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CHAPTER 2 DEPENDENCE FUNCTIONS
2.2.1.5 Timer Minimum Measurement Unit
The timer minimum measurement unit affects the sequencer, the emulation timer and the
performance measurement timer.
■ Setting Timer Minimum Measurement Unit
Choose either 1 μs or 100 ns as the timer minimum measurement unit for the emulator for measuring time.
The minimum measurement unit for the following timers is changed depending on this setup.
• Timer values of sequencer (timer conditions at each level)
• Emulation timer
• Performance measurement timer
Table 2.2-3 shows the maximum measurement time length of each timer when 1 μs or 100 ns is selected as
the minimum measurement unit.
When the minimum measurement unit is changed, the measurement values of each timer are cleared as well.
The default setting is 1 μs.
Use the following commands to control timers.
SET TIMERSCALE : Sets minimum measurement unit for timers
SHOW TIMERSCALE : Displays status of minimum measurement unit setting for timers
[Example]
>SET TIMERSCALE/100N
>SHOW TIMERSCALE
Timer scale : 100ns
>
Table 2.2-3 Maximum Measurement Time Length of Each Timer
1 μs selected 100 ns selected
Sequencer timer About 16 seconds About 1.6 seconds
Emulation timer About 70 minutes About 7 minutes
Performance measurement timer About 70 minutes About 7 minutes