DS8113_10 Datasheet, PDF (13/17 Pages) Maxim Integrated Products – Smart Card Interface

Smart Card Interface
PRES
OFF
CMDVCC
VCC
DEBOUNCE
DEACTIVATION CAUSED
BY CARDS WITHDRAWAL
Figure 6. Behavior of PRES, OFF, CMDVCC, and VCC
DEBOUNCE
OFF
PRES
RST
CLK
I/O
VCC
t₁₀
t₁₂
t₁₃
t₁₄
t₁₅
t_DE
Figure 7. Emergency Deactivation Sequence (Card Extraction)
DEACTIVATION CAUSED
BY SHORT CIRCUIT
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