Introduction - If you have any usage issues, please Google them yourself
DEC5502_USB procedures with the main PC application communication between the USB and PC machines in accordance with instructions from the corresponding action. DEC5502_LED procedure and system configuration of the system timer interrupt to control the indicator D5 and D1, and D1 through D5 are flashing alternately to achieve the test system and the system timer interrupt purposes. DEC5502_DARAM procedures realize the DSP chip s read and write access daram. DEC5502_DMA procedure to configure DMA channels daram realize on-chip and external expansion of the data transfer between SDRAM. DEC5502_UARTONCHIP procedures realize the DSP on-chip UART and PC-serial data communications.