12345678VCC_3.3VU101VCC3V3GNDGB1287_SCK2RSTP0_53GNDGNDTX4GB1287_MISOP2_2RXGB1287_MOSI5P2_1V5VA109876GNDGB1287_NSSR20RR30RVCC_5VGNDGB1287_DID0GB1287_RESETR271VCC_3.3VA292827U14AVDDAVDDREF_NCC2510XOSC32_O2DCOUPLXOSC32_O1306SCL54SDAK1GND1X2X1C171GNDC201C211GNDBC301GNDREF_PAVDDXOSC_O2XOSC_O1AVDD2625242322C241C231R6C232GNDC233GNDC234GNDR1C242R5GNDE1ANTENNAAVDD_DREG29210GPRS_RIGPRS_DTRGB1278_DIO0GB1278_DIO1GB1278_DIO2SWCLKGB1278_DIO5GB1278_SCKGB1278_MISOGB1278_MOSIGB1278_NSSGB1278_RESETVCC_3.3VDVDDDVDDR71KVCC_3.3VGNDGNDADDRU1123GND264636261605958575655545352515049VCCSCLADDRDVIGNDSDAU131817GUARD2024RBIASGNDGNDBC6410pFY332.768KHZINT1_XM12345678910111213141516VBATP13P14P15PH0PH1NRSTPC0PC1PC2PC3VSSA/VREF-VDDA/VREF+PA0PA1PA2VDDVSSPA13PA12PA11PA10PA9PA8PC9PC8PC7PC6PB15PB14PB13PB1248474645444342414039383736353433VCC_3.3VSWDIOGPRS_TXGPRS_RXGPRS_DIO4GPRS_DIO3GPRS_ENGPRS_RSTAST9D01_READYAST9D01_SPI3_MOSIAST9D01_SPI3_MISOAST9D01_SPI3_CLKAST9D01_RSTAST9D01_SPI_CSGNDVDDVSSPB9PB8BOOT0PB7PB6PB5PB4PB3PD2PC12PC11PC10PA15PA14C181GNDU32123654C1510pFGNDY116MHZNRSTCS_BAROINT_BAROSPI1_MISOSPI1_MOSIGNDVCC_3.3VSPI1_CLKINT2_XMUSART_2TXGPRS_ANTGNDGNDGND21U34SIM808PA3VSSVDDPA4PA5PA6PA7PC4PC5PB0PB1PB3PB10PB11VSSVDDC6610pFGNDC6510pFSTM32GNDGNDVCC_3.3VU6C8GND100nFR641KGNDD1LEDGNDVBAT1234567891011121314151617GPRS_ENGNDGNDGSM_RF_INGNDGNDRF_SYNSCOL0COL1COL2COL3ROW0ROW1ROW2ROW3GNDANT_BTGND6867666564636261605958575655545352VCC_3.3VR554.7K5150494847464544434241403938373635GNDR53R544.7KGPRS_STATUSQ2MMBT3904CVCC_3.3VSPI_MISOGNDC10100nFGND1234nCSDOnWPGNDVCCnHOLDCLKDI876SPI_CLK5SPI_MOSIGNDLCD_SDALCD_SCLKLCD_A0/RSLCD_RESLCD_CS1GNDGNDVCC_3.3VC674.7uFQ3R56MMBT3904GPRS_DTRR57GPRS_RIR58100R100R1KW25QxXVSSIVCC_3.3VU41A02A13A24GNDGNDVCC_3.3V8VCC7WP6SCL5SDAVCC_3.3VGNDP1_5_I2C_SCLP1_6_I2C_SDAGNDGNDMIC1PMIC1NSPK1PSPK1NADC1ADC2VBUSUSB_DPUSB_DMGNDSIM_VDDSIM_DATASIM_CLKSIM_RSTSIM_PREGNDGPRS_TXR59GPRS_RXR60GPRS_RSTR61100R100R100RGNDGNDGNDGNDVBATVBATVBATVDD_EXTPWRKEYDTRRIDCDCTSRTSTXDRXDRESETVRTCGNDNETLIGHTSTATUSPCM_OUTPCM_INPCM_CLKPCM_SYNCGPIO6GPIO5PWM1PWM2GNDSCLSDA1PPSGNDGPS_RF_INGPRS_STATUSCS_GUSART_2RX17181920242223242526272829303132CGNDGNDU3312GPS_ANTAT24C512CGND28Y232.768KHZC510pFGNDVCC_3.3VP1_7_RTC_INTR410KU21234CIVDDCOCLKINTSCLVSSSDAPCF8563GND8765P1_5_I2C_SCLP1_6_I2C_SDAR1010KR1110KtCOMRT113645MG81123U11CA31406C4104238C310pFVCC_3.3V+6VR910k7GNDU12ALM3931DOUTC2104GNDGNDGNDSIM_VDDSIM_SDATASIM_SCLKSIM_RESTC110nFGND+6V20kGND+6VGND1819202422232425262728293031323334R8RP1103N1[0..9]14GNDGNDRP21045DR1210K4DTitleSizeA3Date:File:2024/10/13F:\\MySheJiSheJi\\..\\总图.SchDoc7Sheet ofDrawn By:8NumberRevision123456
基于STM32的SIM808模块GSM系统
