MT8206
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
June, 2006
REQUIRED POWER ON SEQUENCE-1
The following chart shows Power-On sequence of 82-series IC’s. Both 5VSB and DV18A must be supplied when chip is
powered on. DV18A could not be off since booted-up and only turned off by firmware after initialization done. The minimum
duration to keep DV18A alive depends on how firmware initiates chip.
REQUIRED POWER ON SEQUENCE-2
Standby power (SB18V)
Digital main power (DV18A)
Note 1 : Td < 20ms, this will dependent on LDO type and C value on DV18A
Chip reset signal (RESET)
>300ms
Note 2 : this timing is safe to power
Td
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