AN983B Datasheet, PDF (58/91 Pages) List of Unclassifed Manufacturers – PCI/miniPCI-to-Ethernet LAN Controller

AN983B PCI/miPCI Fast Ethernet Controller with integrated PHY
Chain structure
There is only one buffer per descriptor in chain structure.
CSR3 or CSR4
Descriptor Pointer
Descriptor
own
--- Length 1
Buffer1 pointer
Next point
Data Buffer
Data
Length 1
own
--- Length 2
Buffer1 pointer
Next point
Data Buffer
Data
Length 2
own
--- Length 3
Buffer1 pointer
Next point
Data Buffer
Data
Length 3
Fig - 6 Chain structure of frame buffer
Rev. 1.8
ADMtek Inc.
www.admtek.com.tw