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SIM interface
The AD6522 check status periodically in call mode if SIM card is inserted or not, but the AD6522
don't check in deep sleep mode.
Interface by SIM_IO, SIM_CLK, SIM_RST
This pin receives and sends data to SIM card. G5200 support only 3.0
SIM_IO
volt interface SIM card.
SIM_CLK
Clock 3.5MHz frequency.
SIM_RST
Reset SIM block.
Key interface
Include 5 column and 5 row
The AD6522 detect key press by interrupt
ADP3408 interrupt
There are two interrupts EOC and CHARGEDETECT
EOC: End of Charge. Charging would be stopped when AD6522 receive this input.
CHARGEDETECT: This interrupt is generated when charge is inserted.
Table 3-5.
Description
Figure 3-8.
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3. TECHNICAL BRIEF
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