Datasheet > M348X

M348X

更新时间： 2024-11-15 21:55:19

品牌	Logo	应用领域
其他 - ETC		乐器
页数	文件大小	规格书
4页	27K
描述
UM348x Multi-Instrument Melody Generator

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中文翻译

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M348X 数据手册

M348x Series

UM348x Multi-Instrument Melody Generator

_____________________________________________________________________________

Features

• Powered by a 1.5V battery

• Low standby current

• 512-note memory, up to 16 songs

• 8 playing modes by user setting

• One built-in RC oscillator

• 8 beats selectable

• 3 timbres - piano, organ, and mandolin

• 5 tempos available through mask setting

• 14 tones selectable

• On-chip envelope modulator and pre-amplifier

General Description

The M3481 series is a mask-ROM-programmed multi-instrument melody generator , implemented by

CMOS technology. It is designed to play the melody according to the previously programmed

information

and is capable of generating 16 songs with 3 instrument effects : piano, organ and mandolin. The

device

also includes a pre-amplifier which provides a simple interface to the driver circuit. The M3481 series is

intended for applications such as toys, door bells, music box, melody clock/timers and telephones.

Absolute Maximum Ratings

DC Supply Voltage .......................................... -0.3V to +5.0V

Input Voltage Range ....................................... Vss-0.3V to Vdd+0.3V

Operating Ambient Temperature .................... 0°C to +70°C

Storage Temperature ....................................... -10°C to +125°C

Electrical Characteristics

(Vss=0V, Vdd=1.5V, Ta=25°C, unless otherwise specified.)

Parameter

Symbol

Vdd

Isb

Vih

Vil

Min.

1.3V

Vdd-0.3V

Vss

1.5µA

500µA

200µA

Typ.

1.5V

Max.

12µA

Vdd

Vss+0.3V

6µA

0.1µA

Conditions

No load

Operating Voltage

Stand-by Current

Input Voltage High

Input Voltage Low

Input Current High

Input Current Low

ENV Pin Drive Current

Output Current (OP1)

Output Current (OP2)

Iih

Iil

Ienv

Iol

Ioh

Vih=Vdd

Vil =Vss

Venv=0.8V

Vol=0.8V

Voh=0.7V

3µA

1200µA

Playing modes

Mode

↑

SL LP

Program

Standby

First melody→...→Last melody→Stop

First melody→...→Last melody→Repeat from first melody

Start from the present melody→Stop

Repeat the present melody

↑

Change to the next melody→...→Last melody→Stop

Next melody→...→Last melody→Repeat from first melody

Change to the next melody→Stop

↑

Change to the next melody→Repeat the same melody

( ↑ means a low to high voltage level transaction )

12 3 4

中文翻译

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