參數(shù)資料
型號： 91C94
廠商： SMSC Corporation
英文描述： ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述： 的ISA / PCMCIA的單芯片以太網(wǎng)控制器與RAM
文件頁數(shù)： 92/120頁
文件大?。?/td> 447K
代理商： 91C94
73
FIGURE 16 – DRIVER SEND AND ALLOCATE ROUTINES
ALLOCATE
I ssue "Alloca te Memory "
Comman dt o MMU
R ead Int er rupt Status R egister
Enqu eue Pack et
Set "Ready for Packet" Flag
Ret urn
C opy RemainingTX Dat a
Packet int oR AM
R et urn Buff ers to U pper L ayer
Write Allocated Packet int o
Packet # Register
Wr ite Address Pointer
R egister
Copy Par t of TX Data Packet
into RAM
Write Sourc e Add re ss int o
Proper L ocation
Store Data Buf fer Pointer
Clear "Ready for Packet" Flag
Enable Allocat ion Interrupt
Allocation
Pass ed ?
Yes
No
D RIVER SEND
Ch oo se Bank Select
R egist er 2
Call ALLOCATE
Exit Driver Send
Read Allocat ion Result
R egister
相關(guān)PDF資料
PDF描述
92_TNC-50-0-4/111_NE BOARD TERMINATED, FEMALE, TNC CONNECTOR, SURFACE MOUNT, JACK
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參數(shù)描述
91CCC3 制造商:Wirepro 功能描述:Connector Accessories Cap and Chain For Receptacle
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