Motorola MPC8260 - Manual (Page 854)

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