參數(shù)資料
型號: VT86C100A
廠商: Electronic Theatre Controls, Inc.
英文描述: PCI FAST ETHERNET CONTROLLER
中文描述: PCI快速以太網(wǎng)控制器
文件頁數(shù): 17/32頁
文件大?。?/td> 349K
代理商: VT86C100A
VIA Technologies, Inc.
Preliminary VT86C100A
6.3.1 Multiple Chained buffer structure
The VT86C100A can support multiple chain buffer for direct map to OS`s data buffer. The VT86C100A bus
mastering module will direct move the data from network to the OS`s data buffer or direct transmit the data in
OS`s buffer onto network not necessary move to a temperate data buffer. But the data buffer must be double
word aligned. In this multiple chained buffer structure, the first data buffer descriptor Chain
Multiple Buffer Frame
F0
C
C
0
F0
F0
Simple Ring Buffer Structure
F0
0
0
0
F1
F2
C=DES1[15]
Figure 6 : Ring buffer and multiple buffer structure
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