Pcm Interface - SimCom SIM800 Hardware Design

Table 17: 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

4.10. PCM Interface

SIM800 provides PCM interface.
Table 18: PCM pin definition
Pin name Pin number
PCM_OUT 6
PCM_IN 12
PCM_SYNC 14
PCM_CLK 68
SIM800_Hardware Design_V1.10
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
PCM data output
PCM data input
PCM synchrony
PCM clock
40
Smart Machine Smart Decision
2018-08-13