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L99MH98 Datasheet(PDF) 61 Page - STMicroelectronics |
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L99MH98 Datasheet(HTML) 61 Page - STMicroelectronics |
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61 / 147 page  Bit Name Description Version ID to identify the silicon version 5 REVISION_ID [1] Revision ID bit [1] Version ID to identify the silicon version 4 REVISION_ID [0] Revision ID bit [0] Version ID to identify the silicon version 3 DEVICE_ID [3] Device ID bit [3] Device ID to identify the L99MH98 device 2 DEVICE_ID [2] Device ID bit [2] Device ID to identify the L99MH98 device 1 DEVICE_ID [1] Device ID bit [1] Device ID to identify the L99MH98 device 0 DEVICE_ID [0] Device ID bit [0] Device ID to identify the L99MH98 device Table 39. DSR1 (0x02) MSB Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 0 (RO) 0 (CR) 0 (CR) 0 (CR) 0 (CR) 0 (CR) 0 (RO) RES VDHOV VDHUV VDDOV TW TSD DIAGCR Reserved VDH overvoltage flag VUH overvoltage flag VDD overvoltage flag Thermal warning flag Thermal shutdown flag DIAGN flag Table 40. DSR1 (0x02) MSB description Bit Name Description 14 RES Reserved 13 VDHOV VDH overvoltage flag This flag is set and latched as soon as an overvoltage is detected on VDH supply. It can be cleared by SPI only if the source of the fault is no longer present. Automatically cleared at first valid SPI communication frame 12 VDHUV VDH undervoltage flag This flag is set and latched as soon as an undervoltage is detected on VDH supply. It can be cleared by SPI only if the source of the fault is no longer present. Automatically cleared at first valid SPI communication frame 11 VDDOV VDD overvoltage fault flag This flag is set and latched as soon as an overvoltage is detected on VDD supply. It can be cleared by SPI only if the source of the fault is no longer present. Automatically cleared at first valid SPI communication frame 10 TW Thermal warning flag This flag is set and latched as soon as device junction temperature exceeds TW threshold for a time longer than the corresponding filter time. It can be cleared by SPI only if the source of the fault is no longer present. Automatically cleared at first valid SPI communication frame 9 TSD Thermal shutdown flag This flag is set and latched as soon as device junction temperature exceeds TSD threshold for a time longer than the corresponding filter time. It can be cleared by SPI only if the source of the fault is no longer present. Automatically cleared at first valid SPI communication frame 8 DIAGCR DIAGN flag This flag is set as soon as the DIAGN pin is activated. It is automatically cleared as soon as the DIAGN is de- activated L99MH98 SPI Registers DS14611 - Rev 3 page 61/147 |
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