The maximum operating temperature range for the MSP430FR69891IPZ is -40°C to 85°C, as specified in the datasheet. However, it's essential to note that the device can operate at a reduced frequency and voltage at higher temperatures.
To configure the MSP430FR69891IPZ for low-power operation, you can use the Power Management Module (PMM) to control the power modes. The PMM allows you to select from various power modes, such as LPM0 (active mode), LPM1 (low-power mode), LPM2 (low-power mode with CPU disabled), LPM3 (low-power mode with CPU and MCLK disabled), and LPM4 (low-power mode with CPU, MCLK, and ACLK disabled). You can also use the FRAM controller to reduce power consumption by configuring the FRAM to operate in low-power mode.
The maximum frequency of the MSP430FR69891IPZ is 24 MHz, which is the maximum frequency of the internal digitally controlled oscillator (DCO). However, the device can also operate at lower frequencies, such as 12 MHz, 6 MHz, or 1.5 MHz, depending on the application requirements.
The FRAM (Ferroelectric Random Access Memory) in the MSP430FR69891IPZ is a non-volatile memory that can be used to store data and program code. To use the FRAM, you need to configure the FRAM controller to enable the FRAM interface. You can then use the FRAM to store data and program code, and access it using the FRAM interface. The FRAM can be used in place of traditional flash memory, and it offers faster write times and lower power consumption.
The JTAG (Joint Test Action Group) interface on the MSP430FR69891IPZ is used for debugging and programming the device. The JTAG interface allows you to connect a debugger or programmer to the device, and use it to load program code, debug the code, and perform other development tasks. The JTAG interface is also used for boundary scan testing and other manufacturing tests.
MSP430FR69891IPZ datasheet
by Texas Instruments
