XRT79L71
REV. P1.0.3
PRELIMINARY
1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
á
326
1
Discard Cell Enable
R/W
Discard Cell Enable - User Cell Filter # 3:
This READ/WRITE bit-field permits the user to either configure
User Cell Filter # 3 (within the Receive ATM Cell Processor
Block) to discard all cells that have header byte patterns that
comply with the "user-defined" criteria, per User Cell Filter # 3, or
NOT discard any of these cells.
If the user configures User Cell Filter # 3 to NOT discarded any
cells that is compliant with a certain "header-byte" pattern, then
the cell will be retained for further processing.
0 - Configures User Cell Filter # 3 to NOT discard any cells that
have header byte patterns that are compliant with the "user-
defined" filtering criteria.
1 - Configures User Cell Filter # 3 to discard any cells that have
header byte patterns that are compliant with the "user-defined"
filtering criteria.
N
OTE
:
This bit-field is only active if "User Cell Filter # 3" has
been enabled.
0
Filter if Pattern Match
R/W
Filter if Pattern Match - User Cell Filter # 3:
This READ/WRITE bit-field permits the user to either configure
User Cell Filter # 3 to filter (based upon the configuration set-
tings for Bits 1 and 2, in this register) ATM cells with header
bytes that match the "user-defined" header byte patterns, or to
filter ATM cells with header bytes that do NOT match the "user-
defined" header byte patterns.
0 - Configures User Cell Filter # 3 to filter user cells that do NOT
match the header byte patterns (as defined in the " " registers).
1 - Configures User Cell Filter # 3 to filter user cells that do
match the header byte patterns (as defined in the " " registers).
N
OTE
:
This bit-field is only active if "User Cell Filter # 3" has
been enabled.
RECEIVE ATM CELL PROCESSOR BLOCK - RECEIVE USER CELL FILTER # 3 - PATTERN REGISTER -
HEADER BYTE 1 (ADDRESS = 0X1774)
B
IT
7
B
IT
6
B
IT
5
B
IT
4
B
IT
3
B
IT
2
B
IT
1
B
IT
0
Unused
User Cell Fil-
ter # 3 Enable
Copy Cell
Enable
Discard Cell
Enable
Filter if Pat-
tern Match
R/O
R/O
R/O
R/O
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
7 - 4
Unused
R/O
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION