BU1570KN, BU1571KN

Technical Note

4/8

www.rohm.com

2009.04- Rev.B

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

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Equivalent Circuit Structures of input / output pins

Type

The equivalent circuit structure

Type

The equivalent circuit structure

A

Input terminal with Schmitt

B

Input terminal with PULL-DOWN

C

Output terminal

D

Hysteresis input terminal with PULL-DOWN

E

Hysteresis input / output terminal

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Terminal Layout

（

Bottom View）

RESETB

CAMDO7

CAMDI6

CAMDI7

VDDIO

CAMCKI

GND

VDD

SDA

SDC

INT*

1

VDD

GND

CAMCKO

VDDIO

TEST2

TEST1

CAMDO6

VDDIO

GND

To internal

VDDIO

GND

GND

Internal signal

VDDIO

Internal signal

GND

To

internal

VDDIO

GND

GND

VDDIO

VDDIO

Internal signal

Internal signal

Internal signal

VDDIO

GND

To internal

GND

Internal signal

VDDIO

GND

VDDIO

GND

To internal

GND

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