Adaptec AIC-6915 Informações Técnicas descarregar pdf (Página 159)

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Transmit Frame Processor - TxGfpMem

Type: R/W

Internal Registers Su/jointfilesconvert/419897/bgroup: Transmit Frame Processor Register

Byte Address: 8000h-9FFFh

Receive Frame Processor - RxGfpMem

Type: R/W

Internal Registers Su/jointfilesconvert/419897/bgroup: Receive Frame Processor Register

Byte Address: A000h-BFFFh

Ethernet FIFO

Type: R/W

Internal Registers Su/jointfilesconvert/419897/bgroup: 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.

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Adaptec AIC-6915 Informações Técnicas Página 159