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

Dhrystone

N-Core indicates how many instances of Dhrystone are being ran concurrently. Each instance is ran on one A53 core.

The Linux Commands to run Dhrystone:

1-Core Dhrystone

root@am62lxx-evm:~# dhrystone 400000000
2-Core Dhrystone

root@am62lxx-evm:~# taskset 0x1 dhrystone 400000000 &
root@am62lxx-evm:~# taskset 0x2 dhrystone 400000000 &

1-Core at 833MHz

1-Core at 1250MHz

2-Core at 833MHz

2-Core at 1250MHz

Rail Name

Rail Voltage

Power (mW)

VDD_CORE

0.75V

260.58

290.06

312.17

367.12

SOC_DVDD_1V8

1.8V

4.57

4.58

4.53

4.56

SOC_DVDD_3V3

3.3V

2.68

2.67

2.67

2.67

VDDA_1V8

1.8V

20.81

20.79

20.81

20.81

VDD_LPDDR4

1.1V

55.85

55.82

55.60

55.57

VDD_RTC

0.75V

0.02

0.02

0.03

0.02

VDD_RTC_1V8

1.8V

0.02

0.02

0.02

0.02

Total Power

344.53

373.96

395.84

450.78

Die Temp (°C) 43°C 43°C 43°C 43°C