Rainbow Electronics T89C5121 - Manual (Page 33)

33
A/T8xC5121
4164G–SCR–07/06
Figure 17. T = 0 Mode
Figure 18. T = 1 Mode
Power-on and Power-off FSM In this state, the machine applies the signals on the smart card in accordance with
ISO7816 standard.
To be able to power-on the SCIB, the card presence is mandatory.
Removal of the smart card will automatically start the power-off sequence as described
in Figure 19.
Figure 19. SCI Deactivation Sequence after a Card Extraction
CHAR 1 CHAR 2
< WT
> GT
BLOC 1
CHAR 1 CHAR 2 CHAR n
BLOC 2
CHAR n+1 CHAR n+2 CHAR n+3
< CWT
< BWT
< CWT
Transmission Reception
V
CC
RST
CLK
IO
8 Clock Cycles