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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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L9908 Datasheet(PDF) 31 Page - STMicroelectronics |
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L9908 Datasheet(HTML) 31 Page - STMicroelectronics |
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31 / 152 page  Figure 13. Self-test mode state machine (NORMAL MODE) Note: Self-Test procedure shall be activated only when the L9908 is supplied within its Functional Operating Range otherwise the self-check may fail. Two SPI readable flags are present in the register GEN_STATUS1 to read-back the BIST state machine activation status according to the following table: Table 22. Self-test procedure status bits SELF_TEST_STATUS1 SELF_TEST _STATUS0 Description 0 0 SELF TEST stop 0 1 SELF TEST running 1 0 SELF TEST finished with NO Failure 1 1 SELF TEST finished with Failure The self-test mode is left when procedure ends or after the Self-Test Time-out expiration: after accessing self-test mode a timeout is started, when the timeout expires, it is aborted. Note: All parameters are guaranteed and tested in the voltage ranges reported in Table 5 unless otherwise specified. Where not specified the parametrical operating range equals the functional operating range. Table 23. Self-test timings and timeout Symbol Parameter Min Typ Max Unit Notes T_hwsc Self-Test procedure duration 0.65 - 0.75 ms Not subject to production test L9908 Functional description DS13546 - Rev 5 page 31/152 |
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