KSZ8795CLX
TABLE 4-8:
Address
ADVANCED CONTROL REGISTERS 160, 124 - 127 (CONTINUED)
Name
Description
Mode
Default
Register 125 (0x7D): Interrupt Mask Register
7 - 5
4
Reserved
N/A Don’t Change.
RO
000
0
PME
Interrupt
Mask
1 = Enable PME interrupt.
0 = Normal
R/W
3
2
1
0
Port 4
Interrupt
Mask
1 = Enable Port 4 interrupt.
0 = Normal
R/W
R/W
R/W
R/W
0
0
0
0
Port 3
Interrupt
Mask
1 = Enable Port 3 interrupt.
0 = Normal
Port 2
Interrupt
Mask
1 = Enable Port 2 interrupt.
0 = Normal
Port 1
Interrupt
Mask
1 = Enable Port 1 interrupt.
0 = Normal
Register 126 (0x7E): ACL Interrupt Status Register
7 - 5
4 - 0
Reserved
N/A Don’t Change.
RO
RO
000
ACL_INT_ ACL Interrupt Status, one bit per port
00000
STATUS
1 = ACL interrupt detected.
0 = No ACL interrupt detected.
Register 127 (0x7F): ACL Interrupt Control Register
7 - 5
4 - 0
Reserved
N/A Don’t Change.
RO
000
ACL_INT_ ACL Interrupt Enable, one bit per port
R/W
00000
ENABLE
1 = ACL interrupt enabled.
0 = ACL interrupt disabled.
Registers 128 and 129 can be used to map from 802.1p priority field 0 - 7 to the switch’s four priority queues 0 - 3. 0x3
is the highest priority queues as Priority 3 and 0x0 is the lowest priority queues as Priority 0.
TABLE 4-9:
Address
ADVANCED CONTROL REGISTERS 128 - 129
Name Description
Mode
Default
Register 128 (0x80): Global Control 12
7 - 6
5 - 4
3 - 2
1 - 0
Tag_0x3
Tag_0x2
Tag_0x1
Tag_0x0
IEEE 802.1p mapping. The value in this field is
used as the frame’s priority when its IEEE 802.1p
tag has a value of 0x3.
R/W
0x1
IEEE 802.1p mapping. The value in this field is
used as the frame’s priority when its IEEE 802.1p
tag has a value of 0x2.
R/W
R/W
R/W
0x1
0x0
0x0
IEEE 802.1p mapping. The value in this field is
used as the frame’s priority when its IEEE 802.1p
tag has a value of 0x1.
IEEE 802.1p mapping. The value in this field is
used as the frame’s priority when its IEEE 802.1p
tag has a value of 0x0.
Register 129 (0x81): Global Control 13
7 - 6
Tag_0x7
IEEE 802.1p mapping. The value in this field is
used as the frame’s priority when its IEEE 802.1p
tag has a value of 0x7.
R/W
0x3
DS00002112A-page 66
2016 Microchip Technology Inc.
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