Sleep_Ind - Quectel UC20 Manual

STATUS
Module

3.16.2. SLEEP_IND

The SLEEP_IND is an indicated pin for judging whether the module is in sleep mode or not. When the
module enters into the sleep mode, the SLEEP_IND will output a logic high level. So you can use the
SLEEP_IND for low current indication. The following table shows the pin definition of SLEEP_IND.
Table 22: Pin Definition of SLEEP_IND
Pin Name Pin No.
SLEEP_IND 3
UC20_Hardware_Design
VDD_MCU
10K
MCU_GPIO
Figure 32: Reference Circuit of the STATUS
I/O Description
DO Indicate the sleep status.
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
2.2K
STATUS
Module
Comment
1.8V power domain.
Outputs high level when the
module is in sleep mode.
VBAT
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