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L9679P 数据表(PDF) 215 Page - STMicroelectronics |
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L9679P 数据表(HTML) 215 Page - STMicroelectronics |
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215 / 272 page  DocID029275 Rev 1 215/272 L9679P System voltage diagnostics 271 Proper scaling is necessary for various measurements. The divider ratios vary by measurement and are summarized by function in the table below. 1 0 0001 0 $42 Unused - 1 0 0001 1 $43 Unused - 1 0 0010 0 $44 Unused - 1 0 0010 1 $45 Unused - 1 0 0011 0 $46 SF0 pin voltage SF0 1 0 0011 1 $47 SF1 pin voltage SF1 1 0 0100 0 $48 SF2 pin voltage SF2 1 0 0100 1 $49 SF3 pin voltage SF3 1 0 0101 0 $4A SF4 pin voltage SF4 1 0 0101 1 $4B SF5 pin voltage SF5 1 0 0110 0 $4C SF6 pin voltage SF6 1 0 0110 1 $4D SF7 pin voltage SF7 1 0 0111 0 $4E 1 0 0111 1 $4F 1 0 1000 0 $50 1 0 1000 1 $51 1. The DC sensor resistance measurement can only be addressed through DIAGCRTL_A command. Results are available through DIAGCTRL_A and DIAGCTRL_B, where ADCRES_A will contain DCSI and ADCRES_B will contain DCSV. 2. Valid only for ADCREQ_x field of MISO response when ESR measure results are available. Table 18. Diagnostics control register (DIAGCTRLx) (continued) ADC Request (ADCREQx) Voltage Measurement Selection ADC Results (ADCRESx) Bit[6:0] Hex Bit[9:0] Table 19. Diagnostics divider ratios Measurements Divider Ratio 15:1 10:1 7:1 4:1 1:1 VER X ERBOOST X VSF X SSxy X SFx X GPODx X GPOSx X SYNCBOOST X VIN X |
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