Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Alif Semiconductor/AE722F80F55D5AS_CM55_HE_View/ETH/ETH_DMA_CH0_CURRENT_APP_RXBUFFER#0x0
DMA Channel 0 Current Application Receive Buffer Address Register
Application Receive Buffer Address Pointer The DMA updates this pointer during Rx operation. This pointer is cleared on reset.
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https://github.com/cmsis-svd/cmsis-svd-data