UM3481

Bowin Microelectronics

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BOWIN ELECTRONIC COMPANY

www.bowin-ic.com.hk

2

Song Series List (Fewer songs version provides longer duration for each song)

UM3481

(8 songs)

UM3482

(12 songs)

UM3485 (5 songs)

Jingle Bells

American Patrol

The Hawaiian Wedding Song

Santa Claus Is Coming To Town

Rabbits

Try To Remember

Silent Night, Holy Night

Oh My Darling, Clementine

Aloha OE

Joy To The World

Butterfly

Love Story

Rudolph, The Red-nosed Reindeer

London Bridge Is Falling Down

Yesterday

We Wish You A Merry Christmas

Row, Row, Row Your Boat

O Come, All Ye Faithful

Are You Sleeping

Hark, The Herald Angels Sing

Happy Birthday

Joy Symphony

Home Sweet Home

Weigenlied

Melody On Purple Bamboo

Pin Configuration

Pin

Symbol

Description

1

TSP

Output flag signal of melody auto stop : In normal operation, this should be open.

2

CE

Chip is enabled if connected to Vdd. Chip is disabled if connected to Vss.

3

LP

Only one song plays if connected to Vdd. All songs play if connected to Vss.

4

SL

A positive going edge will change to play the next song.

5

AS

The melody will repeat if connected to Vdd and will stop automatically if to Vss.

6

NC

No connection

7

ENV

Envelope circuit terminal

8

Vss

Negative power supply

9

MTO

Modulated tone signal output

10

OP1

Pre-amplifier output 1

11

OP2

Pre-amplifier output 2

12

MT1

Modulated tone signal input to the pre-amplifier.

13

NC

No connection

14

OSC2

External oscillator terminal 1

15

OSC1

External oscillator terminal 2

16

Vdd

Positive power supply