Technical information

7-87
Register Descriptions
Transmit Frame Processor - TxGfpMem
Type: R/W
Internal Registers Subgroup: Transmit Frame Processor Register
Byte Address: 8000h-9FFFh
Receive Frame Processor - RxGfpMem
Type: R/W
Internal Registers Subgroup: Receive Frame Processor Register
Byte Address: A000h-BFFFh
Ethernet FIFO
Type: R/W
Internal Registers Subgroup: Ethernet FIFO
Byte Address: C000h-DFFFh
The DMA FIFO is mapped to an 8Kbyte address space.
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Table 7-110. Transmit Frame Processor Register
Bit(s) rw
Reset
Value Description/Function
31:0 r/w x
TxGfpMem:
This field defines a 256-byte address space that the
software driver can use to access the transmit General Frame
Processor program memory.
Table 7-111. Receive Frame Processor Register
Bit(s) rw
Reset
Value Description/Function
31:0 r/w x
RxGfpMem:
This field defines a 256-byte address space that the
software driver can use to access the receive GFP program memory.
Table 7-112. FifoAccess Register
Bit(s) rw
Reset
Value Description/Function
31:0 r/w x
EthernetFifo:
This field defines an 8-KByte address space that the
software driver can use to access the Ethernet port of the DMA
FIFO.