.8V output that can supply up to 50 mA of current.
The VBAT pin on the CY8C4045LQS-S411 is used to connect a battery or supercapacitor to provide power to the internal real-time clock (RTC) and other components during power-down modes. This allows the device to retain its configuration and RTC settings even when the main power supply is removed.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
CY8C4045LQS-S411 Overview
Use the download button to access the CY8C4045LQS-S411 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like CY8C4,
or try a keyword search, such as Other uPs/uCs/Peripheral ICs
