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DA9211 Datasheet(PDF) 38 Page - Dialog Semiconductor

Part # DA9211
Description  Integrates two dual-phase buck converters
PDF  74 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9211 Datasheet(HTML) 38 Page - Dialog Semiconductor

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DA9211 and DA9212
Datasheet
Company confidential
Data sheet
Version <3.0>
<07-Jan-2015>
CFR0011-120-00 Rev 3
38 of 74
© 2015 Dialog Semiconductor GmbH
Figure 36: GPIO principle of operation (example paths)
Operating Modes
13.3
ON Mode
13.3.1
DA9211 and DA9212 is in ON Mode when the IC_EN port is higher than EN_ON and the supply
voltage is higher than VTH(UVLO)(VDD). Once enabled, the host processor can start the communication
with DA9211 and DA9212 via Control Interface after the tEN delay needed for internal circuit start up.
If BUCKA_EN or BUCKB_EN is asserted when DA9211 and DA9212 is in ON Mode the power up of
the related buck converter is initiated. If the bucks are controlled via GPI, the level of the controlling
ports is checked when entering ON mode, so that an active level will immediately have effect on the
Input
Reference
Buffer
GPI0_PIN
Interrupt mask:
M_GPI0
Rising or
Falling edge
GPIO0_TYPE:
Active high/low
GPI0
Status register
nIRQ
E_GPI0
Event register
Reset
Event register write
100k
Ω
...
NOR
NOR
GPIO0_PUPD
GPI
Buck
GPIO3_PIN
Regulator
configure
Buck HW control
BUCK_ EN
VBUCK_SEL
Debounce
GPI0_MODE:
Debounce on/off
Interrupt mask:
M_GPI3
Rising or
Falling edge
GPIO3_TYPE:
Active high/low
GPI3
Status register
E_GPI3
Event register
Reset
Event register write
100k
Ω
VDD_IO
120k
Ω
GPO (Open drain)
GPO (Push-pull)
GPO3_MODE:
0 or 1
NOR
GPIO3_PUPD
GPIO3_PUPD
VDD_IO
GPI
Debounce
GPIO3_MODE:
Debounce on/off
VDD_IO
4-WIRE
SO
READY signal
asserted during
DVC
READY_EN
Track Mode
Interface
Reserved
Reserved



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