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LTC2972 数据表(PDF) 68 Page - Linear Technology |
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LTC2972 数据表(HTML) 68 Page - Linear Technology |
68 / 112 page LTC2972 68 2972fa For more information www.linear.com/LTC2972 MFR_FAULTB0_RESPONSE and MFR_FAULTB1_RESPONSE Data Contents BIT(S) SYMBOL OPERATION b[7:2] Reserved Read only, always returns 000000b. b[1] Mfr_faultb0_response_chan1, Mfr_faultb1_response_chan1 Channel 1 response. 0: The channel continues operation without interruption 1: The channel shuts down if the corresponding FAULTB pin is still asserted after 10µs. When the FAULTB pin subsequently de-asserts, the channel turns back on, honoring TON_DELAY and TON_RISE settings. b[0] Mfr_faultb0_response_chan0, Mfr_faultb1_response_chan0 Channel 0 response. 0: The channel continues operation without interruption 1: The channel shuts down if the corresponding FAULTB pin is still asserted after 10µs. When the FAULTB pin subsequently de-asserts, the channel turns back on, honoring TON_DELAY and TON_RISE settings. FAULT WARNING AND STATUS COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED FORMAT UNITS EEPROM DEFAULT VALUE REF PAGE CLEAR_FAULTS 0x03 Clear any fault bits that have been set. Send Byte Y NA 68 STATUS_BYTE 0x78 One byte summary of the unit’s fault condition. R Byte Y Reg NA 69 STATUS_WORD 0x79 Two byte summary of the unit’s fault condition. R Word Y Reg NA 69 STATUS_VOUT 0x7A Output voltage fault and warning status. R Byte Y Reg NA 70 STATUS_IOUT 0x7B Output current fault and warning status. R Byte Y Reg NA 70 STATUS_INPUT 0x7C Input supply fault and warning status. R Byte N Reg NA <OV> STATUS_TEMPERATURE 0x7D External temperature fault and warning status for READ_TEMPERATURE_1. R Byte Y Reg NA 71 STATUS_CML 0x7E Communication and memory fault and warning status. R Byte N Reg NA 71 STATUS_MFR_SPECIFIC 0x80 Manufacturer specific fault and state information. R Byte Y Reg NA 72 MFR_PADS 0xE5 Current state of selected digital I/O pads. R/W Word N Reg NA 72 MFR_COMMON 0xEF Manufacturer status bits that are common across multiple ADI chips. R Byte N Reg NA 73 MFR_FIRST_FAULT 0xB6 First fault information R Word N Reg 74 MFR_STATUS_2 0xB7 Manufacturer Specific Status R Word Y Reg NA 73 CLEAR_FAULTS The CLEAR_FAULTS command is used to clear status bits that have been set. This command clears all fault and warn- ing bits in all unpaged status registers, and paged status registers selected by the current PAGE setting. At the same time, the device negates (clears, releases) its contribution to ALERTB. The CLEAR_FAULTS command does not cause a unit that has latched off for a fault condition to restart. See Clearing Latched Faults for more information. If the fault is present after the fault is cleared, the fault status bit will be set again and the host notified by the usual means. Note: this command responds to the global page command. (PAGE=0xFF) PMBus COMMAND DESCRIPTION |
类似零件编号 - LTC2972 |
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类似说明 - LTC2972 |
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