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LTM4677 Datasheet(PDF) 92 Page - Analog Devices |
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LTM4677 Datasheet(HTML) 92 Page - Analog Devices |
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92 / 116 page  LTC3883/LTC3883-1 92 Rev. F For more information www.analog.com Fault Sharing Response COMMAND NAME CMD CODE DESCRIPTION TYPE DATA FORMAT UNITS NVM DEFAULT VALUE MFR_GPIO_RESPONSE 0xD5 Action to be taken by the device when the GPIO pin is asserted low. R/W Byte Reg Y 0xC0 MFR_GPIO_RESPONSE This command determines the controller’s response to the GPIO pin being pulled low by an external source. VALUE MEANING 0xC0 GPIO_INHIBIT The LTC3883 will three-state the output in response to the GPIO pin pulled low. 0x00 GPIO_IGNORE The LTC3883 continues operation without interruption. The device also: • Sets the NONE_OF_THE_ABOVE bit in the STATUS_BYTE • Sets the MFR bit in the STATUS_WORD • Sets the GPIO bit in the STATUS_MFR_SPECIFIC command, and notifies the host by asserting ALERT pin. The ALERT pin pulled low can be disabled by setting bit[1] of MFR_CHAN_CFG_LTC3883. This command has one data byte. SCRATCHPAD COMMAND NAME CMD CODE DESCRIPTION TYPE DATA FORMAT UNITS NVM DEFAULT VALUE USER_DATA_00 0xB0 OEM reserved. Typically used for part serialization. R/W Word Reg Y NA USER_DATA_01 0xB1 Manufacturer reserved for LTpowerPlay. R/W Word Reg Y NA USER_DATA_02 0xB2 OEM reserved. Typically used for part serialization. R/W Word Reg Y NA USER_DATA_03 0xB3 A NVM word available for the user. R/W Word Reg Y 0x0000 USER_DATA_04 0xB4 A NVM word available for the user. R/W Word Reg Y 0x0000 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 DATA FORMAT UNITS NVM DEFAULT VALUE PMBUS_REVISION 0x98 PMBus revision supported by this device. Current revision is 1.1. R Byte Reg FS 0x11 CAPABILITY 0x19 Summary of PMBus optional communication protocols supported by this device. R Byte Reg 0xB0 MFR_ID 0x99 The manufacturer ID of the LTC3883 in ASCII. R String ASC LTC MFR_MODEL 0x9A Manufacturer part number in ASCII. R String ASC LTC3883 MFR_SPECIAL_ID 0xE7 Manufacturer code representing the LTC3883. R Word Reg 0x430X PMBus COMMAND DETAILS |
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