全志A13原理图(Q8)讲解

5 4 3 2 1 MISC CSI CSI-IOVDD CSI-IOVDD R171 10K R0402 3 CSI-RST 2 CSI-STY R172 10K R0402 USB-OTG VCC-3V3 U24 CSI-IOVDD VCC-3V3 USBVBUS R170 此电阻为限流电阻，I=6800/OR4 USBVBUS 47K OU2 R0402 VCC-5V 5 1 IN OUT USB0-DRV 1 2 3 CSI-PW R-EN C267 4.7uF C0603 VIN GND CE VOUT 5 OC1 104 C0402 C26

6 4.7uF C0603 2 2 DM0 DP0 3 FB 4 2,3 USB0-DRV 2 USB0-VBUSDET 2 USB0-IDDET P1 USBVBUS DM0 DP0 USB0-IDDET NC-ESD9B5VL-2/TRESD0402 NC-ESD9B5VL-2/TRESD0402 NC-ESD9B5VL-2/TRESD0402 NC-ESD9B5VL-2/TRESD0402 USBVBUS DM0 DP0 USB0-IDDET LP3992-28B5F SOT-23-5 Differential pairs Z0= 90 ohm 4 EN D OR3 510K R0402 3 ISET OR4 10K-1%

HE1103G5F R0402 SY6280 USB0-VBUSDET SOT-23-5 C271 104 C0402 GND GND PCB layout时CSI-AVDD电源要与CSI-IOVDD在LDO引脚处分别走线，防止相互干扰 GND R173 47K R0402 C268 C269 104 4.7uF C0402 C0603 R174 100K R0402 1 2 3 4 5 6 7 10 11 2 VBUS DD+ ID GND SHIELD1 SHIELD2 SHIELD3 SHIELD4 USB-MINI-SOCKET JS-MR1-4036 D J12 CSI-AVDD 2 TW I2-SDA 2 TW I2-SCK 2 CSI-VSYNC CSI-DVDD CSI-IOVDD 2 CSI-HSYNC CSI-RST CSI-STY 2 CSI-MCLK

2 CSI-D7 2 CSI-D6 2 CSI-D5 2 CSI-D4 2 CSI-PCLK 2 2 2 2 CSI-D0 CSI-D

3 CSI-D1 CSI-D2 NC W IFI11N GND R176 C

4 3 2 1 RN14 33RX4 RN0402A

5

6

7

8 VCC-3V3 U25 CSI-DVDD USB-WIFI GND U2

9 R181 PA-SHDN 10K R0402 C279 1uF C0402 IPSOUT C 1 2 3 CSI-PW R-EN C276 4.7uF C0603 VIN GND CE VOUT 5 C272 OC3 4.7uF 104 C0603 C0402 3 25 26 GND GND FB 4 GC20 5 6 7 8 GC19 GND C277 104 C0402 C278 10uF C0805 NC R175 33R R0402 4 RN13 3 2 33RX4 1 33R R0402

RN0402A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 NC AGND SIO_D AVDD(NC SIO_C RESET VSYNC PWDN HREF DVDD(NC DOVDD Y9 XCLK Y8 DGND Y7 PCLK Y6 Y2 Y5 Y3 Y4 NC1 NC2 AGND1 AGND2 CSI-AVDD FB1 600R-100M L0603 GND ANT GND GND 靠近主控IC摆放 GND GND C270 OC2 4.7uF 104 C0603 C0402 6 6 2 1 D26 D27 D28 + - W IFI-3V3 P4 DM1 DP1 1 DM1 2 DP1 3 4 VBUS D- NC2 D+ NC1 GND ANT NC 8 7 6 5 CN3 ANT CON2 ANT

NC/0R GR20 ANT2 TP LP3992-18B5F SOT-23-5 R185 HPIN 20K R0402 CON24PIN 3 C295 NC/104 GND C0402 Q6 MMBT3904 SOT-23 1 2 3 4 SHDN# BYPASS NC INLM4890 R188 VO2 GND VDD VO1 MSOP8 8 7 6 5 D29 GND FB3 C281 600R-100M 2.2uF L0603 C0603 GND 2 1 + - https://www.360docs.net/doc/9411785658.html,YOUT时，请保证摄像头成像方向与LCD显示一致 B.若选用其他模组，请检查CSI-IOVDD,CSI-AVDD,CSI-DVDD的

具体电压值以及负载能力能够满足 CN2 SPEAKER CON2 1 R186 510K R0402 20K R0402 102 C0402 2 GND GND GND HPL C282 224 C0402 R187 20K R0402 C283 HEADPHONE & SPEAKER 2 PA-SHDN HPIN 2 4 5 3 1 J4 PCB上可以双layout GND PJ-381 2,5 TW I1-SCK 2,5 TW I1-SDA C143 224 C0402 R62 20K R0402 HPR NC-ESD9B5VL-2/TRESD0402 NC-ESD9B5VL-2/TRESD0402 NC-ESD9B5VL-

2/TRESD0402 2 2 HPL HPR 2 HPCOM B NC-ESD9B5VL-2/TRESD0402 R182 22R

R0402 R183 22R R0402 R184 22R R0402 B G-SENSOR VCC-3V3 C284 104 C0402

C285 104 C0402 C286 104 C0402 D21 D22 D23 D24 U30 GND 1 2 3 4 5 11 GND RESERVED NC2 NC1 SVDD AVDD DVSS AVSS SDA INT SCL NC3 NC4

MMA7660FC MMA7660 10 9 8 7 6 12 TW I1-SDA TW I1-SCK MOTOR VCC-3V3 SP1 MOTOR 10R R0805 + D25 NC-ESD9B5VL-2/TR ESD0402 VCC-3V3 NSR4 10K

0.19V R191 6K8-1% R0402 R192 0.39V 8K2 R0402 R196 0R R0402 UBOOT 2 TW I1-SCK R0402 2 MT-EN AVCC R197 2 A 1 R200 1K5 R0402 R201 10K R0402 3 2 Q7 MMBT3904 SOT-23 MIC 2K R0402 C289 4.7uF C0603 C293 104 C0402 R199 4K3

R0402 C294 102 C0402 KEY R190 100K-1% R0402 C291 102 C0402 振动马达 GND GND R198 M - 12 SCX C292 4.7uF C0603 2 MICIN1 2 MICM U31 11 VMIC A PS 3 1 3 1 MIC1 1 2 + - K1 VOL+ IT_1207SMD K2 VOLIT_1207SMD TW I1-SDA VCC-3V3 C288 104 C0402 1 2 3 4 INT1 INT2 Micphone MIC_450X250 GND 2 LRADC SDO SDI VDIO NC CSB GND GNDIO VDD 10 9 8 7 VCC-3V3 GND C290 104 C0402 4 2 4 2 Title APP3_PAD_DDR3 Size A3 Date: Document Name MISC Sheet 1 BMA250 LGA12 GND 5 6 Rev 6 of 6 GND GND 右上方放置PIN1脚，与屏平行放置，放在

屏的左上方 3 2 5 4