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REV. C

●External measure and View

●Pin description

*1 Please do not connect devices other than BU21018MWV.

PIN

NAME

DISCRIPTION

1

EXTCLK

External clock input

2

INT

Interrupt

3

NC

-

4

SDA

I2C:SDA

5

SCL

I2C:SCL

6

ADR_SEL

I2C: Address select

“L” (1011100)

2

“H” (1011101)

2

7

EDA

Automatic program download of

EEPROM

(SDA)

8

ECL

Automatic program download of

EEPROM

(SCL)

9

IFSEL

Interface select

(Low fix)

10

DVDD

Digital power

Connect to LDO pin.

11

SIN00

Sensor

12

SIN01

Sensor

13

SIN02

Sensor

14

LDO

15

VSS

Ground

16

AVDD

Analog power

17

RESET

Reset

“L” Reset

“H” Release

18

SREF0

Reference sensor

19

SREF1

Reference sensor

20

SIN03

Sensor

21

SIN04

Sensor

22~50

SIN05~SIN33

Sensor

51

SIN34

Sensor

52

SIN35

Sensor

53

TEST0

Test (Low fix)

54

TEST1

Test (Low fix)

55

TEST2

Test (Low fix)

56

TEST3

Test (Low fix)

BU21018

Lot No.