
VIPER Technical Manual | Power and power management |
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| Current saving from 5V when processor core is in power saving mode | |||||
Processor | Vcore (V) | 400MHz | 300MHz | 200MHz | 100MHz | Asleep | |
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| CCCR=0x241 | CCCR=0x321 | CCCR=0x221 | CCCR=0x121 | ||
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Active | 1.29 | - | - | - | - | ||
Active | 1.1 | - | - | - | - | ||
Active | 1.06 | - | - | - | |||
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Idle | 1.29 | 9mA (325mA) | - | - | - | - | |
[Win CE default] | |||||||
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Idle | 1.1 | - | 19mA (316mA) | - | - | - | |
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| 29mA (308mA) |
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Idle | 1.06 | - | - | 19mA (315mA) | [Redboot / | - | |
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| VxWorks default] |
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Asleep | 0 | - | - | - | - | 54mA | |
(271mA) | |||||||
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Current figures when the microprocessor is active were taken with the following load conditions: calculating checksums of two files (first file: 1.1MB and second file: 0.5MB), and copying two 256kB files.
When the microprocessor is asleep the PC/104 and AC97’ Codec clocks are shutdown.
© 2007 Eurotech Ltd Issue E | 76 |