BU1570KN, BU1571KN
Technical Note
4/8
www.rohm.com
2009.04- Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
●
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
●
Terminal Layout
（
Bottom View
）
CAM
D
O5
CAM
D
O4
CAM
D
O3
CAM
D
O2
CAM
D
O1
CAM
H
SO
CAMVSO
CAM
D
O0
RESETB
CAMDO7
CAM
V
S
I
N.
C
.
CAM
H
SI
CAM
D
I0
CAM
D
I1
CAM
D
I2
CA
M
D
I3
CAM
D
I4
CAM
D
I5
N.
C
.
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.
