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The turn-on timing is illustrated in the following figure.
VBAT (Typ. 3.8 V)
PWRKEY
VDD1V85
VDD28
VDDCAMIO
VDDCAMA
Others
NOTE
1.
Make sure that VBAT is stable before pulling down the PWRKEY pin. It is recommended to drive
PWRKEY low after VBAT reaches 3.8 V and remains stable for 30 ms. PWRKEY pin cannot be
pulled down all the time.
2.
When the module is powered on for the first time, its turn-on timing may be different from that
shown in the figure above.
3.2.2. Turn On Module Automatically Through CBL_PWR_N
Table 8: Pin Definition of CBL_PWR_N Interface
Pin Name
CBL_PWR_N
SC200K_Series_Hardware_Design
Note 1
607.4 ms
400 μs
> 1 s
Figure 9: Turn-on Timing
Pin No.
I/O
186
DI
> 2.5 s
Software
Controlled
55 s
Description
Initiates power-on when grounded.
Smart Module Series
ACTIVE
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