EAGLE
PRELIMINARY
Ver 1.3
3.16
JPEG Image Capturer
3.16.1 Description
JPEG Image Capturer built inside EAGLE converts the decoded YCbCr images received from JPEG block to RGB images
and stores the converted images in memory.
In addition to controlling the RGB data gain, X/Y co-ordinates, Y Offset Address and 16 or 24 bit per pixel can be set
accordingly.
3.16.2 Features
y Supports 16 or 24 bit per pixel
y Configures the Pixel-Gain function
y Rendering X/Y Position
y Supports Texture / Local Memory Access
3.16.3 Block Diagram
Frame Bank & Display Size
Memory
Hand Shake Signal
Related Parameters
JPEG Image Capturer
Core
FIFO
Control
Signal
Main Control
FSM
Memory
Address
FIFO Write
Data
[
: ]x[31:0]
0
511
Control
Signals
AHB
FIFO
Controller
Dual Port
FIFO
Interface
Pixel Gain
Controller
FIFO Data
Control
Signals
Color Space Conversion
( YCbCr -> RGB )
Source Image Related Signals
Image Size,
Format ( 4:2:2 or 4:2:0 )
Data Enable, Data
Memory
Related Signals
Request, Address, Data
Interrupt
Request
Figure 3-30 JPEG Image Capturer Block Diagram
Beijing Peak Microtech Co.Ltd.
CONFIDENTIAL
146
ETC [ ETC ]
