ov7620_内部原理图
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1
2
3
4
A
N0Y0 Y0 N0Y1 Y1 N0Y2 Y2 N0Y3 Y3 N0Y4 Y4 N0Y5 Y5 N0Y6 Y6 N0Y7 Y7 N0PCLK PCLK P0C402 P0C302 N0AVDD AVDD
N0Y0 Y0 N0Y2 Y2 N0Y4 Y4 N0Y6 Y6 N0PWDN PWDN N0SDA SDA N0SCL SCL N0AGND AGND N0AGND AGND N0EXCLK EXCLK N0AGND AGND N0UV0 UV0 N0UV2 UV2 N0UV4 UV4 N0UV6 UV6
N0AVDD AVDD
C
P0R202
R6 Res2 P0R602 P0R601 75 Jmp3
P0Jmp301 P0Jmp302
HREF C8 N0FODD FODD Cap 0.1uF P0C801 P0C802 N0VSYNC VSYNC N0AGND AGND C12 Cap N0AVDD AVDD P0C1201 P0C1202 N0VTO VTO 0.01uF C11 Cap
P0ov662002 N0Y1 P0ov662001 1 2 Y1 Y0 Y1P0ov662004 Y3 P0ov662003 3 Y2 Y3 4 N0Y3 P0ov662005 5 Y4 Y5P0ov662006 Y5 6 N0Y5 P0ov662008 N0Y7 P0ov662007 7 8 Y7 Y6 Y7 10 RESET P0ov6620010 N0RESET 9 P0ov662009 RESET 12 N0FODD PWDN 11P0ov6620011 P0ov6620012 FODD SDAP0ov6620014 N0HREF FODD P0ov6620013 13 14 HREF SCL HREF 16 VSYNC P0ov6620016 N0VSYNC 15 P0ov6620015 VSYNC 18 N0PCLK AGND 17 P0ov6620017 P0ov6620018 PCLK AGND PCLK N0POWER 19 P0ov6620019 P0ov6620020 Power 20 EXCLK 22 21 P0ov6620021 5vP0ov6620022 AGND 5v 23P0ov6620023 P0ov6620024 UV1 24 N0UV1 UV0 UV1 26 N0UV3 25P0ov6620025 P0ov6620026 UV3 UV2 UV3 28 N0UV5 27P0ov6620027 P0ov6620028 UV5 UV4 UV5 30 N0UV7 29P0ov6620029 P0ov6620030 UV7 UV6 UV7 32 N0VTO 31P0ov6620031 P0ov6620032 VTO GND VTO
P0ov6620030
B
2
P0Y101
Y1 XTAL Res2
N0EXCLK EXCLK
Res2 R1 1M
Cap 12p C2
P0C201 P0C202
Cap 12p
C18 N0AGND Cap AGND 0.1uF
N0POWER Power
L1
P0L101 P0L102 P0C902 P0C901
N0HREF P0C1101 P0C1102
P0C1001 P0C1002
P0C1501 P0C1502
N0AGND AGND
C10 Cap 0.1uF
C9 Comment
P0C1901 P0C1902
P0C701 P0C702
Inductor 10uH
C7 Cap 0.1uF
C15 Cap 0.1uF
C4 Cap 0.01uF ov6620
C3 Cap 0.01uF ov6620 C1
P0Y102 P0C101 P0R102 P0C102
P0C401
P0C301
ov6620
P0C1601 P0C1602
P0C1702 P0C1701
N0AVDD AVDD
Jmp1
P0Jmp101
7 P0ov662007 AGND 8 P0ov662008 AVDD 9 P0ov662009 PWDN 10 P0ov6620010 VRCAP1 11 P0ov6620011 VRCAP3 12 P0ov6620012 IICB 13 P0ov6620013 VTO 14 P0ov6620014 ADVDD 15 P0ov6620015 ADGND 16 P0ov6620016 VSYNC/CSYS 17 P0ov6620017 FODD/CLK 18 P0ov6620018 HREF/VSFRAM
