MSP430FE4252IPMR datasheet by Texas Instruments

MSP430FE4252IPMR 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 clock frequency of 4 MHz or less to ensure reliable operation.
• How do I configure the MSP430FE4252IPMR for low-power operation?
  To configure the MSP430FE4252IPMR for low-power operation, you can use the Low Power Mode 3 (LPM3) or Low Power Mode 4 (LPM4) modes. These modes can be enabled by setting the corresponding bits in the Status Register (SR). Additionally, you can also use the Power Management Module (PMM) to control the power modes.
• What is the maximum current that can be sourced or sunk by the GPIO pins?
  The maximum current that can be sourced or sunk by the GPIO pins is 4 mA. However, it's recommended to limit the current to 2 mA or less to ensure reliable operation.
• How do I use the Universal Serial Communication Interface (USCI) module?
  The USCI module can be used for UART, SPI, or I2C communication. To use the USCI module, you need to configure the module using the USCI control registers, and then use the corresponding transmit and receive functions to send and receive data.
• What is the purpose of the JTAG interface?
  The JTAG (Joint Test Action Group) interface is used for debugging and programming the device. It allows you to connect a debugger or programmer to the device and perform tasks such as flashing the firmware, debugging code, and monitoring system status.