Experiment 6 : LED Binary Counter


In this lab, we were first asked to implement a 4-bit binary counter followed by a 3-bit counter. We implemented the codes for the same on the DSP board and saw the LED’s glow from 0-15 as in case of 4-bit counter and 0-7 in case of the 3-bit counter. After this, we were asked to read up about the flash memory. We learnt how a code can be loaded into the DSP board’s flash memory using the GPIO pins 84-87. These GPIOs are pulled high by resistors R3, R4, R5 and R14 to code 1111 thus jumping to Flash memory. To load code in flash memory, Texas instruments itself provides the code to execute flash programming. Now once the desired code is loaded into flash memory, we saw how it is not needed for the DSP board and JTAG to be connected to the PC, but a mere power supply from the adapter is all that it takes for the code to function. This thus eliminates the need for a PC to execute a code and makes the DSP board a standalone system.

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