The recommended crystal oscillator frequency for the LM3S308-IQN25-C2 is 12 MHz, as specified in the datasheet. However, it's also possible to use other frequencies such as 16 MHz or 20 MHz, but this may require adjustments to the PLL settings and clock configuration.
To configure the JTAG interface, connect the TDI, TDO, TCK, and TMS pins to a JTAG adapter or debugger, and ensure that the JTAG clock frequency is set to 10 MHz or less. Also, make sure to configure the JTAG pins as inputs in the GPIO configuration.
The maximum current draw of the LM3S308-IQN25-C2 depends on the operating frequency, voltage, and peripheral usage. According to the datasheet, the maximum current draw is approximately 250 mA at 3.3V and 50 MHz. However, this value can be higher or lower depending on the specific application and usage.
The LM3S308-IQN25-C2 has a built-in watchdog timer that can be enabled and configured using the Watchdog Timer (WDT) module. The WDT can be configured to generate a reset or interrupt upon timeout, and the timeout period can be set to a value between 1 ms and 256 ms.
The LM3S308-IQN25-C2 has an operating temperature range of -40°C to 85°C, making it suitable for industrial and commercial applications. However, it's essential to ensure that the device is properly cooled and operated within the recommended temperature range to prevent overheating and ensure reliable operation.
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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.