參數(shù)資料
型號: EM91242
廠商: ELAN Microelctronics Corp .
英文描述: 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)換的撥號器)
中文描述: 音頻/脈沖切換撥號器與LCD接口(帶液晶顯示接口,低工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號器)
文件頁數(shù): 14/20頁
文件大小: 141K
代理商: EM91242
EM91242 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
14
* This specification are subject to be changed without notice.
10.1.1997
Figure 8. SDO operating timing
<Note>L=LSB,M=MSB, sT=START bit time, spT=STOP bit time
HF
HF
HF
HF
HF
HF
HF
HKS
KEY IN
HFO
XMUTE
SDO
PM
PO
DTMF
Hi-impedance
HKS
KEY IN
KT
SDO
Tdb
2
sT
sT b0
b1
b2
b3 b4
Tbit
b5 spT spT
0
1
0
L
1
0
0
0 0
0
1
M
Hi-impedance
Figure 9. HF operating timing
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