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參數(shù)資料
| 型號： | EM91220 |
| 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)： | 2/20頁 |
| 文件大?。?/td> | 137K |
| 代理商： | EM91220 |
EM91220 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
2
* This specification are subject to be changed without notice.
10.1.1997
FUNCTIONAL BLOCK DIAGRAM
EM91220
Pin Assignment
Keyboard Arrangement
Type A
Type B
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
PM
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
EM91220AP
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
HFI
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
PM
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
HFO
EM91220BP
NC
COL5
COL4/KT
COL3
COL2
COL1
XIN
XOUT
XMUTE
VSS
HFI
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
SDO
PM
PO
ROW4
ROW3
ROW2
ROW1
HKS
VDD
DTMF
HFO
EM91220CK
ROW1
ROW2
ROW3
ROW4
COL1
1
4
7
*/T
COL2
2
5
8
0
COL3
3
6
9
#
COL4/KT
SAVE
F
A
RD/P
COL5
ST
ROW1
ROW2
ROW3
ROW4
COL1
1
4
7
*
COL2
2
5
8
0
COL3
3
6
9
#
COL4/KT
SAVE
F
A
RD/P
COL5
P
→
T
ST
COL1
COL2
COL3
COL4/KT
COL5
XIN
XOUT
ROW1
ROW4
HFO PM
XMUTE
Keyboard
interface
(column)
Oscillator
Keyboard
interface
(Row)
Output circuit
Memory
(Melody)
Timing/Control circuit
Input circuit
Pulse
generator
latch
&
decoder
D/A
converter
Row/Column
programming counter
DTMF
PO
HKS
HFI
VDD
VDD
SDO
~
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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)換的撥號器) |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM91220A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91220A/B/C | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer |
| EM91220AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91220B | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE |
| EM91220BP | 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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