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DA9021 Datasheet(PDF) 102 Page - Dialog Semiconductor

Part # DA9021
Description  System PMIC with high efficiency USB power manager
PDF  142 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9021 Datasheet(HTML) 102 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
102 of 142
© 2017 Dialog Semiconductor
Register
address
Bit
Type
Label
Default
Description
the voltage is ramping, write access is
blocked to LDO3 register. VLDO3_GO is
cleared when the target voltage is reached
(ignored if LDO3_CONF was asserted)
5
R/W
0
RESERVED
6
R/W
0
RESERVED
7
R/W
V_LOCK
0
0: Allows writing new values into buck and
LDO voltage registers
1: Disables voltage re-programming from the
host (enable/disable, DVC ramping, power
sequencing including deferred update still
possible)
Table 96: PULLDOWN
Register
address
Bit
Type
Label
Default
Description
R61
PULLDOWN
0
R/W
CORE_PD
_DIS
0
0: Enable pull down resistor
1: No pull down resistor in disabled mode
1
R/W
PRO_PD_
DIS
0
0: Enable pull down resistor
1: No pull down resistor in disabled mode
2
R/W
MEM_PD_
DIS
0
0: Enable pull down resistor
1: No pull down resistor in disabled mode
3
R/W
LDO1_PD
_DIS
0
0: Enable pull down resistor
1: No pull down resistor in disabled mode
7:4
R/W
0000
RESERVED



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