HT3834 datasheet(1/16 Pages) HOLTEK

Part #	HT3834

Description	36 Melody Music Generator

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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1 / 16 page

HT3834

36 Melody Music Generator

Block Diagram

Pin Assignment

Rev. 1.00

1

November 2, 2006

Features

· Operating voltage: 2.4V~5.0V

· ROSC Operating frequency: 6MHz

· Three operating modes for 28-pin package,

MCU control mode, key control mode and

manual mode

· Dual operating mode for 16-pin package, key control

mode and MCU mode

· Low voltage detect

· Volume control

· Hold key

· Ring detect

· Hook detect

· Mono output

· High D/A converter resolution: 16 bits

· Polyphonic 4 notes

· 16/28-pin SOP package

General Description

The HT3834 is a CMOS VLSI designed for musical in-

struments, especially 36 melody songs. The HT3834

has an integrated controller and a WTS (Wave Table

Synthesizer).

The HT3834 has applications in areas such as phone

ringtones, high function toys, musical boxes, doorbells

etc.

8 - b i t

M C U

3 2 K ´ 1 6 - b i t

R O M

2 0 8 ´ 8

R A M

M u l t i p l i e r / P h a s e

G e n e r a l

P A 0 ~ P A 7

P B 0 ~ P B 7

O S C 1

O S C 2

R E S

1 6 - B i t

D A C

V D D

V S S

V D D A

A U D I O

V S S A

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

H T 3 8 3 4

2 8 S O P - A

P B 1

P B 0

A U D

T E S T

V D D A

V S S A

O S C 2

O S C 1

V S S

V D D

R E S

N C

P B 2

P B 3

P B 4

P B 5

P B 6

P B 7

P A 7

P A 6

P A 5

P A 4

P A 3

P A 2

P A 1

P A 0

1 6

1 5

1 4

1 3

1 2

1 1

1 0

9

1

2

3

4

5

6

7

8

A U D

V D D A

V S S A

O S C 2

O S C 1

V S S

V D D

R E S

P A 7

P A 6

P A 5

P A 4

P A 3

P A 2

P A 1

P A 0

H T 3 8 3 4

1 6 S O P - A

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