Texas Instruments AM335 Series Design Guide

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SPRAC74A–February 2017–Revised March 2017
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AM335x Low Power Design Guide
4.4.2 IPerf
Device Tree Name Ethernet SGX
am335x-gp-evm-powersave.dtb Yes No
AM335x EVM is configured as client UDP, PC as UDP server transmitting 100 Mbps. AM335x is able to
handling 100 Mbps at MPU OPP50.
Table 12. Optimized Network Load Power Consumption
Power Rail Voltage (V)
MPU OPP50
(300 MHz)
MPU OPP100
(600 MHz)
MPU OPP120
(720 MHz)
MPU OPP
Turbo
(800 MHz)
MPU OPP Nitro
(1000 MHz)
Power (mW) Power (mW) Power (mW) Power (mW) Power (mW)
vdd_core_power 1.1 173.22 174.35 175.01 174.73 175.04
vdd_mpu_power DVFS (0.95 -
1.325)
81.75 201.77 269.82 321.49 419.29
1.8V I/O 1.8 35.87 38.33 39.29 39.89 41.88
3.3V I/O 3.3 55.76 78.62 78.86 78.62 78.82
SoC Power without DDR3 372.84 493.08 562.99 614.72 715.02
vdds_mem 1.5 136.62 143.73 145.76 147.08 146.33
vddsddrmem 1.5 94.47 94.97 94.41 92.18 92.42
DDR3 Total Power (Includes VTT) 231.08 240.17 240.17 239.26 238.75
Total Power (SoC + DDR3) with
VTT
603.92 730.78 803.17 853.98 953.77
Using DDR3L data sourced from the BeagleBone Black, the power consumption of a VTT-less DDR3L
system can be approximated. VDCDC1 includes both the DDR3L memory power as well as the EMIF
interface on the AM335x. SoC power from AM335x GP EVM data summarized in Table 12.
Power Rail Voltage (V)
MPU OPP50
(300 MHz)
MPU OPP100
(600 MHz)
MPU OPP120
(720 MHz)
MPU OPP
Turbo
(800 MHz)
MPU OPP Nitro
(1000 MHz)
Power (mW) Power (mW) Power (mW) Power (mW) Power (mW)
DCDC1
(DDR+I/O)
1.35 52.29 53.12 53.15 52.84 52.20
SoC Power 372.84 492.08 562.99 614.72 715.02
Total Power (SoC + DDR3L)
without VTT
425.13 545.20 616.14 667.56 767.22

Texas Instruments AM335 Series Specifications

General

Brand	Texas Instruments
Model	AM335 Series
Category	Computer Hardware
Language	English