v3电路原理IO_REG IO_REG BATTERY 3 4 PIN3 PIN4 PIN1 PIN2 1 2 SIM BLOCK SIM_CLK 0687765N01 JTAG TESTPOINTS RESETB TDO TDI HS_INT U1401 R7616 47K 0662057N15 SIDE 1 R1201 100 J_BATT C1425DNP ground KEYBOARD CONNECTOR J_KEYBRD 0989851N02 3989906N01 VR1205 C1427DNP D1426 0662057M50 TDI TDO E_SIM_RST BP ground RESETB RST CLK VSIM_1 IO_REG 4809788E17 1 2 3 TMS TCK VSIM DSP_DEB SIM_RST ground G4 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 G3 49 47 45 43 41 39 37 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 G1 0989851N02 C1409DNP R1200 4.7K 0662057M90 J_SIM CONTACT VR1204 0687765N01 RESET_OUT_2_7V BB_SPI_MISO BB_SPI_MOSI BB_SPI_CLK BB_SPI_CS6 GA_INT LCD_SDATA LCD_RS LCD_DATA3 LCD_DATA5 C1 A1 C3 A3 RTC_BATT ground TCK TMS VSIM_2 BP RTC_BAT……