SDAA019 October   2025 AM62L

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Active Power Consumption Summary
  5. 2Low Power Consumption Summary
  6. 3Introduction
    1. 3.1 Testing Conditions and Parameters
    2. 3.2 Starter Kit EVM Information
      1. 3.2.1 Starter Kit EVM Power Rails
  7. 4Power Measurement Data
    1. 4.1 Low Power Modes
      1. 4.1.1 DeepSleep
      2. 4.1.2 RTC Only Plus DDR
      3. 4.1.3 RTC Only
    2. 4.2 Core
      1. 4.2.1 Dhrystone
      2. 4.2.2 Whetstone
      3. 4.2.3 Stress-ng
      4. 4.2.4 CoreMark-Pro
    3. 4.3 Memory and Data Storage
      1. 4.3.1 Stream
      2. 4.3.2 Memtester
      3. 4.3.3 eMMC Read & Write
    4. 4.4 Networking & Cryptography
      1. 4.4.1 OpenSSL
      2. 4.4.2 Ethernet Throughput
    5. 4.5 Application Demos
      1. 4.5.1 LVGL Demo
      2. 4.5.2 Audio Playback Demo
  8. 5References
  9. 6Appendix
    1. 6.1 How to Change LPDDR4 Data Rate
    2. 6.2 How to Measure On-Die Temperature

4.2.3 Stress-ng

N-Core indicates how many threads of Stress-ng are being ran concurrently. Each thread is ran on one A53 core.

Linux Commands to run Stress-ng follow this format:

root@am62lxx-evm:~# stress-ng --cpu <# of Cores> -t <time in minutes>m

1-Core at 1250MHz

2-Core at 1250MHz

Rail Name

Rail Voltage

Power (mW)

VDD_CORE

0.75V

314.82

382.06

SOC_DVDD_1V8

1.8V

4.97

5.18

SOC_DVDD_3V3

3.3V

2.14

2.14

VDDA_1V8

1.8V

20.83

20.83

VDD_LPDDR4

1.1V

64.53

63.31

VDD_RTC

0.75V

0.03

0.03

VDD_RTC_1V8

1.8V

0.01

0.01

Total Power

407.35

473.57

Die Temp (°C)

41°C

42°C