BU1570KN, BU1571KN

Technical Note

3/8

www.rohm.com

2009.04- Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

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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

INT*2

Out

＊

-

Luminance Changing Interrupt Signal

-

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).

*2 : In the case of BU1571KN, PIN NAME=TESTOUT.