Technical Note

4/18

BU6520KV,BU6521KV

www.rohm.com

2010.02 - Rev.C

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

●Pin functional descriptions・Equivalent circuit

PIN

No.

PIN Name

In/Out

Active

Level

Init

Function explanation

Power

Source

System

I/O

type

*1

1

SDI

In

DATA

-

SPI-bus data input

1

A

2

CAMDI7

In

DATA

-

Data input bit 7

1

C

3

CAMDI6

In

DATA

-

Data input bit 6

1

C

4

CAMDI5

In

DATA

-

Data input bit 5

1

C

5

CAMDI4

In

DATA

-

Data input bit 4

1

C

6

GND

-

GND

-

Common GROUND

1,2,4

-

7

VDD

-

PWR

-

CORE power source

4

-

8

CAMDI3

In

DATA

-

Data input bit 3

1

C

9

CAMDI2

In

DATA

-

Data input bit 2

1

C

10

CAMDI1

In

DATA

-

Data input bit 1

1

C

11

CAMDI0

In

DATA

-

Data input bit 0

1

C

12

CAMHSI

In

*

-

Horizontal timing input

1

C

13

CAMVSI

In

*

-

Vertical timing input

1

C

14

CAMCKI

In

CLK

-

Clock input

1

E

15

GND

-

GND

-

Common GROUND

1,2,4

-

16

VDDIO

-

PWR

-

Digital IO power source

1

-

17

CAMDO0

Out

DATA

Low

Data output bit 0

1

F

18

CAMDO1

Out

DATA

Low

Data output bit 1

1

F

19

CAMDO2

Out

DATA

Low

Data output bit 2

1

F

20

CAMDO3

Out

DATA

Low

Data output bit 3

1

F

21

CAMDO4

Out

DATA

Low

Data output bit 4

1

F

22

CAMDO5

Out

DATA

Low

Data output bit 5

1

F

23

CAMDO6

Out

DATA

Low

Data output bit 6

1

F

24

CAMDO7

Out

DATA

Low

Data output bit 7

1

F

※

” * ” in the Active Level column indicates that it may be changed during set-up of the register.

※

Init column indicates pin status when released from reset.

※

In the power system column, ” 1 ” stands for VDDIO, ” 2 ” stands for VDDI2C, ” 3 ” stands for AVDD, ” 4 ” stands for VDD.

*1 Fig.3 Equivalent Circuit Structures of input / output pins reference