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SIM800L 数据表(PDF) 69 Page - SIMCom |
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SIM800L 数据表(HTML) 69 Page - SIMCom |
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69 / 73 page ![]() Smart Machine Smart Decision SIM800H&SIM800L_Hardware Design_V2.02 69 2015-07-27 II. Multiplexing Function Table 60: Multiplexing function Pin name Reset Pin number Mode 0(default) Mode 1 Mode 2 Mode 3 STATUS I/PD 4 STATUS GPIO4 SIM_DET I/PD 54 SIM_DET GPIO5 EINT7 KBC0 I/PU 20 KBC0 GPIO6 - - KBC1 I/PD 25 KBC1 GPIO7 - - KBC2 I/PD 22 KBC2 GPIO8 - - KBC3 I/PD 21 KBC3 GPIO9 - - KBC4 I/PD 24 KBC4 GPIO10 EINT1 UART2_DCD KBR0 LO 62 KBR0 GPIO11 - - KBR1 I/PD 60 KBR1 GPIO12 - - KBR2 I/PD 61 KBR2 GPIO13 - - KBR3 I/PD 23 KBR3 GPIO14 - - KBR4 I/PD 63 KBR4 GPIO15 EINT3 UART2_RI PWM I/PD 26 PWM GPIO16 EINT0 - NETLIGHT I/PD 64 NETLIGHT GPIO17 - - PCM_CLK I/PD 29 PCM_CLK DISP_RST SD_CMD GPIO18 PCM_OUT I/PD 30 PCM_OUT DISP_DI SD_DATA3 GPIO19 PCM_SYNC I/PD 65 PCM_SYNC DISP_CS SD_CLK GPIO20 PCM_IN I/PD 66 PCM_IN DISP_DATA SD_DATA2 GPIO21 GPIO1 X 3 - - - - GPIO2 X 27 GPIO2 DISP_D/C SD_DATA0 - GPIO3 X 28 GPIO3 DISP_CLK SD_DATA1 - DTR I/PD 69 DTR GPIO22 EINT8 - RI I/PD 68 RI GPIO23 - UART2_RTS DCD I/PD 70 DCD GPIO24 - UART2_CTS CTS I/PD 34 CTS - - UART2_RXD RTS I/PD 33 RTS - - UART2_TXD TXD HO 32 TXD UART1_TXD - - RXD I/PD 31 RXD UART1_RXD EINT4 - SCL I/PD 74 SCL GPIO25 - - SDA I/PD 75 SDA GPIO26 - - Note: Multiplexing function need different software supply. |
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