Continental Automotive Systems Corporation 5WY8230 사용자 설명서

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3.  Function electrical description 
 
 
3.1.  SRX Operation Modes 
 
The SRX can operate in three different modes – RKE Mode, PASE Mode and Stand by Mode.  
Additionally the SRX has a Sleep Mode where the power consumption is reduced to a minimum. 
3.1.1.  RKE MODE 
 
In the RKE Mode the following functionalities are available: 
 
 
Parameter 
description 
RF data reception  
Be available  
Duty cycle 
Be operated ( PDWN_SMD & PDWN_KFSK) 
SRx –bus communication 
Be available 
Battery voltage observation 
Be observed 
RSSI measurement 
Be available only for SMD receiver needed 
Contact- cleaning 
Be available 
 
3.1.2.  PASE MODE 
 
In the PASE Mode the following functionalities are available: 
 
 
Parameter 
description 
RF-PASE data reception  
Be available  
Duty cycle 
Be operated ( PDWN_SMD & PDWN_KFSK) 
SRx –bus communication 
Be available for PASE reception results 
Battery voltage observation 
Be observed 
RSSI measurement 
Be available only for SMD receiver needed 
Contact- cleaning 
Be available 
 
 
3.1.3.  SLEEP MODE 
 
The Sleep Mode must be initiated by sending a request message via serial link. The SRX does not operate in 
the Sleep Mode. To leave the Sleep Mode the host module must send a wake-up message to the SRx. After 
the SRx was woken up from the Sleep Mode it will go into the Standby Mode for 500 ms. 
 
 
Parameter 
description 
RF-PASE data reception  
Not available  
Duty cycle 
Duty -off ( PDWN_SMD :Low / PDWN_KFSK:High) 
SRx –bus communication 
Be available  
Battery voltage observation 
Be observed 
RSSI measurement 
Not available only for SMD receiver needed 
Contact- cleaning 
Be available