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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) 37 Page - STMicroelectronics |
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L9908 Datasheet(HTML) 37 Page - STMicroelectronics |
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37 / 152 page  5.6.2.2 Auto-retry faults When an auto-retry fault is detected the related SPI flag is set to ‘1’, the IC ERR bits in SPI FRAME are set to ‘11’ and the FS_FLAG is asserted low. Disable logic reacts disabling all the three half bridges in a tristate mode so that VGHS_n-VSHS_n = 0 V and VGLS_n-VSLSn = 0 V [n = 1, 2, 3]. State machine remains in NORMAL mode (SPI configuration bit HBn_DIS remains set as previously configured). Safe condition is left when all the following conditions are met in the following sequence: 1. Autoretry fault is removed; 2. Autoretry fault flag is cleared on read (action required by Application SW) 3. SPI bit HBn_ACK [n = 1,2,3] is set ‘0’ and then set back to ‘1’ (action required by Application SW). Figure 17. Auto-retry faults - Transient fault timing diagram L9908 Functional description DS13546 - Rev 5 page 37/152 |
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