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L9788 Datasheet(PDF) 234 Page - STMicroelectronics |
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L9788 Datasheet(HTML) 234 Page - STMicroelectronics |
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234 / 264 page  Micro second channel (MSC) interface L9788 234/264 DS12308 Rev 4 18.6.13 Upstream Bit Map Read13 (SUPPLY UV/OV) FRAME[1:4]: SUPPLY OVERVOLTAGE/UNDERVOLTAGE 0: no fault (default) 1: overvoltage/undervoltage detected on the corresponding pin VB_STBY_UV is functional only if VB_STBY is present, if VB_STBY is totally disconnected no diagnosis related to VB_STBY will be available (bit latched in wut logic). GND_DIG_LOSS comparator for digital ground level 0: the digital ground supply is connected to ground. 1: the digital ground supply is disconnected from ground. TRIM_VALID Table 105. MSC Interface Upstream Bit Map Read13 ADDRESS DATA A0 A1 A2 A3 D0 D1 D2 D3 D4 D5 D6 D7 FRAME 1 00 0 0 SUPPLY OVERVOLTAGE/UNDERVOLTAGE V3V3A_ UV V3V3A_ OV V3V3D_ UV V3V3D_ OV VB_IN_ UV VB_IN_ OV 1 VB_IN_ OV 2 FRAME 2 00 1 0 SUPPLY OVERVOLTAGE/UNDERVOLTAGE VB_STB Y_UV(1) GND_ DIG_ LOSS VDDIO_ UV VDD5_ UV VDD5_ OV VPRE_ UV VPRE_ OV FRAME 3 00 0 1 SUPPLY OVERVOLTAGE/UNDERVOLTAGE WAKE_ UP_CAN _DET_ AUTO TRIM_ VALID TRK_ STB[1] TRK_ STB[2] TRK_ STB[3] TRK_ OVC[1] TRK_ OVC[2] TRK_ OVC [3] FRAME 4 00 1 1 SUPPLY OVERVOLTAGE/UNDERVOLTAGE EXT_ TRK_UV INT_ TRK_ UV[1] INT_ TRK_ UV[2] INT _TRK_ UV[3] EXT_ TRK_OV INT_ TRK_OV [1] INT_ TRK_O V[2] INT_ TRK_ OV[3] source FRAME[1]D[0:7] FRAME[2]D[1:7] FRAME[3]D[0:7] FRAME[4]D[0:7] logic on VB_IN (main logic) FRAME[2]D[0] logic on VB_STBY (Wake Up Timer logic) access FRAME[3]D[1] read FRAME[1]D[0:7] FRAME[2]D[0:7] FRAME[3]D[0] FRAME[3]D[2:7] FRAME[4]D[0:7] clear-on-read 1. Bit in satellite logic. Clear on Read |
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