Introduction to AL card (active low card) & IR card (internal reset card)
时间：10-02
整理：3721RD
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[Description]
Introduction to AL card (active low card) & IR card (internal reset card).
[Solution]
AL card (active low card):
It is controlled by RST pin.RST pin works to active low, start cold reset and send ATR.
IR card (internal reset card):
Do not use RST pin toactive low. It starts internal cold reset andsends ATR.
Ref datasheet SIM Interface -> ATR chapter.
Answer To Reset Sequence:
ATR: Answer To Reset
Introduction to AL card (active low card) & IR card (internal reset card).
[Solution]
AL card (active low card):
It is controlled by RST pin.RST pin works to active low, start cold reset and send ATR.
IR card (internal reset card):
Do not use RST pin toactive low. It starts internal cold reset andsends ATR.
Ref datasheet SIM Interface -> ATR chapter.
Answer To Reset Sequence:
ATR: Answer To Reset
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