欢迎访问ic37.com |
会员登录 免费注册
发布采购

EM91420C 参数 Datasheet PDF下载

EM91420C图片预览
型号: EM91420C
PDF下载: 下载PDF文件 查看货源
内容描述: 音频/脉冲可转换拨号与LCD接口和双音旋律发生器 [TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR]
分类和应用: 脉冲
文件页数/大小: 24 页 / 166 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
 浏览型号EM91420C的Datasheet PDF文件第13页浏览型号EM91420C的Datasheet PDF文件第14页浏览型号EM91420C的Datasheet PDF文件第15页浏览型号EM91420C的Datasheet PDF文件第16页浏览型号EM91420C的Datasheet PDF文件第18页浏览型号EM91420C的Datasheet PDF文件第19页浏览型号EM91420C的Datasheet PDF文件第20页浏览型号EM91420C的Datasheet PDF文件第21页  
EM91420 SERIES  
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE  
AND DUAL-TONE MELODY GENERATOR  
HKS  
2
KEY IN  
Tdb  
KT  
SDO  
b2 b3 b4  
Tbit  
spT  
1
b1  
1
b5 spT  
b0  
sT  
0
sT  
1
0
0
0
0
0
0
M
L
Hi-impedance  
<Note>L=LSB,M=MSB, sT=START bit time, spT=STOP bit time  
Figure 8. SDO operating timing  
HKS  
HD  
HF  
HD  
HD  
HD  
HD  
HD  
@
HF  
HF  
KEY IN  
HFO  
280  
ms  
Thdrdb  
HDO  
XMUTE  
SDO  
PO  
MELODY  
Hi-impedance  
@ : It can be triggled by extension telephone set for hold function release  
Figure 9. HF and HD operating timing  
HFI  
or  
HF  
HKS  
5
0
KEY  
KT  
Tdly  
OSC.  
"0" digit dialing time  
Hi-impedance  
Figure 10. Off-Hook delay time  
* This specification are subject to be changed without notice.  
10.1.1997  
17  
 复制成功!