CHAPTER 4 ATM CELL PROCESSOR

248 Preliminary User’s Manual S15543EJ1V0UM
Figure 4-9. Tx Buffer Elements

- Tx buffer directory

Tx buffer directory Address

- Tx link pointer

0
31 0
31 0
Tx buffer desciptor 0
Tx buffer desciptor 1
Tx buffer desciptor 2
Tx buffer desciptor 3
Tx buffer desciptor 4
Tx buffer desciptor N
Tx link pointer

- Tx buffer descriptor

31 016 15
Buffer Address
LSize

- Tx packet descriptor

31 0
16 15
Tx buffer directory Address
|
Attribute CPCS-UU CPI
DL 0
0DL
Figure 4-9 shows Tx buffer elements. Each element consists of a couple of 32-bit words in sequential address.Detail is given in following sections.