NEC Network Controller uPD98502 - Manual (Page 252)

CHAPTER 4 ATM CELL PROCESSOR
252 Preliminary User’s Manual S15543EJ1V0UM
Figure 4-13. Rx Pool Descriptor/Rx Buffer Directory/Rx Buffer Descriptor/Rx Link Pointer
-Rx buffer directory
Rx buffer directory Address
-Rx link pointer
Attribute
31 0
31 0
Rx buffer desciptor 0
Rx buffer desciptor 1
Rx buffer desciptor 2
Rx buffer desciptor 3
Rx buffer desciptor 4
Rx buffer desciptor 5
|
Rx link pointer
-Rx buffer descriptor
31 0 16 15
Buffer Address
Attribute Size
-Rx pool descriptor
31 0 16 15
Rx buffer directory Address
Attribute
Figure 4-13 shows Rx buffer elements. Each element consists of a couple of 32-bit words of sequential address.
Detail is given in following sections.