Actia TGU-R ACCESS, User Manual

Page: 23 / 37

P218703 ADt 001 M
B
© 2021 « Any reproduction of this document whether total or partial without the written consent of ACTIA Automotive is forbidden”
Page 23 sur 37
VII.9 L
EDS FUNCTIONALITY
TGU-R provides 2 LEDs interface visible on mechanical housing top side:

LED_0: Customer usage

LED_1: Product status feedback
Note: the behavior of LED_0 will be dependent of customer application configuration (ON/OFF or heard beat by default),
while LED_1 is managed by ACTIA BSP. See TGU-R ACCESS Host CPU API Specification
REF3 for more details on LED_0
management.
Find below LEDs chronograms:

Normal operation with customer application operating (if customer application not downloaded or not
operational, LED_0 will be OFF)
LED_0 (HCPU): Customer usage (on/off or Linux heartbeat)
LED_1 (CCPU): Product status feedback
(ON/BOOT/UPDATE/SHUTDOWN/FULL SHUTDOWN)