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AS8515

Datasheet - Contents

Contents

1 General Description .................................................................................................................................................................. 1

2 Key Features............................................................................................................................................................................. 1

3 Applications............................................................................................................................................................................... 1

4 Pin Assignments ....................................................................................................................................................................... 5

4.1 Pin Descriptions.................................................................................................................................................................................... 5

5 Absolute Maximum Ratings ......................................................................................................................................................

7

6 Electrical Characteristics...........................................................................................................................................................

8

6.1 Operating Conditions............................................................................................................................................................................ 8

6.2 DC/AC Characteristics for Digital Inputs and Outputs .......................................................................................................................... 8

6.3 System Specifications ........................................................................................................................................................................ 10

7 AS8515 Top Die Overview......................................................................................................................................................

11

7.1 Voltage Attenuator.............................................................................................................................................................................. 11

7.2 Voltage Regulators (LDO) .................................................................................................................................................................. 11

7.3 LIN Transceiver .................................................................................................................................................................................. 11

7.4 Temperature Monitor/Limiter............................................................................................................................................................... 11

7.5 VSUP Under-voltage Reset................................................................................................................................................................ 12

7.6 Reset .................................................................................................................................................................................................. 12

7.7 VCC Under-voltage Reset.................................................................................................................................................................. 12

7.8 Window Watchdog (WWD)................................................................................................................................................................. 13

7.9 Timeout Watchdog (TWD).................................................................................................................................................................. 13

7.10 Modes of Operation.......................................................................................................................................................................... 14

7.10.1 Normal Mode ........................................................................................................................................................................... 15

7.10.2 Standby Mode.......................................................................................................................................................................... 15

7.10.3 Temporary Shutdown Mode .................................................................................................................................................... 15

7.10.4 Thermal Shutdown Mode......................................................................................................................................................... 15

7.11 Initialization ....................................................................................................................................................................................... 16

7.12 Wake-up ........................................................................................................................................................................................... 17

7.12.1 Remote Wake-up Event........................................................................................................................................................... 17

7.13 LIN BUS Transceiver........................................................................................................................................................................ 18

7.13.1 Transmit Mode......................................................................................................................................................................... 18

7.13.2 Receive Mode.......................................................................................................................................................................... 18

7.14 Rx and Tx Interface .......................................................................................................................................................................... 19

7.14.1 Input Tx.................................................................................................................................................................................... 19

7.14.2 Output Rx................................................................................................................................................................................. 19

7.15 MODE Input EN................................................................................................................................................................................ 20

7.16 Top Die Block Specifications ............................................................................................................................................................ 21

7.16.1 Voltage Attenuator................................................................................................................................................................... 21

7.16.2 Voltage Regulator (LDO) ......................................................................................................................................................... 22

7.16.3 VCC Power-on-Reset .............................................................................................................................................................. 22

7.16.4 VSUP Power-on-Reset............................................................................................................................................................ 22

7.16.5 Window Watchdog Timer......................................................................................................................................................... 23

7.16.6 LIN Transceiver ....................................................................................................................................................................... 23

7.17 Timing Diagrams .............................................................................................................................................................................. 24