5G Module Series
RM510Q-GL Hardware Design
RM510Q-GL_Hardware_Design 50 / 88
4.5.4. WAKE_ON_WAN#
The WAKE_ON_WAN# is an open drain pin, which requires a pull-up resistor on the host. When a URC
returns, a 1 s low level pulse signal will be outputted to wake up the host. The module operation status
indicated by WAKE_ON_WAN# is shown as below.
Table 24: State of the WAKE_ON_WAN#
Host
Module
WAKE_ON_WAN#
BB
GPIO
23
VCC_IO_HOST (Typ. 1.8 V or 3.3 V)
Note.
The voltage level VCC_IO_HOST depends on the host side due to open drain in pin23.
Wake up the host
1s
H
L
R1
10k
Figure 26: WAKE_ON_WAN# Signal Reference Circuit
4.5.5. DPR*
The module provides the DPR (Dynamic Power Reduction) pin for body SAR (Specific Absorption Rate)
detection. The signal is sent from a host system proximity sensor to the module to provide an input trigger,
which will reduce the output power in radio transmission.
High Level (LED OFF)
RF function is turned off if any of the following occurs:
⚫
The (U)SIM card is not powered.
⚫
W_DISABLE1# is at low level (airplane mode enabled).
⚫
AT+CFUN=4
(RF function disabled).
WAKE_ON_WAN# State
Module Operation Status
Output a 1 s low level pulse signal
Call/SMS/Data is incoming (to wake up the host)
Always at high level
Idle/Sleep