78Q8430 Data Sheet
DS_8430_001
7.5.6 QUE First/Last Register
Name: QFLR
Reset Val: 0x0000_0000
Block: QUE
Address: 0x018
Bits
Type
Default Description
31:23
22:16
X
Reserved
RW
0x00
0x00
Last
The value of the Last pointer for this QUE.
15:7
6:0
X
Reserved
RW
First
The value of the First pointer for this QUE.
Note: The default values will vary for static QUEs 2 and 5.
7.5.7 QUE Status Register
Name: QSR
Reset Val: 0x0000_0000
Block: QUE
Address: 0x01C
Bits
Type Default Description
31
RW
0
QDR
QUE data is ready.
30
RW
0
Pause Mask
When set, pause mode has no effect on the QDR bit for this QUE. The
default behavior when clear is to disallow the setting of the QDR bit in
pause mode.
29:26
25:24
X
Reserved
RW
00
Mode
The current QSR value for the QDR mode.
00 = QDR set when First is not 0
01 = QDR set when above is set.
10 = QDR set when LEOP is not zero.
11 = QDR set when above is set or LEOP is not 0.
Reserved
23:19
18
X
RO
0
0
0
EOP
The QUE contains at least one EOP.
17
16
RO
RO
Above
The Count value is above the threshold.
Below
The Count value is below the threshold.
15
X
Reserved
14:8
RW
0x00
Threshold
The number to compare to Count to determine the above and below
bits.
7
X
Reserved
6:0
RO
0x00
Count
The total number of BLOCKs assigned to this QUE.
Note: Only bits 31 and 30 are valid for static QUEs 2 and 5.
58
Rev. 1.2