资料介绍
mp4原理图1
2
3
4
USB
GPIO19
USB_DET
1
2 R7 33K
R8 VUSB 18K 1 VIN U8 C10 4.7uF CN2 1 2 3 4 5 + 1 2 3 VIN VSS CE VOUT NC 5 4 + C20 10UF C24 100pF C13 105 1.8_EN VDD18 VIN XC6204 1 2 3 VIN VSS CE U9 VOUT NC 5 4 C14 105 VUSB 1 R25 47K 1 R29 15K
Power_Ctrl
NAND FLASH
HGPIO1 POWER_EN
U4 1 2 3 4 5 6 NAND_RDY 7 NAND_XRE 8 NAND_XCE 9 10 11 12 13 14 15 NAND_CLE 16 NAND_ALE 17 NAND_XWE 18 NAND_XWP 19 20 21 22 23 24 NC NC NC NC NC /SE R/nB /RE /CE NC NC VCC VSS NC NC CLE ALE /WE /WP NC NC NC NC NC 512MB FLASH NC NC NC NC IO7 IO6 IO5 IO4 NC NC NC VCC VSS NC NC NC IO3 IO2 IO1 IO0 NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
SENSOR
NAND_DAT 7 NAND_DAT 6 NAND_DAT 5 NAND_DAT4 FMGPIO28 FMGPIO27 FMGPIO26 FMGPIO25
VCC R48 4.7K R49 4.7K
CAM_SD CAM_SCK
SAVDD(2.45~2.85
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