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BU1571KN-E2

P1-P3P4-P6P7-P9P10-P11
1/8
www.rohm.com
2010.06 - Rev.C
© 2010 ROHM Co., Ltd. All rights reserved.
Image Correction ICs
Image Correction IC
for Camera
BU1571KN
●Description
BU1571KN is AIE : Adaptive Image Enhancer (image processing technology by ROHM’s hardware).
Provides unprecedented visibility under severe conditions, such as darkness or extreme backlighting.
●Features
1) UXGA size (16001200) for input of image data up to 7.5 fps, SXGA size (12801024) for input of image data up to
15 fps and VGA size (640480) for input of image data up to 30 fps.
2) Input data format for YUV=4:2:2 8bit. Order of components may be adjusted by the register.
3) Operation modes are image enhance mode, through mode, and sleep mode.
4) Strength of image correction can be set to linear.
5) Register can be set up with a 2-line serial interface.
*Extra document is prepared separately about each register setup. Please refer to the Development Scheme on page 6.
●Application
Security camera, Intercom with camera, Drive recorder, and Web camera etc.
●Lineup matrix
Parameter
Supply power source
voltage
Camera
Interface
Control
Interface
Output
Interface
Interrupt
output
Package
BU1571KN
1.45-1.55(V
DD
Core)
2.7-3.6(V
DD
Io)
Supported up to
Max 2M pixels.
(1600×1200)
I
2
C BUS
8bit
YUV=4:2:2
Camera interface
- VQFN36
●Absolute maximum ratings (Ta=25℃)
Parameter Symbol Ratings Unit
Supply power source voltage 1 VDDIO -0.3 ~ +4.2 V
Supply power source voltage 2 VDD -0.3 ~ +2.1 V
Input voltage VIN -0.3 ~ VDDIO+0.3 V
Storage temperature range Tstg -40 ~ +125 ℃
Power dissipation PD 450 mW
*In the case exceeding 25℃, 4.5mW should be reduced at the rating 1℃.
●Recommended operating range
Parameter Symbol Ratings Unit
Supply power source voltage 1(IO)
VDDIO 2.70 ~ 3.60(Typ:3.3V) V
Supply power source voltage 2(CORE)
VDD 1.45 ~ 1.55(Typ:1.50V) V
Input voltage range
VIN-VDDIO 0 ~ VDDIO V
Operating temperature range
Topr -40 ~ +85 ℃
*Please supply power source in order of VDD→VDDIO.
No.10060ECT01
Technical Note
BU1571KN
2/8
www.rohm.com
2010.06 - Rev.C
© 2010 ROHM Co., Ltd. All rights reserved.
●Electric characteristics
(Unless otherwise specified, VDD=1.50V,VDDIO=3.3V,GND=0.0V,Ta=25℃,f
IN
=52.0MHz)
Parameter Symbol
Limits
Unit Condition
MIN. TYP. MAX.
Input frequency f
IN
10.0 - 52.0 MHz CAMCKI(DUTY45% ~ 55%)
Operating consumption current IDD1 - 15 - mA At enhance mode setting
Static consumption current IDDst - - 30 µA
At sleep mode setting,
input terminal=GND setting
Input ”H” current 1 IIH1 -10 - 10 µA VIH=VDDIO
Input ”H” current 2 IIH2 35 70 140 µA Pull-Down terminal, VIH=VDDIO
Input ”L” current 1 IIL1 -10 - 10 µA VIL=GND
Input ”L” current 2 IIL2 -10 - 10 µA Pull-Down terminal, VIL=GND
Input ”H” voltage 1 VIH1
VDDIO
0.8
-
VDDIO
+0.3
V
Normal input
(including input mode of I/O terminal)
Input ”L” voltage 1 VIL1 -0.3 -
VDDIO
0.2
V
Normal input
(including input mode of I/O terminal)
Input ”H” voltage 2 VIH2
VDDIO
0.85
-
VDDIO
+0.3
V
Hysteresis input
(RESETB, CAMCKI, SDA, SDC)
Input ”L” voltage 2 VIL2 -0.3 -
VDDIO
0.15
V
Hysteresis input
