mtk6219原理图1 2 3 4 5 6 7 8 9 10 2 4 2 EINT0_HEADSET EINT1_CLAMSHELL EINT2_CHARGER 3 EINT3_USB 3 MCINS 3 MCWP 3 MCCK 3 MCDA3 3 MCDA2 3 MCDA1 3 MCDA0 3 MCCM0 3 USB_DM 3 USB_DP /WATCHDOG P19 N15 N16 N17 N18 N19 M16 M17 M18 SD card detect input SD write protect input SD(or memory) serial clock Baseband sigma-Delta Clock, 13MHz test point ESDM_13MHZ TP100 ED[0..15] 3 GPIO20_CAMERA_CS2 LSCE0B LSCK LSA0 LSDA 4 4 4 4 4 H H 8 7 6 5 RN102 100K (8P4R) 1 2 3 4 ED0 ED1 ED2 ED3 ED4 ED5 ED6 ED7 ED8 ED9 ED10 ED11 ED12 ED13 ED14 ED15 V2 W1 U3 V1 R17 R5 D15 R18 P16 P17 R16 R15 T19 T17 U19 U18 V18 W19 U17 V17 W17 T16 W16 T15 U15 V15 IBOOT TESTMODE 3 MCINS GPO1_OP_ON 3 PWM1_MAIN_SUB_LCM_BL PWM2_WHITE_LIGHT 4 KP_BL_PWM K3 K4 J3 J2 J1 R3 R2 T4 LSCE1B/GPIO20/LPCE2B LSCE0B/GPIO19 LSCK/GPIO16/TBTXEN ……