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SIM800L 数据表(PDF) 49 Page - SIMCom |
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SIM800L 数据表(HTML) 49 Page - SIMCom |
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49 / 73 page  Smart Machine Smart Decision 4.14.1. PWM Multiplexing Function Table 32: PWM multiplexing function Pin name Pin number Mode 0(default) Mode 1 PWM 26 PWM GPIO16 Note: Multiplexing function need different software supply. 4.15. Network Status Indication Table 33: Pin definition of the NETLIGHT Pin name Pin number Description NETLIGHT 64 Network Status Indication The NETLIGHT pin can be used to drive a network status indication LED. The status of this pin is listed in following table: Table 34: Status of the NETLIGHT pin Status SIM800H&SIM800L behavior Off SIM800H&SIM800L is not running 64ms On/ 800ms Off SIM800H&SIM800L not registered the network 64ms On/ 3000ms Off SIM800H&SIM800L registered to the network 64ms On/ 300ms Off GPRS communication is established Reference circuit is recommended in the following figure: Figure 46: Reference circuit of NETLIGHT SIM800H&SIM800L_Hardware Design_V2.02 49 2015-07-27 |
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