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BD7844AEFV
● Pin Descriptions
Datasheet
I C access mode select for SDA
Pin No
1
Pin Name
I2CSEL
I/O
I
Pull up
Register
110k ?
Unused
Terminal
setting
GND
ESD Diode
For Power For Ground
VDD GND
Functions
2
(H: I/O, L: Input only)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
-
A0
A1
A2
A3
OUT0
OUT1
OUT2
OUT3
GND
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
GND
OUT12
OUT13
OUT14
OUT15
GND
RESETB
SCL
SDA
VDD
Thermal
PAD
I
I
I
I
O
O
O
O
-
O
O
O
O
O
O
O
O
-
O
O
O
O
-
I
I
I/O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
60k ?
-
-
-
-
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VDD
VDD
VDD
VDD
-
-
-
-
VDD
-
-
-
-
-
-
-
-
VDD
-
-
-
-
VDD
VDD
-
-
-
VDD
GND
GND
GND
GND
GND
GND
GND
GND
-
GND
GND
GND
GND
GND
GND
GND
GND
-
GND
GND
GND
GND
-
GND
GND
GND
GND
-
Slave address setting
Slave address setting
Slave address setting
Slave address setting
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Ground
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Ground
Open Drain output
Open Drain output
Open Drain output
Open Drain output
Ground
Reset input pin
(L: reset, H: reset cancel)
Serial clock input pin
Serial data I/O pin
Power supply
Heat radiation PAD of back side
Connect to GND
* Please connect the unused LED pins to the ground.
* It is prohibition to set the registers for unused LED.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
4/14
TSZ02201-0G3G0CZ00310-1-2
15.Oct.2012 Rev.001
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