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參數(shù)資料
| 型號： | M3485 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | UM348x Multi-Instrument Melody Generator |
| 中文描述： | UM348x多儀器旋律發(fā)生器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 24K |
| 代理商： | M3485 |
1
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
Operating Voltage
Vdd
Stand-by Current
Isb
Input Voltage High
Vih
Input Voltage Low
Vil
Input Current High
Iih
Input Current Low
Iil
ENV Pin Drive Current
Ienv
Output Current (OP1)
Iol
Output Current (OP2)
Ioh
Min.
1.3V
-
Vdd-0.3V
Vss
1.5
μ
A
-
500
μ
A
200
μ
A
200
μ
A
Typ.
1.5V
-
-
-
3
μ
A
-
-
-
-
Max.
5V
12
μ
A
Vdd
Vss+0.3V
6
μ
A
0.1
μ
A
-
1200
μ
A
1200
μ
A
Conditions
No load
Vih=Vdd
Vil =Vss
Venv=0.8V
Vol=0.8V
Voh=0.7V
Playing modes
Mode
0
1
2
3
4
5
6
7
8
(
↑
means a low to high voltage level transaction )
CE
0
1
↑
↑
1
1
1
1
1
SL
X
0
0
0
0
↑
↑
↑
↑
LP
X
0
0
1
1
0
0
1
1
AS
X
0
1
0
1
0
1
0
1
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
相關PDF資料 |
PDF描述 |
|---|---|
| M348X | UM348x Multi-Instrument Melody Generator |
| M35102-W4 | Contactless Memory Chip with 64-bit Unique Serial ID 13.56 MHz, 2048-bit High Endurance EEPROM |
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| M366S1654CTS-C1H | 16Mx64 SDRAM DIMM based on 16Mx16, 4Banks, 8K Refresh, 3.3V Synchronous DRAMs with SPD |
| M366S1654CTS-C1L | 16Mx64 SDRAM DIMM based on 16Mx16, 4Banks, 8K Refresh, 3.3V Synchronous DRAMs with SPD |
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|---|---|
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