11.1.10.2 System Power Consumption in Applicative Use Cases
Table 11-75 provides the processor power consumption in
the following conditions:
- fCPU_CLK = 800 MHz
- fMCK1 = 200 MHz
- fMCK2 = 533 MHz
- fMCK3 = 266 MHz
- fMCK4 = 400 MHz
- I & D caches are enabled.
- The external SDRAM memory is DDR3L.
- Use cases are run on Linux®.
- Current consumptions are measured according to the figure below. Note that the external component current consumptions are not counted.
- The ambient temperature is 25°C.
Use Case | Description |
---|---|
1 | Audio MP3 decoding and playback on I2S; MP3 file on USB mass storage |
2 | SAMA7G5 running as iPerf server |
3 | Running Bonnie++ on USB mass storage |
4 | SAMA7G5 downloads a file from GMAC0 and copies this file to USB mass storage |
5 | Streaming camera on Ethernet (image format RAW8, 1080p @ 30fps) |
Use Case |
VDDCORE 1.15V |
VDDCPU 1.15V |
VDDIODDR 1.35V |
VDDIN33 VDDUTMII 3.3V |
Total | Unit |
---|---|---|---|---|---|---|
1 | 286 | 59 | 51 | 122 | 517 | mW |
2 | 324 | 152 | 107 | 158 | 742 | mW |
3 | 315 | 183 | 67 | 125 | 690 | mW |
4 | 320 | 149 | 98 | 121 | 688 | mW |
5 | 325 | 131 | 84 | 137 | 677 | mW |