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| 型号： | DS2790G+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/41页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 28-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TDFN |
| 供应商设备封装： | 28-TDFN-EP（8x4） |
| 包装： | 带卷 (TR) |
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DS2790 Programmable 1-Cell Li-Ion Fuel Gauge and Protector
Figure 6. EINT Register Interrupt Sources
GENERATOR INTERRUPT
INT0
INT1
SCI
MASK
PAF.0/PIE.0
PAF.1/PIE.1
MSCI
DESCRIPTION
The interrupt from pin P0.0 is configurable
via the PAF.0, PIT.0 and PIP.0 bits.
The interrupt from pin P0.1 is configurable
via the PAF.1, PIT.1 and PIP.1 bits.
The serial connect interrupt is generated
when all serial lines become high.
FREQUENCY
Dependent on external
conditions.
Dependent on external
conditions.
Every time all lines are
high after any of them
were low.
Once every 220ms if all
serial lines are held low.
Ports and Pins
SDI
MSDI
The serial disconnect interrupt is generated The first interrupt may
when all serial lines are low for at least take up to 440ms from the
time all lines go low.
220ms.
Interrupt will not trigger if
the ADC is off.
The serial not disconnected interrupt is
Every time any line goes
SNDI
CCI
MSNDI
MCCI
generated when only one serial line goes
high.
The charger connection interrupt is
generated when V PLS increases above V IN and
creates a charger detection condition.
high after all of them were
low.
Each time the charger
detection condition
evaluates to true after it
was false.
Brown-Out
Detector
BOI
MBOI
The brown-out interrupt indicates that V DD
was below V BO in the past. It will not terminate
the microcontroller's stop mode. It will
interrupt the microcontroller, if MBOI is 1,
Every time after exiting
brown-out.
after a charger brings V DD above V BO and
causes the microcontroller to run.
The battery event interrupt is an interrupt for
a collection of events that initiate the various
battery conditions that are handled by the
Protection
Logic
BEI
MBEI
protection logic: overvoltage, undervoltage,
charge overcurrent, discharge overcurrent
Each entry into a
protection violation.
and short-circuit. The battery conditions are
available as flags in the MAS register of
module 0.
VI
MVI
The voltage interrupt indicates the voltage
register in the data peripheral memory block
has a fresh voltage average.
Once every 6.9ms. Never
if the ADC is off.
The current interrupt indicates that the quick
A/D Converter
CI
MCI
average current register in the data peripheral Once every 88ms. Never if
memory block has a fresh reading and that the ADC is off.
the ACR has also been updated.
TI
MTI
The temperature interrupt indicates that the
temperature register in the data peripheral
memory block has a fresh average.
Once every 220ms. Never
if the ADC is off.
Timer/
Counter
TCI
MTCI
The timer/counter interrupt indicates that
the timer/counter has been reloaded after
reaching its end-count.
Dependent on TMOD and
TTCK[1:0].
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