D i d o H a r d w a r e M a n u a l
v . 1 . 0 . 5
8.3.1
Set 1
Measurements have been performed on the following platform:
●
NAON SOM (DM8148 model)
●
carrier board: NAONEVB-Lite
●
System software: NELK 1.0.0
●
Power monitor: INA226 (reference U20 of [[NAONEVB-Lite]]
schematics).
●
ARM Cortex-A8 frequency: 600 MHz
●
SDRAM size: 512 MByte
●
SDRAM frequency: 400 MHz
●
HDVICP2 frequency: 306 MHz
8.3.2
Use cases
Checkpoint
Input
Voltage
Shunt
Voltage
Current
Power
Consumpion
Linux prompt
(M3 unloaded)
3266 mV
8 mV
779 mA
2550 mW
Linux prompt
(M3 loaded)
3261 mV
10 mV
1040 mA
3400 mW
cpuBurnA8 (M3
Loaded)
3258 mV
12 mV
1235 mA
3900 mW
decode &
display H264
1080p60 on
HDMI
3258 mV
12 mV
1219 mA
3975 mW
decode &
display H264
1
cpuBurnA8
3255 mV
14 mV
1352 mA
4450 mW
Additional notes and reference:
●
M3 Unloaded means that the two Cortex-M3 firmware has
not yet been started.
●
For decode/display test the sample application included in
the TI EZSDK has been used.
●
Cpuburn heavily uses Cortex-A8 and Neon to maximize
August, 2014
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