TC65 Terminal Hardware Interface Description
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TC65 Terminal_HD_V02.000b
Page 54 of 65
19.02.2007
5.5
Characteristics of the SIM interface for Use with 1.8V
Cards
Table 30: Characteristics of the SIM interface for use with 1.8V cards
Function
Signal name IO Signal form and level
Comment
Reset CCRST O
R
O
≈
47
Ω
V
OL
max = 0.25V at I = +1mA
V
OH
min = 1.45V at I = -0.5mA
V
OH
max = 1.90V
Data IO
CCIO
I/O R
I
≈
4.7k
Ω
V
IL
max = 0.45V
V
IH
min = 1.35V
V
IH
max = CC 0.3V = 2.00V
R
O
≈
100
Ω
V
OL
max = 0.3V at I = +1mA
V
OH
min = 1.45V at I = -0.5mA
V
OH
max = 1.90V
Clock CCCLK O
R
O
≈
100
Ω
V
OL
max = 0.3V at I = +1mA
V
OH
min = 1.45V at I = -0.5mA
V
OH
max = 1.90V
Supply CCVCC O
V
O
min = 1.70V
V
O
typ = 1.80V
V
O
max = 1.90V
I
O
max = -20mA
Ground CCGND Ground
All signals of SIM interface
are protected against ESD
with a special diode array.
