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 1 MHz or less to ensure reliable operation.
To configure the MSP430F1491IPMG4 for low-power operation, you can use the Power Management Module (PMM) to select the lowest possible clock frequency, disable unused peripherals, and use the Low Power Mode 3 (LPM3) or Low Power Mode 4 (LPM4) modes. You can also use the Dynamic Voltage Scaling (DVS) feature to reduce the voltage supply to the core and peripherals.
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 and prevent damage to the device.
The USCI module can be configured for UART, SPI, or I2C communication by setting the appropriate control registers and using the corresponding protocol-specific registers. For example, to use the USCI module for UART communication, you need to set the UCMODE register to 0x00, configure the UART baud rate using the UCBRx register, and use the UART-specific registers such as UCXTX and UCXRX.
The JTAG fuse is a one-time programmable (OTP) fuse that can be used to permanently disable the JTAG interface. This can be useful for securing the device and preventing unauthorized access. To use the JTAG fuse, you need to program the fuse using the TI-provided programming tools, such as the MSP-FET or the MSP-EXP430F1491IPMG4 development board.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
MSP430F1491IPMG4 Overview
Use the download button to access the MSP430F1491IPMG4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MSP43,
or try a keyword search, such as Microcontrollers
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
