MeiG_SLM156_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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Flicker quickly (125ms On/125ms Off) Data transmission mode
High level
Voice calling
Users can design schematic diagram using sink current, the reference circuit is as follows:
2K
VBAT
NET_STATUS
Figure 11 Reference Circuit of Network Indication
GPIO controlled can also be used, the other reference circuit is shown as follows:
Figure 12 Reference Circuit of Network Indication
3.13 Status Indicaiton
STATUS pin is used to indicate the working state of the module, when the module is turned on normally,
STATUS outputs low level.
Table 15 STATUS pin definition
Pin name
Pin number
Description
I/O
Note
STATUS
39
Indicate working status
of the module
DO
1.8V power domain