Intel IXP42X 用户手册

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页码 568
Intel
®
 IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
September 2006
DM
Order Number: 252480-006US
385
Internal Bus Performance Monitoring Unit (IBPMU)—Intel
®
 IXP42X product line and IXC1100 
control plane processors
11:8
PSN
Indicates which of the Slaves on North AHB was previously accessed North AHB 
Masters:
0001 = SDRAM controller
0010 = AHB-AHB Bridge
0100 = (Reserved)
1000 = (Reserved)
7:4
PMS
Indicates which of the Masters on South AHB was previously accessing the 
South AHB:
0001 = Intel XScale processor
0010 = AHB-AHB Bridge
0100 = PCI
1000 = APB
3:0
PMN
Indicates which of the Master on North AHB was previously accessing the North 
AHB:
0001 = WAN/Voice NPE = NPE-A (IXP400 software Definition)
0010 = Ethernet NPE A = NPE-B (IXP400 software Definition)
0100 = Ethernet NPE B = NPE-C (IXP400 software Definition)
1000 = (Reserved)
Register
PSMR
 (Sheet 2 of 2)
Bits
Name
Description