zl50409 Zarlink Semiconductor, zl50409 Datasheet - Page 85

• Manufacturer Part Number: zl50409
• Description: Managed 9-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

12.3.4.9
INTP_MASK1 CPU Address:h311 (Ports 2,3)
INTP_MASK2 CPU Address:h312 (Ports 4,5)
INTP_MASK3 CPU Address:h313 (Ports 6,7)
INTP_MASK4 CPU Address:h314 (Port CPU,MMAC)
12.3.4.10
CPU Address:h323
Accessed by CPU (RW)
Select which receive queue is being used by the CPU port.
Note: Strict priority applies between different selected queues (UQ3>UQ2>UQ1>UQ0>MQ3>MQ2>MQ1>MQ0).
12.3.4.11
CPU Address:h324
Accessed by CPU (RO)
CPU receive queue status
Bits [3:0]:
Bits [7:4]:
INTP_MASKn – Interrupt Mask for MAC Ports 2~9 Registers
RQSS – Receive Queue Status
RQS – Receive Queue Select
Bit [0]:
Bit [1]:
Bit [2]:
Bit [3]:
Bit [4]:
Bit [5]:
Bit [6]:
Bit [7]:
Unicast Queue 3 to 0 not empty
0: Empty
1: Not Empty
Multicast Queue 3 to 0 not empty
Select Queue 0
0: Not selected (Default)
1: Selected
Select Queue 1
Select Queue 2
Select Queue 3
Select Multicast Queue 0
Select Multicast Queue 1
Select Multicast Queue 2
Select Multicast Queue 3
Zarlink Semiconductor Inc.
ZL50409
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Data Sheet