3 incrementing by more than 1, Pmon – Intel CONTROLLERS 413808 User Manual

Page 736

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Intel

®

413808 and 413812—PMON Unit

Intel

®

413808 and 413812 I/O Controllers in TPER Mode

Developer’s Manual

October 2007

736

Order Number: 317805-001US

16.4.3

Incrementing By More Than 1

For scenarios where it is desired to increment a count by more than one on a single

clock tick, the

PMON

unit can be sent a “bit encoded” value. This allows the counters to

track an increment/decrement of up to 2

N-1

each clock tick, where N is the number of

counters available. For example, with 8 counters we could track an

increment/decrement of up to 128 (2

7

) each clock.

This would be done by assigning an array of events to represent a particular value to

count. The counters would be coordinated to mimic a single counter which by asserting

the appropriate event signals cause the set of counters to be incremented and/or

decremented by the in such a way that post processing of the counter values.

Figure 112. Block Diagram & Waveforms of Time Based Sampling Example

B6302-01

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