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參數(shù)資料
| 型號： | EM91221 |
| 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)： | 7/20頁 |
| 文件大小： | 138K |
| 代理商： | EM91221 |
EM91221 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
7
* This specification are subject to be changed without notice.
10.1.1997
Truth table
Operating state
Input/Output pin level
XMUTE
F
F
F
F
HKS
H
L
L
H
PO
F
F
F
F
PM
L
L
L
L
HFO
L
L
H
H
(0) On-hook, idle state
(1) Off-hook line
(2) Off-hook, HF line
(3) On-hook, HF line
Note : F=floating (high impedance); H=logic “High”; L=logic “Low” level.
SDO (Serial Data Output) function
The SDO is serial data output which format is same as UART protocol. SDO function is designed to drive LCD
driver and voice synthesizer. So the dialing numbers can be display on LCD screen with EM32100 (or EM32116
). The SDO signal consists of two start bits, six data bits and two stop bits. Each bit time is about 3.9 ms (256 Hz)
and output sequences are following by start bits, data bits (LSB to MSB) and stop bits.
0
1
bit 0
bit1
bit2
data bits
bit3
bit4
bit5
ready
start bits
0
1
stop bits
SDO Keypad Encoded table:
Digital key (b5,b4=0,0)
keypad
output
b3,b2,b1,b0 0001 0010 0011 0100 0101 0110 0111
Display
1
2
1
2
3
4
5
6
7
8
9
0
“*”/T
#
P */”T”or P-T
1000 1001 1010
8
9
1011 1100
1101
P
1110
3
4
5
6
7
0
Function key (b5,b4=1,0)
keypad
output
b3,b2,b1,b0
Display
ST
HF
Page
F
0000
TORE
1010
Speaker
1100
PAGE
1111
S
clear all display
Function key (b5,b4=1,1)
keypad
output
b3,b2,b1,b0
Display
M1~M20
RD
Save
1100
1101
RD
1110
SAVE
MEMORY
<Note> : The display of LCD panel “ST”,”HF”,”Page”,”M1~M20”,”RD”,”Save” is corresponding to EM32116
with flag types.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM91240 | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240A | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240AP | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240B | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240BP | TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM91240 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240A/B/C | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer |
| EM91240AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91240B | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
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