Technical Note

9/18

BU6520KV,BU6521KV

www.rohm.com

2010.02 - Rev.C

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

●Electrical characteristics(AC characteristics)

1. Data Input Interface Timing

CAMVSI

CAMHSI

CAMDI0

－

CAMDI7

CAMCKI

(CKPOL=“0”)

CAMCKI

(CKPOL=“1”)

Fig.5 Data Input Interface Timing

Symbol

Description

MIN

TYP

MAX

Unit

CAMCKI Clock Cycle

27.8

-

-

ns

CAMCKI Clock Duty

45

50

55

%

CAMCKI Rise / Fall Camera Setup Time

8

-

-

ns

CAMCKI Rise / Fall Camera Hold Time

BU6520KV

6

-

-

ns

BU6521KV

5

-

-

ns

* CKPOL selects the CAMCKI polarity. (CKPOL is register at BU6520KV/BU6521KV)

2. Data Output Interface Timing

Fig.6 Data Output Interface Timing

Symbol

Description

MIN

TYP

MAX

Unit

CAMCKO Clock Cycle

27.8

-

-

ns

CAMCKO Clock Duty

40

50

60

%

Decision of CAMDO from CAMCKO

-

-

7

ns

Decision of CAMVSO or CAMHSO from CAMCKO

-

-

7

ns

* This figure shows CKPOL setting is ” 1 ” In case of CKPOL= ” 0 ”, CAMVSO, CAMHSO and CAMDO0-CAMCO7 change based on CAMCKO fall edge.

CAMVSO

CAMDO0

CAMHSO

CAMCKO

(CKPOL="1")

－

CAMDO7