BU1570KN, BU1571KN
Technical Note
2/8
www.rohm.com
2009.04- Rev.B
© 2009 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
μ
A
At sleep mode setting, input terminal=GND setting
Input ”H” current 1
IIH1
-10
-
10
μ
A
VIH=VDDIO
Input ”H” current 2
IIH2
35
70
140
μ
A
Pull-Down terminal, VIH=VDDIO
Input ”L” current 1
IIL1
-10
-
10
μ
A
VIL=GND
Input ”L” current 2
IIL2
-10
-
10
μ
A
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
*1,2,3 : BU1570KN Only
＊
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
INT*3
Motion
Detector
*1
Interrupt
Controller
*2
SDC
CAMHSI
CAMVSI
CAMCKI
Image
Processing
CAMDI[7:0]
SDA
Camera
Module
BU1570KN
BU1571KN
CAMDO[7:0]
CAMHSO
CAMVSO
CAMCKO
INT
*4
CAMDO[7:0]
CAMHSO
CAMVSO
CAMCKO
CAMDI[7:0]
CAMHSI
CAMVSI
CAMCKI
IC
Timing
Generator
Serial
Interface
Luminance
Distinction
Image
Enhance
Color
Correction
HOST
CPU
SDA SDC
*4 : BU1570KN Only
