Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

Product codes
AT91SAM9G25-EK
Page of 1165
994
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
44.2
Embedded Characteristics
Compatible with an Embedded 32-bit Microcontroller
ITU-R BT. 601/656 8-bit Mode External Interface Support
Supports up to 12-bit Grayscale CMOS Sensors
Support for ITU-R BT.656-4 SAV and EAV Synchronization
Vertical and Horizontal Resolutions up to 2048 x 2048
Preview Path up to 640*480
128 Bytes FIFO on Codec Path
128 Bytes FIFO on Preview Path
Support for Packed Data Formatting for YCbCr 4:2:2 Formats
Preview Scaler to Generate Smaller Size image
Programmable Frame Capture Rate
VGA, QVGA, CIF, QCIF Formats Supported for LCD Preview
Custom Formats with Horizontal and Vertical Preview Size as Multiples of 16 Also Supported for LCD Preview
44.3
Block Diagram
Figure 44-2. Image Sensor Interface Block Diagram
Timing Signals
Interface
CCIR-656
Embedded Timing
Decoder(SAV/EAV)
Pixel Sampling
Module
Clipping + Color
Conversion
YCC to RGB
2-D Image
Scaler
Pixel
Formatter
Rx Direct
Display
FIFO
Core
Video
Arbiter
Camera
AHB
Master
Interface
APB
Interface
Camera
Interrupt
Controller
Config
Registers
Clipping + Color
Conversion
RGB to YCC
Rx Direct
Capture
FIFO
Scatter
Mode
Support
Packed
Formatter
Frame Rate
YCbCr 4:2:2
8:8:8 
5:6:5
RGB
CMOS
sensor
Pixel input
up to 12 bit
Hsync/Len
Vsync/Fen
CMOS
sensor
pixel clock
input
Pixel 
Clock Domain
AHB
Clock Domain
APB
Clock Domain
From
Rx buffers
Camera
Interrupt Request Line
codec_on
AHB b
us
APB b
us
Preview path
Codec path