Pcm Interface - SimCom SIM800L Hardware Design

Table 19: Pin description (Amphenol SIM card holder)
Pin name Signal
C1 SIM_VDD
C2 SIM_RST
C3 SIM_CLK
C5 GND
C6 VPP
C7 SIM_DATA
Note: Every time plug SIM card interval advice is greater than 2s. Otherwise may not be able to correct detection.

4.9. PCM Interface

SIM800L provides a hardware PCM interface:
Table 20: PCM pin definition
Pin name Pin number
SIM800L(MT6261)_Hardware Design_V1.01
Figure 35: Amphenol C707 10M006 512 SIM card holder
Description
SIM card power supply
SIM card reset
SIM card clock
Connect to GND
Not connect
SIM card data I/O
Description
Smart Machine Smart Decision
39 2016-07-07