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

4.3.2 Memtester

The Linux command to run these tests follow this format:

root@am62lxx-evm:~# memtester 1G 1
Which allocates 1 Gigabyte of memory space to test and will execute for one loop.

LPDDR4 Data Rate

800MT/s

 1600MT/s
A53 Core Speed 2-Cores at 1250MHz
Rail Name

Rail Voltage

Power (mW)
VDD_CORE 0.75V 258.14 328.34
SOC_DVDD_1V8 1.8V 6.35 8.41
SOC_DVDD_3V3 3.3V 2.67 2.69
VDDA_1V8 1.8V 20.80 20.84
VDD_LPDDR4 1.1V 135.58 145.03
VDD_RTC 0.75V 0.02 0.03
VDD_RTC_1V8 1.8V 0.02 0.02
Total Power 423.58

505.36
Die Temp (°C) 43°C 45°C