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Switching on the power switch to supply power to USB_VBUS will wake up the module.
NOTE
Please pay attention to the level match shown in dotted line between the module and the host.
3.5.2. Airplane Mode
When the module enters airplane mode, the RF function does not work, and all AT commands correlative with RF
function will be inaccessible. The mode can be set via AT+CFUN=<fun> command. The parameter <fun>
indicates the module's functionality levels, as shown below.
⚫ AT+CFUN=0: Minimum functionality mode. Both (U)SIM and RF functions are disabled.
⚫ AT+CFUN=1: Full functionality mode (by default).
⚫ AT+CFUN=4: Airplane mode. RF function is disabled.
3.6. Power Supply
3.6.1. Power Supply Pins
The module provides seven VBAT pins for connection with an external power supply.
⚫
Three VBAT_BB pins for module's baseband part.
⚫
Four VBAT_RF pins for module's RF part.
Table 7: VBAT and GND Pins
Pin Name
Pin No.
VBAT_BB
241, 242, 244
109, 111, 112, 114
VBAT_RF
235, 236, 238, 239
12, 18, 26, 33, 42, 86, 92, 98, 115, 117, 118, 120, 121, 124–131,133–135, 137, 138, 140, 141,
144–151,153, 155, 156, 158, 159, 160, 162, 164, 165, 167, 168, 171–174,176, 177, 180, 182,
GND
183, 185, 186, 189, 191, 192, 194, 195, 198, 199, 201–203, 206, 208, 209, 211, 212, 215, 217,
218, 220, 221, 230, 232, 233, 234, 237, 240, 307–400
AG521R-NA_QuecOpen_Hardware_Design
Figure 6: Sleep Mode Application without Suspend Function
Description
Power supply for the
module's baseband part
Power supply for the
module's RF part
Automotive Module Series
AG521R-NA QuecOpen Hardware Design
Min.
Typ.
3.3
3.8
3.3
3.8
Max.
Unit
4.3
V
4.3
V
40 / 92
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