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Introduction to AL card (active low card) & IR card (internal reset card)
[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
本文转载于一牛网中MTK方案知识，转载请注明
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
本文转载于一牛网中MTK方案知识，转载请注明
