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L9788 데이터시트(PDF) 224 Page - STMicroelectronics |
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L9788 데이터시트(HTML) 224 Page - STMicroelectronics |
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224 / 264 page ![]() Micro second channel (MSC) interface L9788 224/264 DS12308 Rev 4 18.6.6 Upstream Bit Map Read6 (DRIVER DIAGNOSIS) FRAME[1:4]: Driver diagnosis for driver STA: driver diagnosis: error in driver status The driver status is detected by reading the STG comparator in on and off, it should be aligned with command (msc command and enabling). 0: aligned, no error 1: not aligned, error STG/STB: driver diagnosis: short to ground/battery 0: no fault (default) 1: for low-side and igniter drivers: short to ground fault for high-side driver: short to battery fault OPL: driver diagnosis: open load 0: no fault (default) 1: open load fault OVC: driver diagnosis: over current 0: no fault (default) 1: over current faul Table 98. MSC Interface Upstream Bit Map Read6 ADDRESS DATA A0 A1 A2 A3 D0 D1 D2 D3 D4 D5 D6 D7 FRAME1 0 0 0 0 DIAG INJ1 DIAG INJ2 STA STG OPL OVC STA STG OPL OVC FRAME2 0 0 1 0 DIAG INJ3 DIAG INJ4 STA STG OPL OVC STA STG OPL OVC FRAME3 0 0 0 1 DIAG O2H1 STA STG OPL OVC FRAME4 0 0 1 1 DIAG O2H2 STA STG OPL OVC source logic on VB_IN (main logic) access clear-on-read Clear on Read |
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