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NOTE
It is recommended to reserve an RC (R = 0 Ω, C = 33 pF) circuit on the PCM lines, especially for
1.
PCM_CLK.
2.
The module can only be used as a master device in applications related to PCM and I2C interfaces
4.5. Control and Indication Signals
The following table shows the pin definition of control and indication signals.
Table 12: Pin Definition of Control and Indication Signals
Pin Name
Pin No.
RI
17
DTR
31
W_DISABLE#
20
PERST#
22
LED_WWAN#
42
WAKE#
1
RG255C-GL_Mini_PCIe_Hardware_Design
I/O
Description
DO
Ring indication
DI
Sleep mode control
DI
Airplane mode control
DI
Fundamental reset
LED signal for indicating the network
OC
status of the module
OC
Wake up the host
5G Module Series
Comment
3.3 V power domain.
3.3 V power domain.
3.3 V power domain.
Pulled up by default;
Active low.
3.3 V power domain.
Pulled up by default;
Active low.
Active low.
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