ETAS ES910.3-A - Fig. 4-3 Operational States of the Power Supply (Simplified)

ES910.3-A - User’s Guide 27
ETAS Functional Description
• after data exchange at at least one FlexRay interface (with ES920.1 mod-
ule) or
• after detection of the FlexRay “Wake-Up Pattern” (with the ES920.1 mod-
ule) or
• after data exchange at at least one CAN interface (with ES921.1 module)
or
• on connection of the “Wake-Up Control” pin to operating voltage.
If data exchange ends at these interfaces or if the “Wake-Up Control” pin is no
longer connected to the operating voltage, the ES910.3-A switches back to
“Standby”.
Fig. 4-3 Operational States of the Power Supply (Simplified)
The following table is a list of possible ways of activating the ES910.3-A.
These interfaces can be configured in the web interface of the ES910.3-A (see
chapter 5.6.1 on page 60) and in the calibration software for the "Wake Up"
function.
Source of 
activating
Active Wake Up Event Sleep Condition
ON/AUTO switch Always „ON“ „AUTO“
PC Always Traffic No traffic
ECU Selectable Traffic No traffic
CAN1/LIN1 Selectable Traffic No traffic
CAN2/LIN2 Selectable Traffic No traffic
Pin „Wake Up
Control“
Selectable High Low
Extension Module
(Extension Slot)
Selectable Traffic No traffic
Extension Module
(Extension Slot)
Selectable ES920: Wakeup
Pattern
ES920:
no traffic
ON
OFF
STANDBY
Sleep
Wake Up
Power Connect Power Disconnect