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LTM4686BEVPBF 数据表(PDF) 108 Page - Analog Devices |
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LTM4686BEVPBF 数据表(HTML) 108 Page - Analog Devices |
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108 / 130 page  LTM4686B 108 Rev. 0 For more information www.analog.com APPENDIX C: PMBUS COMMAND DETAILS SCRATCHPAD COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE USER_DATA_00 0xB0 OEM reserved. Typically used for part serialization. R/W Word N Reg Y NA USER_DATA_01 0xB1 Manufacturer reserved for LTpowerPlay. R/W Word Y Reg Y NA USER_DATA_02 0xB2 OEM reserved. Typically used for part serialization. R/W Word N Reg Y NA USER_DATA_03 0xB3 A NVM word available for the user. R/W Word Y Reg Y 0x0000 USER_DATA_04 0xB4 A NVM word available for the user. R/W Word N Reg Y 0x0000 USER_DATA_00 through USER_DATA_04 These commands are nonvolatile memory locations for customer storage. The customer has the option to write any value to the USER_DATA_nn at any time. However, the LTpowerPlay software and contract manufacturers use some of these commands for inventory control. Modifying the reserved USER_DATA_nn commands may lead to undesirable inventory control and incompatibility with these products. These commands have 2 data bytes and are in register format. IDENTIFICATION COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE PMBUS_REVISION 0x98 PMBus revision supported by this device. Current revision is 1.2. R Byte N Reg 0x22 CAPABILITY 0x19 Summary of PMBus optional communication protocols supported by this device. R Byte N Reg 0xB0 MFR_ID 0x99 The manufacturer ID of the LTM4686B in ASCII. R String N ASC LTC MFR_MODEL 0x9A Manufacturer part number in ASCII. R String N ASC “LTM4686 ”* MFR_SERIAL 0x9E Serial number of this specific unit in ASCII. R Block N CF NA MFR_SPECIAL_ID 0xE7 Manufacturer code representing the LTM4686B. R Word N Reg 0x477X * The MFR_MODEL value is “LTM4686 ”. The value consists of 8 ASCII characters and the last character is a blank space punctuation character (" "), i.e., ASCII code 0x20 or 32d. PMBus_REVISION The PMBUS_REVISION command indicates the revision of the PMBus to which the device is compliant. The LTM4686B is PMBus Version 1.2 compliant in both Part I and Part II. This read-only command has one data byte. CAPABILITY This command provides a way for a host system to determine some key capabilities of a PMBus device. The LTM4686B supports packet error checking, 400kHz bus speeds, and ALERT pin. This read-only command has one data byte. MFR_ID The MFR_ID command indicates the manufacturer ID of the LTM4686B using ASCII characters. This read-only command is in block format. |
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