BF OV2640摄像头驱动板参考设计

C
PPI_CMOS_Y2 PPI_CMOS_Y1 PPI_CMOS_Y3 PPI_CMOS_Y0 PPI_CMOS_Y4 PPI_CMOS_Y5 PPI_CMOS_Y6 PPI_CMOS_Y7 VCC C1 0.1uF
GND PCLKOUT HREF VSYNC
C2 0.1uF
A N E
1 10uF C13 0.1uF 1 10uF 0.01uf 10uF E1 C3 GND 10uF 0.1uF C4 R3 4 0.1uF
1
2
3
JP1 CMOS0_HREF 5V D I2C_SDA I2C_SCL CMOS_Y1 CMOS_Y3 CMOS_Y4 CMOS_Y6 /RESET 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19
GND VCC CMOS0_VSYNC CMOS0_CLK VCC CMOS_245_OE CMOS_Y0 CMOS_Y2 CMOS_Y5 CMOS_Y7 E5 3 VR3 VIN LD1117_1.8V GND VOUT 2 E6 C14 1.8V VCC 3
VR1 IN
LM1117MPX_ADJ 1.3V GND OUT 2 R2 100 E2 C5
HEADER 10x2
模块接口定义
VCC U2 CMOS_Y2 CMOS_Y1 CMOS_Y3 CMOS_Y0 CMOS_Y4 CMOS_Y5 CMOS_Y6 R1 CMOS_Y7 10K GND 2 3 4 5 6 7 8 9 A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 18 17 16 15 14 13 12 11
P O
1 19 DIR OE 74LVC245 U3 CMOS0_CLK B 2 3 4 CMOS0_HREF 5 CMOS0_VSYNC 6 7 8 9 A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 18 17 16 15 14 13 12 11 GND GND 1 GND CMOS_245_OE 19 DIR OE VCC 74LVC245 GND TP1 1 Y0 TP2 1 Y1 TP3 1 Y2 TP4 1 Y3 TP5 1 Y4 TP6 1 Y5 PPI_CMOS_Y0 PPI_CMOS_Y3 A PPI_CMOS_Y1 PPI_CMOS_Y4 PPI_CMOS_Y2 PPI_CMOS_Y5 1
Y9 Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
G6 F5 G5 E5 G4 F4 G3 F3 E1 E2
PPI_CMOS_Y7 PPI_CMOS_Y6 PPI_CMOS_Y5 PPI_CMOS_Y4 PPI_CMOS_Y3 PPI_CMOS_Y2 PPI_CMOS_Y1 PPI_CMOS_Y0
时钟
PCLK
R7 33
PCLKOUT
VREFN
VREFH
EXPST_B
PWDN
C12 22p
B
2.75V 1.8V
C15 0.1uF
C16 0.1uF
C17 0.1uF
GND C10 0.1uF R10 5.1k R11 5.1k VCC
GND
GND
GND
C9 0.1uF
OV2640_VL9A
复位
感光片
0.01uF
电源模块
GND
U1
A2 EXPST_B VREFN A5 A6 B2 PCLK E3 PWDN B6 HREF C3 MCLK C4 VREFH C5 VSYNC D2 I2C_SCL C1 I2C_SDAC2 RESETC6 A3 A4 G2 E6 E4 A1
EXPST_B VREFN STORBE FREX PCLK PWDN HREF XVCLK VREFH VSYNC SIO_D SIO_C
MCLK R6 33
NC
D6
RESETB AGND SGND DGND DGND EGND DOGND
AGND
GND
DVDD DVDD EVDD EVDD SVDD SVDD AVDD DOVDD
F6 F2 F1 G1 B5 B4 B3 B1
1.3V
1.8V
2.75V
1.3V
P S D
4 VR2 IN LM1117MPX_ADJ OUT 2 5V 2.75V GND 3 1 R4 100 E4 10uF C8 0.1uF D E3 10uF C6 0.1uF C7 0.1uF R5 120 GND Y1 C11 22p 3 4 OUT VCC GND NC 2 1 C GND VCC 24M GND
GND
GND
VCC
GND RESET
R9 5.1k R8 0
/RESET
TP7 1 Y6 TP8 1
TP9 1
PPI_CMOS_Y6
PCLK
PCLK TP10 1 HREF TP11
测试点
TP13
VCC
3V3
PPI_CMOS_Y7
Leabharlann Baidu
HREF
L1
Title Size A4
Cmos Card Number 1 Revision 1.1V
A
Y7 TP12 1 SDA I2C_SDA
GND I2C_SCL
Bead
AGND
1 VSYNC 2
VSYNC
1 SCL
Date: File: 3
11-Mar-2011 Sheet of 1 G:\20100730交接\2006年项目\CMOS\200万像素\20080722CMOS200\DM-KIT-EXBCMOS-200mp_V0.0\DM-KIT-EXBCMO Drawn By: Jack 4