參數(shù)資料
型號(hào): EM91220CK
廠商: ELAN Microelctronics Corp .
英文描述: 398500316
中文描述: 音頻/脈沖開(kāi)關(guān)的撥號(hào)器與LCD接口
文件頁(yè)數(shù): 13/20頁(yè)
文件大?。?/td> 145K
代理商: EM91220CK
EM91220 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
13
* This specification are subject to be changed without notice.
10.1.1997
Figure 6. Pulse to Tone (P
T) operating timing
Figure 5. Pause key operating timing
Tidp
Tidp
Tp
2
RD/P
3
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
Hi-impedance
Tpt
PO
HKS
KEY IN
KT
XMUTE
PM
SDO
DTMF
OSC.
2
*/T
3
4
Hi-impedance
HKS
KEY IN
KT
XMUTE
PM
SDO
PO
DTMF
OSC.
Tdb
Tf
Tfp=300ms
Hi-impedance
F
Figure 7. Flash key operating timing
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EM91220 Tone/Pulse Switchable Dialer with LCD Interface(帶LCD接口,低工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號(hào)器)
EM91221 Tone/Pulse Switchable Dialer with LCD Interface(帶LCD接口,低工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號(hào)器)
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