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DA9062 데이터시트(PDF) 49 Page - Renesas Technology Corp

부품명 DA9062
상세설명  PMIC for Applications Requiring up to 8.5 A
PDF  101 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA9062 데이터시트(HTML) 49 Page - Renesas Technology Corp

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DA9062
PMIC for Applications Requiring up to 8.5 A
Datasheet
Revision 3.8
15-Feb-2022
CFR0011-120-00
49 of 99
© 2022 Renesas Electronics
Current State
LS GPI
SYS_EN
PWR_EN
Freeze
Note 1
Next State
SYSTEM
0
0
x
x
POWERDOWN
SYSTEM
x
1
0
x
SYSTEM
SYSTEM
x
1
1
x
ACTIVE
SYSTEM
1
x
0
x
SYSTEM
SYSTEM
1
x
1
x
ACTIVE
ACTIVE
0
0
x
x
POWERDOWN
ACTIVE
x
1
0
x
SYSTEM
ACTIVE
x
1
1
x
ACTIVE
ACTIVE
1
x
0
x
SYSTEM
ACTIVE
1
x
1
x
ACTIVE
Note 1
In this table, Freeze represents the result of the comparison retry count = 0.
The following events will reset the retry counter and release the state machine from the freeze state:
● De-assertion of all blocked level-sensitive wakeup conditions
● Entry to the RESET mode (over-temperature error, nRESETREQ or long press of nONKEY)
● Entry to the RTC mode (system supply error)
The freeze operation is illustrated in Figure 22. Once the freeze state is cleared, DA9062 continues
operating normally. The freeze function can be enabled in the FREEZE_EN register and the number
of retries triggering the freeze can be configured in NFREEZE.
Power mode
ACTIVE
POWERDOWN
ACTIVE
TWD_ERROR
GPI
1
NFREEZE
The watchdog
expires
The level sensitive
wake-up condition
is blocked
The level sensitive
wake-up condition
is de-asserted
which resets the
retry count
The retry count is
decremented and
reaches zero
The system
operates normally
upon the next
wake-up event
Retry count
0
Figure 22: Freeze Function
8.8.5
Power-Up, Power-Down, and Shutdown Sequences
The power-up, power-down, and shutdown sequences, see Figure 21, are handled by the power
supply sequencer, see Section 8.9. All power-up sequences are identical, and the power-down
sequences mirror the power-up sequences.
The shutdown sequences are also identical to the power-down sequence, but after reaching
POWERDOWN mode, the state machine automatically proceeds to RESET mode. The shutdown
sequences caused by an internal error or nRESETREQ can be sped up from the INT_SD_MODE
and HOST_SD_MODE controls: see Section 8.8.3.



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