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SIM800L 数据表(PDF) 59 Page - SIMCom |
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SIM800L 数据表(HTML) 59 Page - SIMCom |
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59 / 73 page ![]() Smart Machine Smart Decision SIM800H&SIM800L_Hardware Design_V2.02 59 2015-07-27 6.4 SIM Card Interface Characteristics Table 45: SIM card interface characteristics Symbol Parameter Min Typ Max Unit IIH High-level input current -1.0 - 1.0 uA IIL Low-level input current -1.0 - 1.0 uA 1.4 - - V VIH High-level input voltage 2.4 - - V - - 0.27 V VIL Low-level input voltage 0.4 V 1.62 - - V VOH High-level output voltage 2.7 - - V - - 0.36 V VOL Low-level output voltage - - 0.4 V 6.5 SIM_VDD Characteristics Table 46: SIM_VDD characteristics Symbol Parameter Min Typ Max Unit - 3.0 - VO Output voltage - 1.8 - V IO Output current - - 10 mA 6.6 VDD_EXT Characteristics Table 47: VDD_EXT characteristics Symbol Parameter Min Typ Max Unit VO Output voltage 2.7 2.8 2.9 V IO Output current - - 50 mA 6.7 VRTC Characteristics Table 48: VRTC characteristics Symbol Description Min Typ Max Unit VRTC-IN VRTC input voltage 1.2 2.8 3.0 V IRTC-IN VRTC input current - 3.0 5.0 uA VRTC-OUT VRTC output voltage - 2.8 - V IRTC-OUT VRTC output current - 2.0 mA |
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