Smart Machine Smart Decision
SIM5360_Hardware Design_V1.06
2016-11-17
35
3.7.1
Pin description
Table 15: Pin description
Table 16: Electronic characteristic
Symbol
Parameter
3.0V mode
1.8V mode
Unit
Min
Typ
Max
Min
Typ
Max
USIM_VDD
LDO power
output
2.71
2.85
3.05
1.7
1.8
1.9
V
V
IH
High-level
input
voltage
0.65·USI
M_VDD
-
USIM_V
DD +0.3
0.65·USI
M_VDD
-
USIM_VDD
+0.3
V
V
IL
Low-level
input
voltage
-0.3
0
0.3·USI
M_VDD
-0.3
0
0.3·USIM_V
DD
V
V
OH
High-level
output
voltage
2.71
2.85
3.05
1.7
1.8
1.9
V
V
OL
Low-level
output
voltage
0
0
0.45
0
0
0.45
V
3.7.2
Application Guide
It is recommended to use an ESD protection component such as ST (
SEMI (
) SMF05C. Note that the SIM peripheral circuit should be close to the SIM card
socket. The reference circuit of the 6-pin SIM card holder is illustrated in the following figure.
Pin name
Pin
Description
USIM_CLK
19
USIM Card Clock
USIM_RST
18
USIM Card Reset
USIM_DATA
17
USIM Card data I/O, which has been pulled up with a 22kR resistor to
USIM_VDD in module. Do not pull up or pull down in users’ application
circuit.
USIM_VDD
20
USIM Card Power output depends automatically on USIM mode
，
one is
3.0V±10%, another is 1.8V±10%. Current is less than 50mA.
SIMCOM
CONFIDENTIAL
FILE
