SMSC LAN91C111 Manual do Utilizador descarregar pdf (Página 94)

10/100 Non-PCI Ethernet Single Chip MAC + PHY

Datasheet

Revision 1.91 (08-18-08) 94 SMSC LAN91C111 REV C

DATASHEET

Figure 10.6 Interrupt Generation for Transmit, Receive, MMU

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CPU ADDRESS

CSMA ADDRESS

RX PACKET

NUMBER

RX FIFO

PACKET NUMBER

PACKET NUMBER

REGISTER

PACK # OUT

M.S. BIT ONLY

'EMPTY'

'NOT EMPTY'

TX DONE

PACKET NUMBER

'NOT EMPTY'

INTERRUPT

STATUS REGISTER

RCV

INT

TX EMPTY

INT

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INT

ALLOC

INT

TWO

OPTIONS

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