PXF4333 Datasheet, PDF (170/361 Pages) Infineon Technologies AG – ABM 3G ATM Buf fer Manager

ABM-3G
PXF 4333 V1.1
Register Description
Register 11 UA5RXDAT0/DA5RXDAT0
Upstream/Downstream AAL5 Receive Data 0 Registers
CPU Accessibility:
Reset Value:
Offset Address:
Typical Usage:
Read/Write
0000_H
UA5RXDAT0 0D_H
Read by CPU
DA5RXDAT0 1D_H
Bit
15
14
13
12
11
10
9
8
Octet(4n)(7:0)
Bit
7
6
5
4
3
2
1
0
Octet(4n+1)(7:0)
Cell Receive Data Transfer Register
Octet(4n)(7:0) Payload data Octet (4n)
Octet(4n+1)(7:0) Payload data Octet (4n+1)
The payload data octets of a cell extracted from either upstream or
downstream direction are read by consecutive read accesses to
registers URXDAT0/DRXDAT0 and URXDAT1/DRXDAT1 in
alternating manner until end of packet:
cycle n=0: Octet 0 and 1: read from URXDAT0/DRXDAT0
cycle n=0: Octet 2 and 3: read from URXDAT1/DRXDAT1
cycle n=1: Octet 4 and 5: read from URXDAT0/DRXDAT0
cycle n=1: Octet 6 and 7: read from URXDAT1/DRXDAT1
...
After EOP is found, CPCS-UU, CPI and Status is read.
Data Sheet
170
2001-12-17