(RESETB, CAMCKI, SDA, SDC)
Hysteresis voltage width Vhys - 0.5 - V
Hysteresis input
(RESETB, CAMCKI, SDA, SDC)
Output ”H” voltage VOH
VDDIO
-0.4
- VDDIO V
IOH=-1.0mA(DC)
(including input mode of I/O terminal)
Output ”L” voltage VOL 0.0 - 0.4 V
IOL=1.0mA(DC)
(including input mode of I/O terminal)
●Block Diagram ●Recommended Application Circuit
*Extra document is prepared separately about system evaluation. Please refer to the Development Scheme on page 6.
8
CAMDI[7:0]
YUV=4:2:2
SDA
8
CAMDO[7:0]
YUV=4:2:2
SDC
CAMHSI
CAMVSI
CAMCKI
CAMHSO
CAMVSO
CAMCKO
Timing
Generator
Serial
Interface
Luminance
Distinction
Image
Enhance
Color
Correction
SDC
CAMHSI
CAMVSI
CAMCKI
Image
Processing
CAMDI[7:0]
SDA
Camera
Module
CAMDO[7:0]
CAMHSO
CAMVSO
CAMCKO
CAMDO[7:0]
CAMHSO
CAMVSO
CAMCKO
CAMDI[7:0]
CAMHSI
CAMVSI
CAMCKI
IC
HOST
CPU
SDA SDC
BU1571KN
Technical Note
BU1571KN
3/8
www.rohm.com
2010.06 - Rev.C
© 2010 ROHM Co., Ltd. All rights reserved.
●Terminal functions
PIN No. PIN Name In/Out Active Level Init Function explanation I/O type
1 CAMVSI In * - Vertical Timing Input (pull-down at sleep mode) B*1
2 N.C.
3 CAMHSI In * - Horizontal Timing Input (pull-down at sleep mode) B*1
4 CAMDI0 In DATA - Data Input Bit 0 (pull-down at sleep mode) B*1
5 CAMDI1 In DATA - Data Input Bit 1 (pull-down at sleep mode) B*1
6 CAMDI2 In DATA - Data Input Bit 2 (pull-down at sleep mode) B*1
7 CAMDI3 In DATA - Data Input Bit 3 (pull-down at sleep mode) B*1
8 CAMDI4 In DATA - Data Input Bit 4 (pull-down at sleep mode) B*1
9 CAMDI5 In DATA - Data Input Bit 5 (pull-down at sleep mode) B*1
10 CAMDI6 In DATA - Data Input Bit 6 (pull-down at sleep mode) B*1
11 CAMDI7 In DATA - Data Input Bit 7 (pull-down at sleep mode) B*1
12 VDDIO - PWR - DIGITAL IO Power Source -
13 CAMCKI In CLK - Clock Input (pull-down at sleep mode) D*1
14 GND - GND - Common GROUND -
15 VDD - PWR - CORE Power Source -
16 SDA In/Out DATA In In/Output Serial Data E
17 SDC In/Out CLK In In/Output Serial Clock E
18 TESTOUT Out High - TEST Out Pin ( Keep Open ) -
19 CAMVSO Out - - Vertical Timing Signal Output C
20 N.C.
21 CAMHSO Out - - Horizontal Timing Signal Output C
22 CAMDO0 Out DATA - Data Output: Bit 0 C
23 CAMDO1 Out DATA - Data Output: Bit 1 C
24 CAMDO2 Out DATA - Data Output: Bit 2 C
25 CAMDO3 Out DATA - Data Output: Bit 3 C
26 CAMDO4 Out DATA - Data Output: Bit 4 C
27 CAMDO5 Out DATA - Data Output: Bit 5 C
28 CAMDO6 Out DATA - Data Output: Bit 6 C
29 CAMDO7 Out DATA - Data Output: Bit 7 C
30 TEST1 In Low - Test Mode Terminal 1 (Connect to GND) B
31 TEST2 In Low - Test Mode Terminal 2 (Connect to GND) B
32 RESETB In Low - System Reset Signal A
33 VDDIO - PWR - DIGITAL IO Power Source -
34 CAMCKO Out CLK - Clock Output C
35 GND - GND - Common GROUND -
36 VDD - PWR - CORE Power Source -
*”*” in the Active Level column indicates that it may be changed during set-up of the register. Init indicates pin status when released from reset.
*1: Pull-down is ON during reset (initial status).
P1-P3P4-P6P7-P9P10-P11

BU1571KN-E2

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Video ICs IC CAM IMAGE CORRRCT 36PIN
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