Technical Note

BU1571KN

2/8

www.rohm.com

2010.06 - Rev.C

© 2010 ROHM Co., Ltd. All rights reserved.

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Electric characteristics

Parameter

Symbol

Limits

Unit

Condition

MIN.

TYP.

MAX.

Input frequency

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)

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Block Diagram

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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