參數(shù)資料
型號: LAN91C100
廠商: SMSC Corporation
英文描述: FEAST⑩ Fast Ethernet Controller
中文描述: 宴⑩快速以太網(wǎng)控制器
文件頁數(shù): 55/101頁
文件大?。?/td> 312K
代理商: LAN91C100
55
ISR
Save Bank Select & Address
Ptr Registers
Mask SMC91C100 Interrupts
Read Interrupt Register
Call TX INTR or TXEMPTY
INTR
TX INTR
Get Next TX
RX INTR
Yes
No
No
Yes
Call RXINTR
ALLOC INTR
No
Yes
Write Allocated Pkt # into
Packet Number Reg.
Write Ad Ptr Reg. & Copy Data
& Source Address
Enqueue Packet
Packet
Available for
Transmission
Yes
No
Call ALLOCATE
EPH INTR
No
Yes
Call EPH INTR
Set "Ready for Packet" Flag
Return Buffers to Upper Layer
Disable Allocation Interrupt
Mask
Restore Address Pointer &
Bank Select Registers
Unmask SMC91C100
Interrupts
Exit ISR
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