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MeiG Smart product technical information
SLM500 Hardware Design Guide Page 50
below is the SIM recommended interface circuit. In order to protect the SIM card, it is
recommended to use TVS devices for electrostatic protection. The device of the peripheral
circuit of the SIM card should be close to the SIM card holder.
The reference circuit is as follows:
Figure 4.30: UIM card interface circuit
4.12. SD Card Interface
SLM500 supports SD card interface.
The reference circuit is as follows:
Figure 4.31: SD Card Interface Circuit
moduler
SIM card