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4 null event – Intel NETWORK PROCESSOR IXP2800 User Manual

Page 387

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Hardware Reference Manual

387

Intel

®

IXP2800 Network Processor

Performance Monitor Unit

11.4.4

Null Event

Not an actual event. When used as an increment or decrement event, no action takes place. When

used as a Command Trigger, it causes the command to be triggered immediately after the command

register is written to by the software. Also called False Event. Not reserved.

Intel XScale

®

core

000 100

0111

Intel XScale

®

core

PCI

000 101

1000

PCI

ME Cluster 0 Group

ME07
ME06
ME05
ME04
ME03
ME02
ME01
ME00

100 111

100 110
100 101
100 100
100 011
100 010
100 001
100 000

1001

(MEC0)

one and only one will be

selected from same group

ME Channel 0
ME00
ME01
ME02
ME03
ME04
ME05
ME06
ME07

ME Cluster 1 Group

ME17
ME16
ME15
ME14
ME13
ME12

ME11

ME10

110 111

110 110

110 101
110 100

110 011

110 010
110 001
110 000

1010

(MEC1)

one and only one will be

selected from same group

ME Channel 1
ME10
ME11
ME12
ME13
ME14
ME15
ME16
ME17

1011-1111

Reserved

Table 153. PMU Design Unit Selection (Sheet 2 of 2)

Target Device

Target ID

PMU Design Group Block #

Description