DGND 30 P0ov6620029 29 DVDD 28 P0ov6620028 XCLK2 27 P0ov6620027 XCLK1 26 UV0 P0ov6620026 N0UV0 UV0/GAMMA P0ov6620025 N0UV1 25 UV1 UV1/CCIR656 24 UV2 P0ov6620024 N0UV2 UV2/QCIF 23 UV3 P0ov6620023 N0UV3 UV3 P0ov6620022 N0UV4 22 UV4 UV4 21 UV5 P0ov6620021 N0UV5 UV5/MIR 20 UV6 P0ov6620020 N0UV6 UV6ABKEN 19 UV7 P0ov6620019 N0UV7 UV7/B8
C16 C17 Cap Cap 0.01uF 0.1uF
RESET
N0RESET
P0Jmp102
P0R101
1
ቤተ መጻሕፍቲ ባይዱ
N0AGND AGND
P0C1801 P0C1802
43 P0ov6620043 DEGND 44 P0ov6620044 P0ov6620045 45 DEVDD 46 SCL P0ov6620046 SDA 47 P0ov6620047 MULT 48 P0ov6620048 SGND 1 P0ov662001 SVDD 2 P0ov662002 RESET 3 P0ov662003 AGCEN 4 P0ov662004 FREX 5 P0ov662005 N0AGND AGND VRCAP2 6 P0ov662006 ASUB
D
\ov7620.SchDoc
C19 Cap 0.01uF N0AGND AGND
C
P0R201
R2 Res2
Res2
N0AVDD AVDD
0.1uF
N0PWDN PWDN N0AVDD AVDD N0AGND AGND
D
Title Size A4 Date: File: 1 2 3 Number 2010-8-12 E:\ov\mega16_ls00 Sheet of Drawn By: 4 Revision
A
P0R302
N0AVDD AVDD
B
P0ov6620042
P0R301
R3 Res2
N0AGND AGND N0AVDD AVDD N0SCL SCL N0SDA SDA
42 BW/CHSYNC P0ov6620041 41 CBAR/Y0 P0ov6620040 40 Y1 P0ov6620039 39 G2X/Y2 P0ov662003838 RGB/Y3 P0ov6620037 37 CS1/Y4 P0ov6620036 36 SHARP/Y5 P0ov6620035 35 CS2/Y6 P0ov6620034 34 CS0/Y7 P0ov6620033 33 PWDB/PCLK P0ov662003232 DOVDD P0ov6620031 31 DGND
2
3
4
A
N0Y0 Y0 N0Y1 Y1 N0Y2 Y2 N0Y3 Y3 N0Y4 Y4 N0Y5 Y5 N0Y6 Y6 N0Y7 Y7 N0PCLK PCLK P0C402 P0C302 N0AVDD AVDD
N0Y0 Y0 N0Y2 Y2 N0Y4 Y4 N0Y6 Y6 N0PWDN PWDN N0SDA SDA N0SCL SCL N0AGND AGND N0AGND AGND N0EXCLK EXCLK N0AGND AGND N0UV0 UV0 N0UV2 UV2 N0UV4 UV4 N0UV6 UV6
N0AVDD AVDD
C
P0R202
R6 Res2 P0R602 P0R601 75 Jmp3
P0Jmp301 P0Jmp302
HREF C8 N0FODD FODD Cap 0.1uF P0C801 P0C802 N0VSYNC VSYNC N0AGND AGND C12 Cap N0AVDD AVDD P0C1201 P0C1202 N0VTO VTO 0.01uF C11 Cap
P0ov662002 N0Y1 P0ov662001 1 2 Y1 Y0 Y1P0ov662004 Y3 P0ov662003 3 Y2 Y3 4 N0Y3 P0ov662005 5 Y4 Y5P0ov662006 Y5 6 N0Y5 P0ov662008 N0Y7 P0ov662007 7 8 Y7 Y6 Y7 10 RESET P0ov6620010 N0RESET 9 P0ov662009 RESET 12 N0FODD PWDN 11P0ov6620011 P0ov6620012 FODD SDAP0ov6620014 N0HREF FODD P0ov6620013 13 14 HREF SCL HREF 16 VSYNC P0ov6620016 N0VSYNC 15 P0ov6620015 VSYNC 18 N0PCLK AGND 17 P0ov6620017 P0ov6620018 PCLK AGND PCLK N0POWER 19 P0ov6620019 P0ov6620020 Power 20 EXCLK 22 21 P0ov6620021 5vP0ov6620022 AGND 5v 23P0ov6620023 P0ov6620024 UV1 24 N0UV1 UV0 UV1 26 N0UV3 25P0ov6620025 P0ov6620026 UV3 UV2 UV3 28 N0UV5 27P0ov6620027 P0ov6620028 UV5 UV4 UV5 30 N0UV7 29P0ov6620029 P0ov6620030 UV7 UV6 UV7 32 N0VTO 31P0ov6620031 P0ov6620032 VTO GND VTO
