The recommended crystal oscillator frequency for the CY8C4146AZI-S455 is 24 MHz, 32 kHz, or 32.768 kHz, depending on the application requirements.
The GPIO pins can be configured using the Pin Configuration Register (PCR) and the Analog Mux Register (AMUX). The PCR sets the pin as analog or digital, while the AMUX selects the analog function for the pin.
The maximum current that can be sourced by the GPIO pins is 4 mA, and the maximum current that can be sunk is 8 mA. However, it's recommended to limit the current to 2 mA for sourcing and 4 mA for sinking to ensure reliable operation.
The CY8C4146AZI-S455 has a built-in watchdog timer that can be enabled and configured using the Watchdog Timer Control Register (WDT_CTRL). The watchdog timer can be set to reset the device or generate an interrupt if the timer expires.
The power consumption of the CY8C4146AZI-S455 varies depending on the operating mode. In active mode, the current consumption is around 2.5 mA at 1.8V and 24 MHz. In sleep mode, the current consumption is around 1.5 μA at 1.8V. In deep sleep mode, the current consumption is around 0.5 μA at 1.8V.
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CY8C4146AZI-S455 Overview
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