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Intel
®
IXP42X product line and IXC1100 control plane processors—Internal Bus Performance
Monitoring Unit (IBPMU)
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
DM September 2006
384 Order Number: 252480-006US
11.3.9 Programmable Event Counters (PEC7)
11.3.10 Previous Master/Slave Register (PSMR)
Register Name: PEC7
Hex Offset Address: 0xC800 2020 Reset Hex Value: 0x00000000
Register
Description:
Programmable Event Counter
Access: Read.
31 27 26 0
(Reserved) PEC7
Register
PEC7
Bits Name Description
31:27 (Reserved). Always 0.
26:0 PEC7 This is a 27-bit, read-only counter register.
Register Name: PSMR
Hex Offset Address: 0xC800 2024 Reset Hex Value: 0x00000000
Register
Description:
Previous Master/Slave Register
Access: Read.
31 18 17 12 11 8 7 4 3 0
(Reserved) PSS PSN PMS PMN
Register
PSMR (Sheet 1 of 2)
Bits Name Description
31:18 (Reserved)
17:12 PSS
Indicates which of the Slaves on South AHB was previously accessed by South
AHB Masters:
000001 = Expansion Bus
000010 = SDRAM controller
000100 = PCI
001000 = Queue Manager
010000 = AHB-APB Bridge
100000 = (Reserved)