MSP430P337AIPJM datasheet by Texas Instruments

MSP430P337AIPJM Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the internal oscillator?
  The maximum clock frequency that can be used with the internal oscillator is 8 MHz. However, it's recommended to use a crystal oscillator for frequencies above 4 MHz for better accuracy and stability.
• How do I configure the GPIO pins as inputs or outputs?
  The GPIO pins can be configured as inputs or outputs using the PxDIR (Port x Direction) register. Setting a bit in PxDIR to 1 configures the corresponding pin as an output, while setting it to 0 configures it as an input.
• What is the purpose of the JTAG pins, and can they be used as GPIO pins?
  The JTAG pins (TCK, TMS, TDI, TDO) are used for debugging and programming the device. They can also be used as GPIO pins if the JTAG function is not needed. However, it's recommended to use the JTAG pins for their intended purpose to avoid conflicts with the debugger.
• How do I use the built-in temperature sensor?
  The built-in temperature sensor can be enabled by setting the TMPEN bit in the SYSCTL register. The temperature data can then be read from the TEMPERATURE register. The temperature sensor has a range of -40°C to 85°C and an accuracy of ±2°C.
• What is the power consumption of the device in low-power modes?
  The power consumption of the MSP430P337AIPJM in low-power modes depends on the specific mode and the clock frequency. In LPM3 (Low Power Mode 3), the current consumption is typically around 1.1 μA at 3 V and 25°C. In LPM4 (Low Power Mode 4), the current consumption is typically around 0.3 μA at 3 V and 25°C.