LTC6804-1/LTC6804-2
53
680412fc
For more information www.linear.com/LTC6804-1
operaTion
Table 46. Memory Bit Descriptions
NAME DESCRIPTION VALUES
GPIOx GPIOx Pin Control Write: 0 -> GPIOx Pin Pull-Down ON; 1-> GPIOx Pin Pull-Down OFF (Default)
Read: 0 -> GPIOx Pin at Logic 0; 1 -> GPIOx Pin at Logic 1
REFON Reference
Powered Up
1 -> Reference Remains Powered Up Until W
atchdog Timeout
0 -> Reference Shuts Down after Conversions (Default)
SWTRD
SWTEN Pin Status
(Read Only)
1 -> SWTEN Pin at Logic 1
0 -> SWTEN Pin at Logic 0
ADCOPT
ADC Mode Option
Bit
ADCOPT: 0 -> Selects Modes 27kHz, 7kHz or 26Hz with MD[1:0] Bits in ADC Conversion Commands (Default).
1 -> Selects Modes 14kHz, 3kHz or 2kHz with MD[1:0] Bits in ADC Conversion Commands.
VUV Undervoltage
Comparison
Voltage*
Comparison voltage = (VUV + 1) • 16 • 100µV
Default: VUV = 0x000
VOV Overvoltage
Comparison
V
oltage*
Comparison voltage = VOV • 16 • 100µV
Default: VOV = 0x000
DCC[x]
Discharge Cell x x = 1 to 12 1 -> Turn ON Shorting Switch for Cell x
0 -> Turn OFF Shorting Switch for Cell x (Default)
DCTO Discharge Time
Out Value
DCTO
(Write)
0 1 2 3 4 5 6 7 8 9 A B C D E F
Time
(Min)
Disabled 0.5 1 2 3 4 5 10 15 20 30 40 60 75 90 120
DCTO
(Read)
0 1 2 3 4 5 6 7 8 9 A B C D E F
Time
Left
(Min)
Disabled
or
Timeout
0
to
0.5
0.5
to
1
1
to
2
2
to
3
3
to
4
4
to
5
5
to
10
10
to
15
15
to
20
20
to
30
30
to
40
40
to
60
60
to
75
75
to
90
90
to
120
CxV Cell x V
oltage*
x = 1 to 12 16-Bit ADC Measurement Value for Cell x
Cell Voltage for Cell x = CxV • 100µV
CxV Is Reset to 0xFFFF on Power-Up and After Clear Command
GxV GPIO x Voltage* x = 1 to 5 16-Bit ADC Measurement Value for GPIOx
Voltage for GPIOx = GxV • 100µV
GxV Is Reset to 0xFFFF on Power-Up and After Clear Command
REF 2nd Reference
Voltage*
16-Bit ADC Measurement Value for 2nd Reference
Voltage for 2nd Reference = REF • 100µV
Normal Range Is within 2.985V to 3.015V
SOC Sum of Cells
Measurement*
16-Bit ADC Measurement Value of the Sum of All Cell Voltages
Sum of All Cells Voltage = SOC • 100µV • 20
ITMP Internal Die
Temperature*
16-Bit ADC Measurement Value of Internal Die Temperature
Temperature Measurement (°C) = ITMP • 100µV/7.5mV/°C – 273°C
VA Analog Power
Supply Voltage*
16-Bit ADC Measurement Value of Analog Power Supply Voltage
Analog Power Supply Voltage = VA • 100µV
Normal Range Is within 4.5V to 5.5V
VD Digital Power
Supply Voltage*
16-Bit ADC Measurement Value of Digital Power Supply Voltage
Digital Power Supply Voltage = VA • 100µV
Normal Range Is within 2.7V to 3.6V
CxOV Cell x Overvoltage
Flag
x = 1 to 12 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 12 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. See Revision Code and Reserved Bits in Operation Section.
RSVD Reserved Bits See Revision Code and Reserved Bits in Operation Section.