DS2756E+TR MAXIM [Maxim Integrated Products], DS2756E+TR Datasheet - Page 14

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DS2756E+TR

Manufacturer Part Number
DS2756E+TR
Description
High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
Figure 12. Alarm And Suspend Mode Operating Diagram
TEMPERATURE
Discharge Suspend
Interrupt Threshold
Interrupt Threshold
Interrupt Threshold
Interrupt Threshold
Interrupt Threshold
Interrupt Threshold
High Temperature
High Accumulator
Low Temperature
Low Accumulator
Charge Suspend
CURRENT
Interrupt Enable
Interrupt Enable
Programmable
DEVICE
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
STATE
(IOS = 0)
ACR
PIO
PIE
IE
Threshold violations do not generate alarm interrupts until the Interrupt Enable (IE) bit is set.
PIO Interrupts are cleared by resetting the PIO bit in the Special Feature Register .
SUSPEND state shown in this timing diagram refers to the DS2756 cycling between Active
and Suspend mode at a rate determined by the PIE bit settings . Suspend state is entered
by setting PIE bits to a non -zero value, setting PMOD=1, and then driving DQ low for longer
than 2s.
Interrupts on PIO not reset by software are automatically cleared when entering suspend
mode.
Alarm threshold violations do not generate interrupts if Suspend mode is enabled
(PIE ≠ 00b).
ACTIVE
00b
Note 1
Note 2
14 of 26
Note 3
≠ 00b
SUSPEND
ACTIVE
Note 4
Note 5
SUSPEND

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