SPRZ570C November   2023  – July 2025 AM263P2-Q1 , AM263P4 , AM263P4-Q1

 

  1.   1
  2.   Abstract
  3. 1Usage Notes and Advisories Matrices
  4. 2Silicon Revision 1.0 Usage Notes and Advisories
    1. 2.1 Silicon Revision 1.0 Usage Notes
      1.      i2324
      2.      i2488
    2. 2.2 Silicon Revision 1.0 Advisories
      1.      i2189
      2.      i2310
      3.      i2374
      4.      i2311
      5.      i2345
      6.      i2351
      7.      i2352
      8.      i2353
      9.      i2354
      10.      i2356
      11.      i2357
      12.      i2358
      13.      i2359
      14.      i2383
      15.      i2392
      16.      i2393
      17.      i2394
      18.      i2401
      19.      i2404
      20.      i2405
      21.      i2426
      22.      i2427
      23.      i2428
      24.      i2433
      25.      i2438
      26.      i2439
      27.      i2485
      28.      i2486
  5. 3Trademarks
  6. 4Revision History

i2311

USART Spurious DMA Interrupts

Details:

Spurious DMA interrupts may occur when DMA is used to access TX/RX FIFO with a non-power-of-2 trigger level in the TLR register.

Workaround(s):

Use power of 2 values for TX/RX FIFO trigger levels (1, 2, 4, 8, 16, and 32).