User's Manual

Smart Machine Smart Decision

SIM5320A_Hardware Design_V1.01 2011-2-29

Figure 27: USIM interface reference circuit

Note: USIM_DATA has been pulled up with a 22kR resistor to V_USIM in module. A 220nF shut capacitor on V_USIM

is used to reduce interference. Use AT Commands to get information in USIM card. For more detail, please refer to

document [1].

3.5.3 Recommend Components

For 6 pins USIM socket, SIMCom recommend to use Amphenol C707 10M006 512 2. User can visit

http://www.amphenol.com

for more information about the holder.