STN11xx PowerSave
Table of Contents
1.0
PowerSave Functionality ..............................................................................................................................3
1.1
Control Modes .............................................................................................................................................3
1.1.1
Native PowerSave Mode.........................................................................................................................3
1.1.2
ELM327 Low Power Mode ......................................................................................................................3
1.2
Sleep Triggers .............................................................................................................................................3
1.2.1
STSLEEP and ATLP commands ............................................................................................................3
1.2.2
UART Inactivity........................................................................................................................................4
1.2.3
External SLEEP Input .............................................................................................................................4
1.2.4
Voltage Level Sleep ................................................................................................................................4
1.3
Wakeup Triggers .........................................................................................................................................4
1.3.1
UART Rx Pulse Wakeup.........................................................................................................................5
1.3.2
External SLEEP Input Wakeup ...............................................................................................................5
1.3.3
Voltage Level Wakeup ............................................................................................................................5
1.3.4
Voltage Change Wakeup ........................................................................................................................5
1.4
Voltage Trigger Considerations...................................................................................................................5
1.5
External Power Control Output....................................................................................................................6
1.6
Device Specific Details ................................................................................................................................6
1.6.1
OBDLink Hardware Rev 1.x ....................................................................................................................6
1.6.2
OBDLink Hardware Rev 2.0 – 2.4...........................................................................................................6
1.6.3
OBDLink Hardware Rev 2.5 and Above .................................................................................................7
1.6.4
OBDLink S...............................................................................................................................................7
1.6.5
microOBD 200.........................................................................................................................................7
1.6.6
STN1110 .................................................................................................................................................7
1.7
Trigger Summary.........................................................................................................................................8
2.0
PowerSave ST Commands............................................................................................................................9
2.1
Command Summary....................................................................................................................................9
2.2
Command Descriptions ...............................................................................................................................9
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