iMX6 TinyRex Memory Calibration

Disclaimer of caution

This procedure is intended for manufacturing use only and should be never applied for shipped iMX6 TinyRex Modules.

Description

Memory calibration procedure consists of following steps:

• Short BOOT_MODE jumper on iMX6 TinyRex Base Board
• Connect USB_OTG port to host PC utilizing microUSB-USB cable
• Power on iMX6 TinyRex Development kit
• Execute DDR Stress Tester at host PC using command line
• Configure DDR Stress Tester and calibrate memory
• Remove BOOT_MODE jumper
• Power off iMX6 TinyRex Development kit

Requirements

• micro USB cable
• 5V 2A Power supply
• iMX6 TinyRex Module and Base Board
• PC controlling the test
• DDR Stress Tester 1.0.3 application
• DDR Stress Tester 2.52 application

Calibration

Stress tester v2.52 (Ultra)

• 4GB RAM - DDR_Stress_Tester_V2.52_Imx6Rex/script/voipac/imx6qp_tinyrex_ultra_MT41K512M16HA-125.inc
• 2GB RAM - DDR_Stress_Tester_V2.52_Imx6Rex/script/voipac/imx6qp_tinyrex_ultra_MT41K256M16HA-125.inc

Stress tester v1.0.3 (Max, Pro, Basic, Lite)

DDR_Stress_Tester.exe -t mx6x -df scripts\MX6_series_boards\Imx6TinyRex\imx6s_tinyrex_MT41J64M16JT-15E.inc
DDR_Stress_Tester.exe -t mx6x -df scripts\MX6_series_boards\Imx6TinyRex\imx6s_tinyrex_MT41K128M16JT-125.inc
DDR_Stress_Tester.exe -t mx6x -df scripts\MX6_series_boards\Imx6TinyRex\imx6d_tinyrex_MT41K128M16JT-125.inc
DDR_Stress_Tester.exe -t mx6x -df scripts\MX6_series_boards\Imx6TinyRex\imx6q_tinyrex_MT41K256M16HA-125.inc

Example of operation