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Parameters
SIM-VCC current
SIM-CLK Rise/Fall Time
~SIM-RST, Rise/Fall
Time
SIM-IO Rise/Fall Time
SIM-CLK Frequency
Pin Description
The following table provides the pin description of the SIM interface.
Pin #
Signal
8
SIM-VCC
O
9
SIM-CLK
O
10
SIM-IO
I/O
11
~SIM-RST
O
WA_DEV_W228_PTS_002
Conditions
SIM-VCC = 1.8V
full-power mode
Sleep mode with 32kHz
system clock enabled.
Loaded with 30pF and ESD
protection diode
Loaded with 30pF and ESD
protection diode
Loaded with 30pF and ESD
protection diode
Loaded with 30pF
Table 13. SIM Interface Pin Description
I/O
I/O Type
Reset State
2V9 / 1V8
2V9 / 1V8
0
2V9 / 1V8
Pull up
2V9 / 1V8
0
Rev 001
Product Technical Specification &
Customer Design Guidelines
Minimum
Typical
1.65
1.8
-
-
-
-
-
25
-
45
-
0.2
-
-
Description
SIM Power Supply
SIM Clock
SIM Data
SIM Reset
Maximum
Unit
1.95
V
20
mA
3
mA
50
ns
-
ns
1
µs
3.25
MHz
Multiplexed
No
No
No
No
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