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SIM800H Datasheet(PDF) 17 Page - SIMCom |
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SIM800H Datasheet(HTML) 17 Page - SIMCom |
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17 / 73 page ![]() Smart Machine Smart Decision SIM800H&SIM800L_Hardware Design_V2.02 17 2015-07-27 KBR2 61 O KBR1 60 O KBR0 62 O GPIO GPIO1 3 I/O GPIO2 27 I/O GPIO3 28 I/O Programmable general purpose input and output NETLIGHT 64 O Network status STATUS 4 O Power on status Serial port DTR 69 I Data terminal ready RI 68 O Ring indicator DCD 70 O Data carrier detect CTS 34 O Request to send RTS 33 I Clear to send TXD 32 O Transmit data RXD 31 I Receive data If these pins are unused, keep open. Debug interface VBUS 7 I USB_DP 59 I/O USB_DN 19 I/O Debug and download If these pins are unused, keep open. ADC ADC 50 I 10bit general analog to digital converter If these pins are unused, keep open. PWM PWM 26 O Pulse-width modulation If these pins are unused, keep open. I2C SDA 75 I/O Open drain output SCL 74 O Open drain output If these pins are unused, keep open. SIM card interface SIM_VDD 16 O Voltage supply for SIM card. Support 1.8V or 3V SIM card SIM_DATA 14 I/O SIM data input/output SIM_CLK 55 O SIM clock SIM_RST 15 O SIM reset All signals of SIM interface should be protected against ESD with a TVS diode array. SIM_DET 54 I SIM card detection If these pins are unused, keep open. Antenna interface GSM_ANT 40 I/O Connect GSM antenna BT_ANT 36 I/O Connect Bluetooth antenna Only SIM800H FM_ANTP 17 I Differential antenna for FM |
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