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ADBMS1818CSWAZ-R7 数据表(PDF) 69 Page - Analog Devices |
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ADBMS1818CSWAZ-R7 数据表(HTML) 69 Page - Analog Devices |
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69 / 92 page  Data Sheet ADBMS1818 MEMORY MAP analog.com Rev. B | 69 of 92 Table 72. Memory Map Bit Descriptions (Continued) Bit Description Values MUTE Mute status (read only) 1: mute is activated and discharging is disabled 0: mute is deactivated FDRF Force digital redundancy failure 1: forces the digital redundancy comparison for ADC conversions to fail 0: enables the normal redundancy comparison PS, Bits[1:0] Digital redundancy path selection 11: redundancy is applied only to the ADC3 digital path 10: redundancy is applied only to the ADC2 digital path 01: redundancy is applied only to the ADC1 digital path 00: redundancy is applied sequentially to the ADC1, ADC2, and ADC3 digital paths during cell conversions and applied to ADC1 during AUX and STATUS conversions DTMEN Enable discharge timer monitor 1: enables the discharge timer monitor function if the DTEN pin is asserted 0: disables the discharge timer monitor function. The normal discharge timer function is enabled if the DTEN pin is asserted CxV Cell x voltage1 x = 1 to 18 16-bit ADC measurement value for Cell x Cell voltage for Cell x = CxV × 100 μV CxV is rest to 0xFFFF on power-up and after clear command GxV GPIO x voltage1 x = 1 to 9 16-bit ADC measurement value for GPIOx Voltage for GPIOx = GxV × 100 μV GxV is reset to 0xFFFF on power-up and after clear command REF 2nd reference voltage1 16-bit ADC measurement value for 2nd reference SC Sum of all cells measurement1 16-bit ADC measurement value of the sum of all cell voltages, sum of all cells voltage = SC × 100 μV × 30 ITMP Internal die temperature1 16-bit ADC measurement value of the internal die temperature, temperature measurement voltage = ITMP × 100 μV/7.6mV/°C − 276°C VA Analog power supply voltage1 16-bit ADC measurement value of the analog power supply voltage, analog power supply voltage = VA × 100 μV, the value of VA is set by external components that must be in the range of 4.5 V to 5.5 V for normal operation VD Digital power supply voltage1 16-bit ADC measurement value of the digital power supply voltage, digital power supply voltage = VD × μV, normal range is within 2.7 V to 3.6 V CxOV Cell x overvoltage flag x = 1 to 18 Cell voltage compared to VOV comparison voltage 0: cell x not flagged for overvoltage condition 1: cell x flagged CxUV Cell x undervoltage flag x = 1 to 18 Cell voltage compared to VUV comparison voltage 0: cell x not flagged for undervoltage condition 1: cell x flagged REV Revision code Device revision code RSVD Reserved bits Read: read back value can be 1 or 0 RSVD0 Reserved bits Read: read back value is always 0 RSVD1 Reserved bits Read: read back value is always 1 MUXFAIL Multiplexer self test result Read: 0: multiplexer passed self test 1: multiplexer failed self test THSD Thermal shutdown status Read: 0: thermal shutdown has not occurred |
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