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L9945 データシート(PDF) 110 Page - STMicroelectronics |
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L9945 データシート(HTML) 110 Page - STMicroelectronics |
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110 / 151 page  [6] N_POR_LATCH: Shows if a POR_VDD5 on the int. 5V supply for channel occurred since last read out 0: No POR on VDD5 detected (state after readout) Reset: X Reset Condition: Cleared: Read out 1: POR on VDD5 detected (state after event) Reset: X Reset Condition: Set to default: POR [5] NRES_LATCH: Shows if NRES was applied since last readout bit set to 1 by NRES input is LOW 0: No NRES detected 1: NRES detected Reset: X Reset Condition: Read out POR, NRES [4] VCP_UV_STATE: Returns the output status of the VGBHI undervoltage comparator 0: VPS > VVPS_UV outputs enabled 1: VPS < VVPS_UV outputs disabled Reset: 0 Reset Condition: - [3] VCP_UV_LATCH: Returns if a VCP_UV was detected since last read out 0: No VCP_UV detected 1: VCP_UV detected Reset: 0 Reset Condition: Read out POR, NRES [2] VPS_STATE: Feedback of the voltage at the VPS pin: if VPS pin smaller VVPS_UV the external MOSFETs are disabled 0: VPS > VVPS_UV outputs enabled 1: VPS < VVPS_UV outputs disabled Reset: 0 Reset Condition: - [1] VPS_LATCH: Returns if a low VPS voltage was detected since last read out 0: No VPS low detected 1: VPS low detected Reset: 0 Reset Condition: Read out POR, NRES [0] PARITY: Parity bit, based on even parity calculation 0: If the number of 1 is odd 1: If the number of 1 is even Reset: 0 Reset Condition: - L9945 SPI MOSI/MISO list DS12275 - Rev 8 page 110/151 |
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