Hardware requirements

Mini/micro USB cable
MIMXRT1180-EVK board
Personal Computer

Board settings

No special settings are required.

Prepare the Demo

Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
Open a serial terminal with the following settings:
- 115200 baud rate
- 8 data bits
- No parity
- One stop bit
- No flow control
Download the program to the target board.
Press the reset button on your board to begin running the demo.

Running the demo

The log below shows the output demo in the terminal window: Note: 1. Only PDM channel 3 has valid data according to the EVK default configurations. 2. PDM channel 4 & 5 has valid data if R348 is restored. R348 is DNP by default.

PDM edma multi channel standalone transfer example started!
PDM recieved channel data:
PDM channel 3
3c7e00 331000 3d4700 35f400 291a00 33b600 2bcb00 3cfd00 345100 15b600 3ccb00 4d9200 252e00 389b00 315100 289700 383b00 1d3d00 bab00 2ca300 52a800 318800 27d700 300200 1ec800 3abc00 361800 3d0a00 3b1100 352f00 4c0d00 212700 361600 386900 368f00 2f4400 cac00 40db00 40a500 426e00 282a00 252d00 477200 24e800 24ae00 440a00 5cb400 2cad00 7ec00 378900 331a00 206f00 340100 297400 30c500 376500 35e400 228900 14e300 52bd00 7f1600 4cd900 10f00 1df200 391400 29e100 1ec900 30c900 392000 130500 4b3100 3ace00 163e00 1c5300 112000 47e100 3a6800 37f200 337800 332600 404d00 1efa00 335a00 1ad300 28df00 4fbd00 2db700 348f00 323a00 2bd600 2a0f00 2afd00 389e00 359b00 2c3100 2d9e00 39df00 2d0a00 36a300 33a400 41f400 3f2e00 26e400 43bc00 253200 379b00 26e500 301500 5da600 315300 3f5f00 c6300 197a00 3b1100 225d00 3b6600 30f300 543600 3ef700 ff000 328f00 48e100 48cc00 283800 380c00 37a000 363d00 3e4200
PDM channel 4
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM channel 5
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM channel 6
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM channel 3
2a9400 2f7d00 27b700 3bc400 1a7a00 303a00 30a900 21bf00 3cf000 1f3100 4a1b00 3e0000 343700 33ce00 3fd500 48e800 dfb00 30cd00 3ce500 279100 3ce900 2aa400 2d8300 387d00 205c00 34ec00 2b5000 25b400 50f900 35eb00 2d6a00 377c00 247a00 50b200 3b0800 342900 4eda00 323b00 39a800 14a100 22c800 3b4900 36ec00 377600 67600 2d7700 363000 137700 36b100 2a8a00 471f00 457100 26e500 394900 126d00 2a0100 40ae00 347900 429900 33c000 1b4b00 2eb000 4e8700 228500 2e0600 471000 182a00 295100 3baf00 3ec800 1c6400 fffe9200 33c200 499d00 47b800 303900 1f0200 2f4100 32a400 38e700 234e00 2f3b00 385f00 1c4100 44fd00 3d8900 244f00 28fd00 26ee00 394b00 418600 2b6e00 23ac00 270c00 29b800 44a000 2ac700 24b300 3e6400 3f4200 2f5400 356400 218f00 263f00 422200 3b5d00 5a7700 22d900 11fe00 3a2200 297600 2ee800 37d700 464c00 4d0300 3ad800 3b4d00 2ed600 331a00 302200 1b3500 40c600 512700 427b00 2ac200 290500 274d00 2d3d00
PDM channel 4
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM channel 5
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM channel 6
200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200
PDM edma multi channel standalone transfer example finished!