Service Guide

LTE-A Module Series
EM060K-GL&EM120K-GL_Hardware_Design 42 / 78
The clock and mode can be configured by AT command, and the default configuration is master mode
using short frame synchronization format with 2048 kHz PCM_CLK and 8 kHz PCM_SYNC. See
document [4] for details about AT+QDAI command.
4.4. Control and Indication Interfaces*
Table 16: Pin Definition of Control and Indication Interfaces
4.4.1. W_DISABLE1#
The module provides a W_DISABLE1# pin to disable or enable airplane mode through hardware
operation. W_DISABLE1# is pulled up by default. Driving it low will set the module to airplane mode. In
airplane mode, the RF function will be disabled.
The RF function can also be enabled or disabled through software AT commands. The following table
shows the RF function status of the module.
24 PCM_DOUT DO, PD PCM data output 1.8 V
28 PCM_SYNC DIO, PD PCM data frame sync 1.8 V
Pin No. Pin Name I/O Description Comments
8 W_DISABLE1# DI, PU
Airplane mode control. Active
LOW.
V
IH
min = 1.8 V
V
IL
max = 0.4 V
V
IL
min = -0.4 V
10 WWAN_LED# OD
RF status indication LED.
Active LOW.
VCC
23 WAKE_ON_WAN# OD
Wake up the host.
Active LOW.
1.8/3.3V
25 DPR DI, PU
Dynamic power reduction.
High voltage level by default.
1.8 V
26 W_DISABLE2# DI, PU
GNSS disable control.
Active LOW.
V
IH
min = 1.8 V
V
IL
max = 0.4 V
V
IL
min = -0.4 V
60 WLAN_PA_EN DI Self-protection of QLN control
1.8V