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ADM1278 Datasheet(PDF) 49 Page - Analog Devices |
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ADM1278 Datasheet(HTML) 49 Page - Analog Devices |
49 / 61 page Data Sheet ADM1278 Rev. A | Page 49 of 61 Bits Bit Name Settings Description Reset Access 0 NONEABOVE_STATUS None of the above. This bit is live. 0x0 R 0 No other active status bit reported by any other status command. 1 Active status bits are waiting to be read by one or more status commands. STATUS WORD REGISTER Address: 0x79, Reset: 0x0000, Name: STATUS_WORD Provides status information for critical faults and all top-level status commands in the device. The lower byte is also returned by STATUS_BYTE. Table 25. Bit Descriptions for STATUS_WORD Bits Bit Name Settings Description Reset Access 15 VOUT_STATUS VOUT warning. This bit is live. 0x0 R 0 There are no active status bits to be read by the STATUS_VOUT register. 1 There are one or more active status bits to be read by STATUS_VOUT. 14 IOUT_STATUS IOUT fault or warning. This bit is live. 0x0 R 0 There are no active status bits to be read by the STATUS_IOUT register. 1 There are one or more active status bits to be read by the STATUS_IOUT register. 13 INPUT_STATUS Input warning. This bit is live. 0x0 R 0 There are no active status bits to be read by the STATUS_INPUT register. 1 There are one or more active status bits to be read by STATUS_INPUT. 12 MFR_STATUS Manufacture specific fault or warning. This bit is live. 0x0 R 0 There are no active status bits to be read by the STATUS_MFR_SPECIFIC register. 1 There are one or more active status bits to be read by STATUS_MFR_SPECIFIC register. 11 PGB_STATUS Power is not good. This bit is live. 0x0 R 0 Output power is good. The voltage on the PWGIN pin is above the threshold. 1 Output power is bad. The voltage on the PWGIN pin is below the threshold. [10:9] RESERVED 0x0 RESERVED 8 FET_HEALTH_FAULT FET health fault. This bit is latched. 0x0 R 0 No FET faults have been detected. 1 A fault condition has been detected on the FET. 7 RESERVED Always set to 0. 0x0 RESERVED 6 HOTSWAP_OFF Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R 5 RESERVED Always set to 0. 0x0 RESERVED 4 IOUT_OC_FAULT Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R 3 VIN_UV_FAULT Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R 2 TEMP_FAULT Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R 1 CML_FAULT Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R 0 NONEABOVE_STATUS Duplicate of corresponding bit in the STATUS_BYTE register. 0x0 R |
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