The maximum operating temperature range for the MSP430FE425IPM is -40°C to 85°C, but it can be extended to -40°C to 105°C with some limitations on the clock frequency and supply voltage.
The internal oscillator on the MSP430FE425IPM can be configured using the UCSCTL0, UCSCTL1, and UCSCTL2 registers. The oscillator frequency can be set to 1 MHz, 5 MHz, 10 MHz, or 20 MHz, and the clock source can be selected as either the internal oscillator or an external clock source.
The maximum current consumption of the MSP430FE425IPM depends on the operating frequency, supply voltage, and other factors. However, according to the datasheet, the typical current consumption is around 250 μA/MHz at 3V and 25°C, and the maximum current consumption is around 1.5 mA at 3V and 25°C.
The built-in ADC on the MSP430FE425IPM is a 10-bit successive approximation register (SAR) ADC. It can be configured using the ADC10CTL0, ADC10CTL1, and ADC10DTC registers. The ADC can be triggered by a software trigger, a timer overflow, or an external signal, and the conversion result can be read from the ADC10MEM register.
The MSP430FE425IPM is designed to operate with a supply voltage between 1.8V and 3.6V. While it may be possible to use the device with a 5V power supply, it is not recommended as it may exceed the maximum rating and cause damage to the device. A voltage regulator or level shifter may be required to interface with 5V systems.
MSP430FE425IPM datasheet
by Texas Instruments
