SIM Tech SIMCom SIM800 - PCM Interface

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SIM800_Hardware Design_V1.09 40 2016-06-30
Figure 35: Amphenol C707 10M006 512 SIM card holder
Table 17: Pin description (Amphenol SIM card holder)
Pin name
Signal
Description
C1
SIM_VDD
SIM card power supply
C2
SIM_RST
SIM card reset
C3
SIM_CLK
SIM card clock
C5
GND
Connect to GND
C6
VPP
Not connect
C7
SIM_DATA
SIM card data I/O
4.10. PCM Interface
SIM800 provides PCM interface.
Table 18: PCM pin definition
Pin name
Pin number
Description
PCM_OUT
6
PCM data output
PCM_IN
12
PCM data input
PCM_SYNC
14
PCM synchrony
PCM_CLK
68
PCM clock