8 aal5 txbds, Aal5 txbds -74, User-defined cellñrxbd extension -74 – Motorola MPC8260 User Manual

Page 854: Aal5 txbd -74

Advertising
background image

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

Advertising