Pin Description; Application Guide - SimCom SIM5215 Hardware Design

3.5.1

Pin description

Table 15: Electronic characteristic
3.0V mode
Pin name
Min
V_USIM 2.7
USIM_RESET 0.8* V_USIM
USIM_CLK 0.7* V_USIM
USIM_DATA 0.7* V_USIM
Table 16: Pin description
Pin name Pin
USIM_CLK 12
USIM_RESET 13
USIM_DATA 56
V_USIM 57
3.5.2

Application Guide

It is recommended to use an ESD protection component such as ST
SEMI (www.onsemi.com
socket. The reference circuit of the 8-pin SIM card holder is illustrated in the following figure.
SIM5215&SIM5216_Hardware Design_V2.02
Typ Max
3.00 3.3
3.00 V_USIM
3.00 V_USIM
3.00 V_USIM
Description
USIM Card Clock
USIM Card Reset
USIM Card data I/O, which has been pulled up with a 22kR resistor to
V_USIM in module. Do not pull up or pull down in users' application
circuit.
USIM Card Power output depends automatically on USIM mode，one
is 3.0V±10%, another is 1.8V±10%. Current is less than 50mA.
) SMF05C. Note that the SIM peripheral circuit should be close to the SIM card
Smart Machine Smart Decision
1.8V mode
Min
1.65
0.8* V_USIM
0.8* V_USIM
0.8* V_USIM
(www.st.com
35
Typ Max
1.8 2.0
1.8 V_USIM
1.8 V_USIM
1.8 V_USIM
) ESDA6V1W5 or ON
2012-08-31