Ethernet (ETH): media access control (MAC) with DMA controller RM0033
952/1381 RM0033 Rev 9
Ethernet DMA current host transmit descriptor register (ETH_DMACHTDR)
Address offset: 0x1048
Reset value: 0x0000 0000
The Current host transmit descriptor register points to the start address of the current
transmit descriptor read by the DMA.
Ethernet DMA current host receive descriptor register (ETH_DMACHRDR)
Address offset: 0x104C
Reset value: 0x0000 0000
The Current host receive descriptor register points to the start address of the current receive
descriptor read by the DMA.
Ethernet DMA current host transmit buffer address register
(ETH_DMACHTBAR)
Address offset: 0x1050
Reset value: 0x0000 0000
The Current host transmit buffer address register points to the current transmit buffer
address being read by the DMA.
313029282726252423222120191817161514131211109876543210
HTDAP
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Bits 31:0 HTDAP: Host transmit descriptor address pointer
Cleared . Pointer updated by DMA during operation.
313029282726252423222120191817161514131211109876543210
HRDAP
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Bits 31:0 HRDAP: Host receive descriptor address pointer
Cleared On Reset. Pointer updated by DMA during operation.
313029282726252423222120191817161514131211109876543210
HTBAP
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Bits 31:0 HTBAP: Host transmit buffer address pointer
Cleared On Reset. Pointer updated by DMA during operation.
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