The recommended power-up sequence is to apply VDD (1.2V to 1.4V) first, followed by VIO (1.8V to 3.3V) and then the clock signal. This ensures proper device operation and prevents latch-up.
Optimization depends on the specific application. However, general tips include using the correct clock frequency, optimizing code for the C54x core, using the EDMA controller for data transfers, and minimizing power consumption by using low-power modes.
The maximum operating temperature range for the TMS320VC5420GGU200 is -40°C to 85°C. However, it's recommended to operate the device within the specified temperature range for optimal performance and reliability.
A boot loader can be implemented using the device's ROM boot loader or by creating a custom boot loader using the device's flash memory. The boot loader should be designed to load the application code from an external memory device, such as a flash memory or an SD card.
Key considerations for PCB design and layout include using a 4-layer board with a solid ground plane, placing decoupling capacitors close to the device, and minimizing signal trace lengths and impedance mismatches. It's also important to follow the device's pinout and signal routing guidelines.
TMS320VC5420GGU200 datasheet
by Texas Instruments
