AS8221
Data Sheet - Contents
8.12.9 Short Circuit between BP and BM (BP_BM)............................................................................................................................. 24
8.12.10 Over Temperature (OT).......................................................................................................................................................... 24
8.12.11 TxEN_BGE Timeout (TxEN_TO)............................................................................................................................................ 24
8.12.12 Error Flag (ERROR) ............................................................................................................................................................... 24
8.13 Status Flags Description....................................................................................................................................................................... 24
8.13.1 Local Wake Flag (LWAKE)....................................................................................................................................................... 24
8.13.2 Remote Wake Flag (RWAKE) .................................................................................................................................................. 24
8.13.3 Power on Flag (PWON)............................................................................................................................................................ 25
8.14 Error Flags and Status Flags Read-Out ............................................................................................................................................... 25
8.14.1 Error and Status Flag Bit Order ................................................................................................................................................ 25
8.15 Bus Driver............................................................................................................................................................................................. 26
8.15.1 Bus States ................................................................................................................................................................................ 26
8.16 Transceiver Timing ............................................................................................................................................................................... 27
8.17 Transmitter............................................................................................................................................................................................ 28
8.18 Receiver ............................................................................................................................................................................................... 30
8.18.1 Bus Activity and Idle Detection (only in NORMAL and RECEIVE-ONLY mode) ...................................................................... 30
8.18.2 Bus Data Detection (only in NORMAL and RECEIVE-ONLY mode)........................................................................................ 30
8.18.3 Receiver Test Signal.................................................................................................................................................................32
8.19 Test Circuits.......................................................................................................................................................................................... 33
9 Appendix.................................................................................................................................................................................... 34
9.1 FlexRay Functional Classes................................................................................................................................................................... 34
9.2 FlexRay Parameter Comparison ............................................................................................................................................................ 34
10 Package Drawings and Markings.......................................................................................................................................... 41
10.1 Revision History.................................................................................................................................................................................... 42
11 Ordering Information .............................................................................................................................................................. 43
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