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DA9021 Datasheet(PDF) 68 Page - Dialog Semiconductor

No. de pieza DA9021
Descripción Electrónicos  System PMIC with high efficiency USB power manager
PDF  142 Pages
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Fabricante Electrónico  DIALOG [Dialog Semiconductor]
Página de inicio  http://www.dialog-semiconductor.com/
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DA9021 Datasheet(HTML) 68 Page - Dialog Semiconductor

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DA9021/22
System PMIC with high efficiency USB power manager
Datasheet
Revision 2.5
17-Feb-2017
CFR0011-120-00 Rev 5
68 of 142
© 2017 Dialog Semiconductor
The nIRQ line will be released only when all events have been cleared from the host processor by
writing a ‘1’ to each asserted event bit (to prohibit missing events it is recommended to clear event
bits individually).
Table 47: FAULT_LOG
Register
address
Bit
Type
Label
Default
Description
R9
FAULT_LOG
0
R
1
R
VDD_FAULT
1
Power down by VDDOUT under voltage
detect
2
R
VDD_START
0
Power down by VDDOUT under voltage
detect within 10 s from releasing
nRESET
3
R
TEMP_OVER
0
Junction over temperature detected
4
R
5
R
KEY_SHUT
0
Power down by a long press of the
nONKEY or GPI14 and GPI15 in parallel
6
R
nSD_SHUT
0
Power down by assertion of port
nSHUTDOWN
7
R
WAIT_SHUT
0
Power down by time out of ID
WAIT_STEP
Table 48: IRQ_MASK_A
Register
address
Bit
Type
Label
Default
Description
R10
IRQ_MASK_A
0
R/W
1
RESERVED
1
R/W
M_VBUS_VLD
0
Mask VBUS 4.4 V detection caused
nIRQ
2
R/W
1
RESERVED
3
R/W
M_VBUS_REM
0
Mask VBUS removal caused nIRQ
4
R/W
M_VDD_LOW
0
Mask VDDOUT low caused nIRQ
5
R/W
M_ALARM
0
Mask RTC alarm caused nIRQ
6
R/W
M_SEQ_RDY
0
Mask Sequencer reached stop position
caused nIRQ
7
R/W
M_COMP_1V2
0
Mask 1.2 V comparator caused nIRQ
Table 49: IRQ_MASK_B
Register
address
Bit
Type
Label
Default
Description
R11
IRQ_MASK_B
0
R/W
M_nONKEY
0
Mask nONKEY caused nIRQ
1
R/W
1
RESERVED
2
R/W
1
RESERVED
3
R/W
M_CHG_END
0
Mask battery charging complete caused
nIRQ
4
R/W
M_TBAT
0
Mask battery over / under temp caused
nIRQ
5
R/W
M_ADC_EOM
0
Mask ADC manual conversion result



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