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參數(shù)資料
| 型號： | EM22760A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 60 Seconds Single Chip Voice/Dual Tone Synthesizer IC with 14-Bit Input Port, 24-Bit I/O Ports and Tiny Controller(60秒語音容量的單片語音/雙音調合成器（帶14位輸入端口，24位I/O端口和微型控制器）) |
| 中文描述： | 60秒單片語音/雙音合成器集成電路的14位輸入端口，24位I / O端口和微型控制器（60秒語音容量的單片語音/雙音調合成器（帶14位輸入端口，24位的I / O端口和微型控制器）） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 134K |
| 代理商： | EM22760A |
1
* This specification are subject to be changed without notice.
6/12/16/20/30/40/60 SEC. VOICE/MELODY SYNTHESIZER WITH TINY CONTROLLER
6/12/16/20/30/40/60 SEC. VOICE/MELODY SYNTHESIZER
5.28.1998
EM22700A SERIES
GENERAL DESCRIPTION
EM22700A is a series of 6 to 60 seconds single chip Voice/Dual tone synthesizer IC which contains 1 4-bit input
port, 2 4-bit I/O ports and a tiny controller. By programming through the tiny controller, user’s application
includes section combination, trigger mode, control outputs ,keyboard matrix and other logic function can be
easily implemented.
FEATURES
Single power supply 2.4 V - 5 V.
6-60 seconds voice capacity is provided for EM22706A,EM22712A,EM22716A ,EM22720A, EM22730A,
EM22740A and EM22760A.
Dual tone melody generator is provided.
1 4-bit input port , 2 4-bit I/O ports and 32*4 bits RAM are provided.
Maximum 8 K program ROM is provided.
One 6 bit timer overflow control is provided.
4 playing speed for voice playing 5K,6K,7K,8K Hz are provided.
Several tempos for dual tone melody playing are provided.
8 different beats for dual tone melody playing are provided.
8 steps of volume control are provided.
Fixed Current D/A output is provided to drive external connected transistor for voice output.
PIN ASSIGNMENTS
PDIP-28 pin
EM22706A EM22712A EM22716A
EM22720A EM22730A EM22740A
EM22760A
NC
NC
NC
NC
NC
NC
VO
P3.3
P3.2
P3.1
P3.0
P2.3
P2.2
P2.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
NC
NC
NC
NC
NC
V
DD
TEST
OSC
GND
P1.0
P1.1
P1.2
P1.3
P2.0
EASEASY SOUND
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