The recommended power-on sequence is to apply power to the core voltage (VDD_CORE) first, followed by the I/O voltage (VDD_I/O). This ensures that the internal voltage regulators are powered up correctly.
To configure the EMIF for optimal performance, ensure that the memory timing parameters (e.g., CAS latency, RAS-to-CAS delay) are set correctly, and the memory clock frequency is within the recommended range. Additionally, consider using the EMIF calibration feature to optimize the memory interface.
The maximum frequency for the ARM core is 594 MHz. To achieve this frequency, ensure that the clock source is set to the internal oscillator, and the PLL (Phase-Locked Loop) is configured correctly. Additionally, optimize the system clock configuration and ensure that the voltage and temperature conditions are within the recommended range.
To use the VPSS, configure the VPSS module to select the desired video standard (e.g., H.264, MPEG-4), and set up the video processing pipeline. Then, use the VPSS APIs to encode or decode video streams. Refer to the VPSS user's guide for detailed instructions and example code.
The Reset Pin (RSTIN) is an active-low input that resets the device when asserted low. Use the RSTIN pin to reset the device in case of a system failure or to initialize the device during power-up. Ensure that the RSTIN pin is connected to a suitable reset source, such as a reset generator or a push-button switch.
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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.
