Local-Can; Usb; Apix - BMW F48 Technical Training Manual

F48￿General￿Vehicle￿Electronics
1.￿Vehicle￿Electrical￿System
1.3.2.￿Local-CAN
With￿corresponding￿optional￿equipment,￿the￿Local￿Controller￿Area￿Network￿connects￿the￿optional
equipment￿system￿(SAS)￿with￿the￿control￿unit￿for￿the￿camera-based￿driver￿support￿systems￿(KAFAS).
The￿Local￿Controller￿Area￿Network￿has￿a￿data￿transfer￿rate￿of￿500 kBit/s.
1.3.3.￿USB
Depending￿on￿the￿equipment,￿the￿following￿USB￿connections￿are￿possible:
• from￿the￿headunit￿to￿the￿Telematic￿Communication￿Box￿(TCB)
• from￿the￿headunit￿to￿the￿telephone￿base￿plate
• from￿the￿headunit￿to￿the￿USB￿port
1.3.4.￿APIX
The￿central￿information￿display￿(CID)￿and￿the￿Head‐Up￿Display￿(HUD)￿in￿the￿F48￿are￿not￿connected￿to
a￿vehicle￿data￿bus.￿Both￿control￿units￿are￿connected￿directly￿to￿the￿headunit￿via￿an￿APIX￿interface￿or
the￿instrument￿cluster￿(KOMBI).￿APIX￿(Automotive￿Pixel￿Link)￿is￿a￿bit-serial￿data￿transfer￿system.

APIX

Index
1
2
3
4
14
Explanation
APIX￿transmitter
Message￿to￿be￿sent￿(max.￿1 Gbit/s)
APIX￿receiver
Confirmation￿message￿(62.5 Mbit/s)