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LTC2978 Datasheet(PDF) 21 Page - Linear Technology |
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LTC2978 Datasheet(HTML) 21 Page - Linear Technology |
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21 / 64 page  LTC2978 2978fa Summary COMMAND FUNCTION DESCRIPTION R/W DATA LENGTH (BITS) COMMAND BYTE VALUE NV MEMORY TYPE DEFAULT VALUE PAGED ? MFR_VINEN_UV_FAULT_RESPONSE Determines the response of the VIN_EN pin to a VOUT_UV_FAULT R/W 8 ‘hDA EEPROM ‘h00 N MFR_RETRY_DELAY Sets retry interval during retry mode. R/W 16 ‘hDB EEPROM ‘hF320 N MFR_RESTART_DELAY Sets delay from actual CONTROL active edge to virtual CONTROL active edge. R/W 16 ‘hDC EEPROM ‘hFB20 N MFR_VOUT_PEAK Returns the maximum measured value of VOUT. R 16 ‘hDD NA Y MFR_VIN_PEAK Returns the maximum measured value of VIN_SNS. R 16 ‘hDE NA N MFR_TEMPERATURE_PEAK Returns the maximum measured value of temperature. R 16 ‘hDF NA N MFR_DAC Manufacturer register that contains the code of the 10-bit voltage-buffered current DAC. R/W 16 ‘hE0 EEPROM ‘h0000 Y MFR_POWERGOOD_ASSERTION_DELAY Determines power good output assertion delay. R/W 16 ‘hE1 EEPROM ‘hEB20 N MFR_WATCHDOG_T_FIRST First watchdog timer interval. R/W 16 ‘hE2 EEPROM ‘h8000 N MFR_WATCHDOG_T Watchdog timer interval. R/W 16 ‘hE3 EEPROM ‘h8000 N MFR_PAGE_FF_MASK Selects which channels respond to global page commands. R/W 8 ‘hE4 EEPROM ‘hFF N MFR_PADS Returns values detected and driven onto digital I/O pads. R 16 ‘hE5 N/A N MFR_I2C_BASE_ADDRESS This register determines the base value of the I2C address byte. R/W 8 ‘hE6 EEPROM ‘h5C N MFR_SPECIAL_ID This register contains the manufacturer code for identifying the LTC2978. R 16 ‘hE7 EEPROM ‘h0121 N MFR_SPECIAL_LOT These registers contain customer dependent codes that identify the factory programmed user configuration stored in EEPROM. R/W 8 ‘hE8 EEPROM Contact the Factory Y MFR_VOUT_DISCHARGE_THRESHOLD Coefficient used to multiply VOUT_ COMMAND in order to determine VOUT OFF threshold voltage. R/W 16 ‘hE9 EEPROM ‘hC200 Y MFR_FAULT_LOG_STORE Command a transfer of the fault log from RAM to EEPROM. This causes the part to behave as if a channel has faulted off. W 0 ‘hEA NA N MFR_FAULT_LOG_RESTORE Command a transfer of the fault log previously stored in EEPROM back to RAM. W 0 ‘hEB NA N MFR_FAULT_LOG_CLEAR Initialize the EEPROM block reserved for fault logging and clear any previous fault logging locks. W 0 ‘hEC NA N MFR_FAULT_LOG_STATUS This command returns one byte with status information on fault logging. R 8 ‘hED EEPROM NA N MFR_FAULT_LOG Fault log. Accessed using a block read. Returns data in the form last in first out. R 2048 ‘hEE EEPROM NA N operaTion |
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