The maximum operating temperature range for the LPC4357FET256,551 is -40°C to +105°C.
The boot mode for the LPC4357FET256,551 can be configured using the BOOTSEL pins. The BOOTSEL pins are sampled during reset to determine the boot mode. The boot mode can be set to boot from internal flash, external flash, or SPIFI flash.
The maximum clock frequency for the LPC4357FET256,551 is 204 MHz.
The SPIFI interface on the LPC4357FET256,551 can be used to connect to external flash memory devices. The SPIFI interface is a synchronous serial interface that can operate at speeds up to 52 MHz.
The power consumption of the LPC4357FET256,551 depends on the operating frequency and the peripherals used. In active mode, the typical current consumption is around 130 mA at 204 MHz. In sleep mode, the typical current consumption is around 10 mA.