Unterschiede

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--- video:ccd-sensor:ov7670:start [Sun. 18.03.2018 12:39] – wikiadmin
+++ video:ccd-sensor:ov7670:start [Mon. 19.03.2018 10:19] – wikiadmin
@@ Zeile 6: / Zeile 6: @@
 ===== Die Hardware =====
+[[https://www.voti.nl/docs/OV7670.pdf]]
+=== Technische Daten ===
+  * Optical size 1/6 inch
+  * Resolution 640×480 VGA
+  * Onboard regulator, only single 3.3V supply needed
+  * Standard 0.1inch (2.54mm) pin pitch header connector
+  * Mounted with high quality F1.8 / 6mm lens
+  * Output support for Raw RGB, RGB (GRB 4:2:2, RGB565/555/444), YUV (4:2:2) and YCbCr (4:2:2) formats
+  * High sensitivity for low-light operation
+  * Low operating voltage for embedded portable apps
+  * Standard SCCB interface compatible with I2C interface
+  * Supports image sizes: VGA, CIF, and any size scaling down from CIF to 40×30
+  * VarioPixel® method for sub-sampling
+  * Automatic image control functions including: Automatic
+  * Exposure Control (AEC), Automatic Gain Control (AGC), Automatic White Balance (AWB), Automatic
+  * Band Filter (ABF), and Automatic Black-Level Calibration (ABLC)
+  * Image quality controls including color saturation, hue, gamma, sharpness (edge enhancement), and anti-blooming
+  * ISP includes noise reduction and defect correction
+  * Supports LED and flash strobe mode
+  * Supports scaling
+  * Lens shading correction
+  * Flicker (50/60 Hz) auto detection
+  * Saturation level auto adjust (UV adjust)
+  * Edge enhancement level auto adjust
+  * De-noise level auto adjust
 === Steckerbelegung des Moduls ===
@@ Zeile 13: / Zeile 41: @@
 The camera module comes with a 9x2 header, the pin diagram is shown below:
-VDD	GND
+| VDD | (1) | (18) | GND |
-SDIOC	SDIOD
+| SDIOC | (2) | (17) | SDIOD |
-VSYNC	HREF
+| VSYNC | (3) | (16) | HREF |
-PCLK	XCLK
+| PCLK | (4) | (15) | XCLK |
-D7	D6
+| D7 | (5) | (14) | D6 |
-D5	D4
+| D5 | (6) | (13) | D4 |
-D3	D2
+| D3 | (7) | (12) | D2 |
-D1	D0
+| D1 | (8) | (11) | D0 |
-RESET	PWDN
+| RESET | (9) | (10) | PWDN |
-Now, I'll cover the meaning of these pins.
+<code>
 Pin	Type	Description
 VDD**	Supply	Power supply
@@ Zeile 38: / Zeile 66: @@
 **A note about supply voltage and I/O voltage.
+</code>
+  * VDDA can range from 2.45V to 3.00V.
+  * VDDC can range from 1.62V to 1.98V.
+  * VDDIO can range from 1.7V to 3.00V.
-As stated in the datasheet:
+<code>
+Pin No. 	PIN NAME 	TYPE 	DESCRIPTION
-VDDA can range from 2.45V to 3.00V.
+ 	VCC 	POWER 	3.3v Power supply
-VDDC can range from 1.62V to 1.98V.
+	GND 	Ground 	Power ground
-VDDIO can range from 1.7V to 3.00V.
+	SCL 	Input 	Two-Wire Serial Interface Clock
+	SDATA 	Bi-directional 	Two-Wire Serial Interface Data I/O
+	VSYNC 	Output 	Active High: Frame Valid; indicates active frame
+	HREF 	Output 	Active High: Line/Data Valid; indicates active pixels
+	PCLK 	Output 	Pixel Clock output from sensor
+	XCLK 	Input 	Master Clock into Sensor
+	DOUT9 	Output 	Pixel Data Output 9 (MSB)
+	DOUT8 	Output 	Pixel Data Output 8
+	DOUT7 	Output 	Pixel Data Output 7
+	DOUT6 	Output 	Pixel Data Output 6
+	DOUT5 	Output 	Pixel Data Output 5
+	DOUT4 	Output 	Pixel Data Output 4
+	DOUT3 	Output 	Pixel Data Output 3
+	DOUT2 	Output 	Pixel Data Output 2 (LSB)
+</code>
 ===== Der serielle Kontroll-Port (SCCB) im Detail =====
+  * [[https://www.mikrocontroller.net/topic/444953]]
+  * [[http://embeddedprogrammer.blogspot.de/2012/07/hacking-ov7670-camera-module-sccb-cheat.html]]
+  * [[https://arduino.stackexchange.com/questions/32927/get-pixel-data-with-ov7670-w-o-fifo-and-arduino-uno]]
+  * [[https://www.arduino.cc/en/Reference/Wire]]
+  * [[https://www.arduino.cc/en/Tutorial/SecretsOfArduinoPWM]]
+  * [[https://wiki.epfl.ch/prsoc/ov7670]]
+  * [[http://therandomlab.blogspot.de/2016/06/arduvision-ii-ov7670-fifo-module-and.html]]
+  * [[http://wiki.beyondlogic.org/index.php/OV7670_Camera_Module_with_AL422_FIFO_Theory_of_Operation]]
+  *
+===== Links =====
+^ OmniVision | http://www.ovt.com |
+^ ArduCAM | http://www.arducam.com/ |