PXF4333 Datasheet, PDF (240/361 Pages) Infineon Technologies AG – ABM 3G ATM Buf fer Manager

7.2.15 Queue Parameter Table Mask Registers
ABM-3G
PXF 4333 V1.1
Register Description
Register 57 UQPTM0/DQPTM0
Upstream/Downstream Queue Parameter Table Mask Registers 0
CPU Accessibility:
Reset Value:
Offset Address:
Typical Usage:
Read/Write
0000_H
UQPTM0 65_H
DQPTM0 85_H
Written by CPU to control internal table Read/Write
access
Bit
15
14
13
12
11
10
9
8
xQPTM0(15:8)
Bit
7
6
5
4
3
2
1
0
xQPTM0(7:0)
UQPTM0(15:0)
DQPTM0(15:0)
Upstream QPT Mask Register 0
Downstream QPT Mask Register 0
UQPTM0/DQPTM0 control the Write access from the respective
transfer registers to the internal tables on a per-bit selection basis.
The mask registers correspond to the respective transfer registers
(UQPT1T0/UQPT2T0, DQPT1T0/DQPT2T0):
0
The dedicated bit of the transfer register overwrites the
table entry during Write.
Does not affect Read access.
1
The dedicated bit of the transfer register does not
overwrite the table entry during Write.
Does not affect Read access.
Data Sheet
240
2001-12-17