MTK平台,M621762186219线路图

TOP857A-MAIN-原理图1

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3
GPIO42_CAMERA_READY_MFIQ 2 EINT0_HEADSET 2 EINT1_CLAMSHELL 4 EINT2_CHARGER 4 EINT3_USB

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GPIO41_CAMERA_READY_MFIQ 4 Baseband sigma-Delta Clock, 13MHz test point ESDM_13MHZ ED[0..15] ED0 ED1 ED2 ED3 ED4 ED5 ED6 ED7 ED8 ED9 ED10 ED11 ED12 ED13 ED14 ED15 TP100 3 GPIO20_CAMERA_CS2 GPIO19_BE_BYPASS 4 GPIO16_USB_EN 4 GPIO17_VIB_EN 4 PWM1_MAIN_LCM_BL 4 PWM2_SUB_LCM_BL KP_BL_PWM 4 Watchdog reset output R16 R15 T19 T17 U19 U18 V18 W19 U17 V17 W17 T16 W16 T15 U15 V15 P19 N15 N16 N17 N18 N19 M16 M17 M18 R18 P16 P17 V2 W1 U3 V1 R17 R5 D15 K3 K4 J3 J2 J1 R3 R2 T4 8 7 6 5

A

A

3 3 3

USB_DM USB_DP /WATCHDOG

VDD

U100A

RN100 100K D19 D16 E18 E17 E16 F19 F18 F17 F16 F15 G19 G18 G17 M5 M4 M3 N5 N4 N3 N2 N1 P5 P4 P3 P2 P1 R4 Nand Nand Nand Nand Nand Nand Nand Nand flash flas