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AXP209 Datasheet(PDF) 44 Page - List of Unclassifed Manufacturers

Part No. AXP209
Description  Enhanced single Cell Li-Battery and Power System Management IC
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Maker  ETC2 [List of Unclassifed Manufacturers]
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AXP209 Datasheet(HTML) 44 Page - List of Unclassifed Manufacturers

 
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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
Bit
Description
R / W
Default
value
7
Timer expires IRQ Enable
RW
0
6
PEK Button on the rising edge IRQ Enable
RW
0
5
PEK Button on the falling edge IRQ Enable
RW
0
4
Reserved, can not be changed
RW
0
3
GPIO3 Edge trigger input IRQ Enable
RW
0
2
GPIO2 Edge trigger input IRQ Enable
RW
0
1
GPIO1 input edge-trigger or ADC Input IRQ Enable
RW
0
0
GPIO0 Edge trigger input IRQ Enable
RW
0
IRQ State 5,REG4CH: Default: 00H
Bit
Description
R / W
Default
value
7-0
Meaning of the status bits corresponds to each bit 44H above
RW
0
Note: Writing 1 to all IRQ status register bits will clear corresponding status.
10.51 REG B8H:Coulomb Counter Control
The default value: 00H
Bit
Description
R / W
Default
value
7
Coulomb gauge enable/disable
RW
0
6
Coulomb counter suspend control. Writing “1” to this bit will suspend the
Coulomb counter, and this bit will be automatically cleared to 0 as well
RW
0
5
Coulomb counter clear control. Writing “1” to this bit will clear the coulomb
counter, and this bit will automatically be cleared to 0.
RW
0
4-2
Reserved, can not be changed
RW
0
1-0
Decrypt the start bit. Automatically clear to 0 after the decryption.
RW
0
0
Decryption is complete:
RW
0
0: Not finished
1: Finished
10.52 REG B9H:Fuel Gauge
The default value: 7FH
Bit
Description
R / W
Default
value
7
Fuel Gauge Control
RW
0
0: Normal operating mode
1: Suspended
6-0
Fuel gauge percentage
R
7F
Confidential
Page 44/45


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