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LTC2977 Datasheet(PDF) 118 Page - Analog Devices |
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LTC2977 Datasheet(HTML) 118 Page - Analog Devices |
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118 / 138 page  LTM4664A 118 Rev. 0 For more information www.analog.com USER_DATA_00 through USER_DATA_04 These commands are non-volatile 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 FS 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 LTM4664A in ASCII. R String N ASC LTC MFR_MODEL 0x9A Manufacturer part number in ASCII. R String N ASC LTM4664 MFR_SPECIAL_ID 0xE7 Manufacturer code representing the LTM4664A. R Word N Reg 0x020X PMBus_REVISION The PMBUS_REVISION command indicates the revision of the PMBus to which the device is compliant. The LTM4664A 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 LTM4664A 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 LTM4664A using ASCII characters. This read-only command is in block format. MFR_MODEL The MFR_MODEL command indicates the manufacturer’s part number of the LTM4664A using ASCII characters. This read-only command is in block format. MFR_SPECIAL_ID The 16-bit word representing the part name and revision. 0x4C denotes the part is an LTM4664A, XX is adjustable by the manufacturer. This read-only command has two data bytes. PMBus COMMAND DETAILS |
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