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L9679P 数据表(PDF) 102 Page - STMicroelectronics |
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L9679P 数据表(HTML) 102 Page - STMicroelectronics |
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102 / 272 page  SPI interfaces L9679P 102/272 DocID029275 Rev 1 01 = ON 40 mA/ 8 mA current for channel selected in RES_MEAS_CHSEL, OFF on all other channels 10 = ON bypass current for channel selected in RES_MEAS_CHSEL, OFF ON all other channels 11 = ON ISRC 40mA or 8mA current for channel selected in RES_MEAS_CHSEL and connect the SRM Differential Amplifier to the other squib channel of the selected channel pair ISINK 0 0 0 Low Side current sink control (max 50 mA) Updated by SSM_RESET or SPI write 0 All channels OFF 1 ON for channel selected by RES_MEAS_CHSEL[3:0], OFF on all other channels VRCM[1:0] 00 00 00 Voltage Regulator Current Monitor control Updated by SSM_RESET or SPI write 00 VRCM not connected 01 VRCM connected to SFx of channel selected by LEAK_CHSEL[3:0] 10 VRCM connected to SRx of channel selected by LEAK_CHSEL[3:0] and pull down current of the same channel disabled 11 VRCM connected to SRx of channel selected by LEAK_CHSEL[3:0] and pull down current of the same channel enabled (ISINK and ISRC must be switched off) RES_MEAS_CHSEL[3:0] 0000 0000 0000 Squib Resistance Measurement Channel select - selects the channel and muxes for the resistance test, and the channel for HS driver test (full path fet test) activation Updated by SSM_RESET or SPI write 0000 Channel 0 0001 Channel 1 0010 Channel 2 0011 Channel 3 0100 Channel 4 0101 Channel 5 0110 Channel 6 0111 Channel 7 0100 - 1111 None Selected LEAK_CHSEL[3:0] 0000 0000 0000 Squib Leakage Measurement Channel select - selects the channel and muxes for the leakage test, and the channel for HS/LS FET test activation. Updated by SSM_RESET or SPI write 0000 Channel 0 |
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