BU6566GVW_09 Datasheet, PDF (4/17 Pages) Rohm – Camera Image Processors Compatible with JPEG Image

BU6566GVW, BU6568GV
Technical Note
●Block Diagram
HOST CPU
interface
HOST CPU I/F
Register Array
LCD
Controller
I/F
LCD Control
display data
YUV=4:2:2
RGB=5:6:5
Camera
interface
Image processing
(filtering)
RGB⇔YUV
Color space conversion
YUV=4:2:2
YUV=4:4:4
Multi-step
zooming
Cutting size
JPEG
Codec
Brightness Component
Changing D-range
Camera control
2-line type serial
YUV=4:2:2
2-line serial
control
General purpose
input / output
XIN,XOUT
RESETB
Clock control
Power down
control
●Recommended Application Circuit
Camera
module
KEY input
control
CAMCKO
CAMVS
CAMHS
CAMD[7:0]
CAMCKI
For LCD display
data
For JPEG
compression data
80KB
Frame buffer
camera image
storage status
interruption
Interruption
to HOST CPU
: INT
PWM control
PWM control
GIO
SDC
SDA
A2
Host
A1
D[15:0]
CPU
OE
WE
RESETB
CS
A2
LCDA0
A1
LCDD[15:0]
D[15:0]
LCDWRB
BU6566GVW ^LCDCS1B
RDB /BU6568GV
WRB
CSB
LCDCS2B
VD
RESETB
MAIN LCD
SUB
LCD
LED driver
＊Data is prepared separately about each register setup. Please refer to the Development Scheme on page 14.
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4/16
2009.04 - Rev.B