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GSM/GNSS 2 click schematic v100 www.mikroe.com MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document. Specification and information contained in the present schematic are subject to change at any time without notice. Copyright©2017 MikroElektronika. All rights reserved. 1 2 3 JP1 D3V3 D5V R7 470 LD1 C16 0.1μF VCC GND GND D5V GND C18 0.1μF C19 10μF D5V VBat R11 120 R12 1k R13 10k FB2 GND GND SPK2N SPK2P GND MCCAP3 MCCAP2 MCCA1 MCCA0 MCCK MCCM0 GPIO1 GPIO2 GNSS_EN 1PPS GPS_TXD GPS_RXD GND SDA SCL GND GND GPS_ANT SIM2_DATA SIM2_CLK SIM2_RST SIM2_VDD SIM2_DET U1B SIM868 GND VBat C22 0.1μF C20 10pF C21 33pF DZ1 R1 R2 Q4 PDTC114EU R1 R2 Q3 PDTC114EU R1 R2 Q2 PDTC114EU GND GND GND LD4 LED YELLOW LD3 LED YELLOW R10 470 R9 470 VBat GNSSVCC RST 1PPS NETLIGHT PWRKEY VCC VDDEXT SIMVDD GND SD_CLK SD_CMD SD_DAT0 DETECT SIM_DAT SIM_RST SIM_CLK GND R1 100k DAT2 CD/DAT3 CMD VCC GND DAT0 DAT1 CD CLK CN1 1046421610 C2 22pF C3 22pF C4 22pF R2 51 R3 51 R4 51 C1 0.1μF SD_DAT2 SD_DAT3 SD_DAT1 VBat GND AN RST CS SCK MOSI MISO +3.3V GND PWM INT RX TX SCL SDA +5V GND MIKROBUS1 GND GND D3V3 D5V RST DETECT RTS RING RXD TXD CTS R1 R2 Q1 PDTC114EU GND LD2 LED YELLOW R8 470 VBat STATUS GND C9 10pF C8 10pF C7 10pF C13 33pF C12 33pF C11 33pF GND VDDEXT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A1 VCCA A2 A3 A4 A5 A6 OE B5 B6 B1 VCCB B2 B3 B4 GND TXB0106 U2 TXB0106 GND VCC VDDEXT #RING #RXD #TXD #RTS #CTS RXD TXD RING RTS CTS C5 10μF C14 10μF C15 10μF AGND AGND S PK+ MIC+ MIC- 4 1 2 3 HD1 C6 10pF C10 33pF GND AGND FB1 CN2 GPS CN3 GNSS GND GND GNSS GSM A1 GND BT AudioR AudioL MIC GND GND GND MIC+ MIC- SPK+ SIM _ CLK SIM_DAT SIM _ RST SIMVDD BT GNSS GSM #RING #RXD #TXD #CTS #RTS UART1_TXD UART1_RXD UART1_RTS UART1_CTS UART1_DCD UART1_DTR UART1_RI GND MICP MICN SPK1P SPK1N GND SIM1_DET SIM1_DATA SIM1_CLK SIM1_RST SIM1_VDD GND BT_ANT GND UART2_TXD UART2_RXD USB_VBUS USB_DP USB_DM GND VRTC RF_SYNC GND GND GSM_ANT GND GPS_VBAT VBAT GND GND ADC PWRKEY VDDEXT NETLIGHT STATUS SIM868 U1A SIM868 6 VIN 2 GND 3 VOUT 4 SHDN 1 GND ADJ 5 U3 MCP1826 STATUS NETLIGHT 1PPS PWRKEY SD_DAT3 SD_DAT2 SD_DAT1 SD_DAT0 SD_CLK S D_C M D #EN #EN R6 100k AUX_RX AUX_TX AUX_RX AUX_TX C25 0.1μF GND C24 470μF C23 470μF VCC RST CLK VPP I/O GND