P0ov6620030
B
2
P0Y101
Y1 XTAL Res2
N0EXCLK EXCLK
Res2 R1 1M
Cap 12p C2
P0C201 P0C202
Cap 12p
C18 N0AGND Cap AGND 0.1uF
N0POWER Power
L1
P0L101 P0L102 P0C902 P0C901
N0HREF P0C1101 P0C1102
P0C1001 P0C1002
P0C1501 P0C1502
N0AGND AGND
C10 Cap 0.1uF
C9 Comment
P0C1901 P0C1902
P0C701 P0C702
Inductor 10uH
C7 Cap 0.1uF
C15 Cap 0.1uF
C4 Cap 0.01uF ov6620
C3 Cap 0.01uF ov6620 C1
P0Y102 P0C101 P0R102 P0C102
P0C401
P0C301
ov6620
P0C1601 P0C1602
P0C1702 P0C1701
N0AVDD AVDD
Jmp1
P0Jmp101
7 P0ov662007 AGND 8 P0ov662008 AVDD 9 P0ov662009 PWDN 10 P0ov6620010 VRCAP1 11 P0ov6620011 VRCAP3 12 P0ov6620012 IICB 13 P0ov6620013 VTO 14 P0ov6620014 ADVDD 15 P0ov6620015 ADGND 16 P0ov6620016 VSYNC/CSYS 17 P0ov6620017 FODD/CLK 18 P0ov6620018 HREF/VSFRAM
DGND 30 P0ov6620029 29 DVDD 28 P0ov6620028 XCLK2 27 P0ov6620027 XCLK1 26 UV0 P0ov6620026 N0UV0 UV0/GAMMA P0ov6620025 N0UV1 25 UV1 UV1/CCIR656 24 UV2 P0ov6620024 N0UV2 UV2/QCIF 23 UV3 P0ov6620023 N0UV3 UV3 P0ov6620022 N0UV4 22 UV4 UV4 21 UV5 P0ov6620021 N0UV5 UV5/MIR 20 UV6 P0ov6620020 N0UV6 UV6ABKEN 19 UV7 P0ov6620019 N0UV7 UV7/B8
C16 C17 Cap Cap 0.01uF 0.1uF
RESET
N0RESET
P0Jmp102
P0R101
1
ቤተ መጻሕፍቲ ባይዱ
N0AGND AGND
P0C1801 P0C1802
43 P0ov6620043 DEGND 44 P0ov6620044 P0ov6620045 45 DEVDD 46 SCL P0ov6620046 SDA 47 P0ov6620047 MULT 48 P0ov6620048 SGND 1 P0ov662001 SVDD 2 P0ov662002 RESET 3 P0ov662003 AGCEN 4 P0ov662004 FREX 5 P0ov662005 N0AGND AGND VRCAP2 6 P0ov662006 ASUB
D
\ov7620.SchDoc
C19 Cap 0.01uF N0AGND AGND
C
P0R201
R2 Res2
Res2
N0AVDD AVDD
0.1uF
N0PWDN PWDN N0AVDD AVDD N0AGND AGND
D
Title Size A4 Date: File: 1 2 3 Number 2010-8-12 E:\ov\mega16_ls00 Sheet of Drawn By: 4 Revision
A
P0R302
N0AVDD AVDD
B
P0ov6620042
P0R301
R3 Res2
N0AGND AGND N0AVDD AVDD N0SCL SCL N0SDA SDA
42 BW/CHSYNC P0ov6620041 41 CBAR/Y0 P0ov6620040 40 Y1 P0ov6620039 39 G2X/Y2 P0ov662003838 RGB/Y3 P0ov6620037 37 CS1/Y4 P0ov6620036 36 SHARP/Y5 P0ov6620035 35 CS2/Y6 P0ov6620034 34 CS0/Y7 P0ov6620033 33 PWDB/PCLK P0ov662003232 DOVDD P0ov6620031 31 DGND