Motorola MPC8260 User Manual
29-74
MPC8260 PowerQUICC II UserÕs Manual
MOTOROLA
Part IV. Communications Processor Module
29.10.5.8 AAL5 TxBDs
Figure 29-50 shows the AAL5 TxBD.
Offset + 0x08
Extra Cell Header.
Used to store the user-deÞned cellÕs extra cell header. The extra cell header can be 1Ð12 bytes long.
Offset + 0x14
Reserved (12 bytes)
Figure 29-49. User-Defined CellÑRxBD Extension
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Offset + 0x00
R
Ñ
W
I
L
Ñ
CM
Ñ
CLP CNG
Ñ
Offset + 0x02
Data Length (DL)
Offset + 0x04
Tx Data Buffer Pointer (TXDBPTR)
Offset + 0x06
Figure 29-50. AAL5 TxBD