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LTM4686BEVPBF 数据表(PDF) 113 Page - Analog Devices |
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LTM4686BEVPBF 数据表(HTML) 113 Page - Analog Devices |
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113 / 130 page  LTM4686B 113 Rev. 0 For more information www.analog.com APPENDIX C: PMBUS COMMAND DETAILS This command has one data byte. STATUS_TEMPERATURE The STATUS_TEMPERATURE command returns one byte of sensed power stage temperature status information. STATUS_TEMPERATURE Message Contents: BIT MEANING 7 External overtemperature fault. 6 External overtemperature warning. 5 Not supported (LTM4686B returns 0). 4 External undertemperature fault. 3:0 Not supported (LTM4686B returns 0). ALERT can be asserted if any supported bits are set. Any supported bit may be cleared by writing a 1 to that bit position in STATUS_TEMPERATURE, in lieu of a CLEAR_FAULTS command. This command has one data byte. STATUS_CML The STATUS_CML command returns one byte of status information on received commands, internal memory and logic. STATUS_CML Message Contents: BIT MEANING 7 Invalid or unsupported command received. 6 Invalid or unsupported data received. 5 Packet error check failed. 4 Memory fault detected. 3 Processor fault detected. 2 Reserved (LTM4686B returns 0). 1 Other communication fault. 0 Other memory or logic fault. ALERT can be asserted if any supported bits are set. Any supported bit may be cleared by writing a 1 to that bit position in STATUS_CML, in lieu of a CLEAR_FAULTS command. This command has one data byte. STATUS_MFR_SPECIFIC The STATUS_MFR_SPECIFIC commands returns one byte with the manufacturer specific status information. Each channel has a copy of the same information. Only bit 0 is page specific. The format for this byte is: BIT MEANING 7 Internal Temperature Fault Limit Exceeded. 6 Internal Temperature Warn Limit Exceeded. 5 NVM CRC Fault. 4 PLL is Unlocked 3 Fault Log Present 2 VDD33 UV or OV Fault 0 GPIOn Pin Asserted Low by External Device (paged) |
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