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參數(shù)資料
| 型號： | AS2540-ZSOW |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Remote controlled Basic Phone; Package Type: SOIC-28; Temperature Range: -15 - +60 °C; Output Interface: 2-Wire Serial; Supply Voltage: 3,60-5,00 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 248K |
| 代理商： | AS2540-ZSOW |
Data Sheet AS2540
austria
micro
systems
Revision 3.1
Page 7 of 18
d7
d6
d5
d4
d3
d2
d1
d0
Pin-Control message
Notes
x
x
1
0
1
1
1
1
SetTestmode
FOR FACTORY TEST ONLY
x
x
1
0
1
0
0
1
MuteON
Mute Transmit path
x
x
1
0
1
0
1
1
MuteOFF
d7
d6
d5
d4
d3
d2
d1
d0
Path-Control message
Notes
x
x
1
1
0
0
1
1
SetHandsetPath
x
x
1
1
1
0
1
1
SetMonitorPath
x
x
1
1
0
1
0
1
SetModemPath
x
x
1
1
0
0
0
1
RequestStatus
AS2540 sends Status information
x
x
1
1
0
1
1
1
reserved
<LineEvent>
x
x
1
1
1
0
0
1
reserved
<LineEvent>
x
x
1
1
1
1
0
1
reserved
<LineEvent>
x
x
1
1
1
1
1
1
reserved
<LineEvent>
Tx messages
<Ack> message
<Ack> message format for <RequestStatus>
b
7
MSB
b
6
b
5
b
4
b
3
b
2
0
1
LSB
b
7
b
6
b5
b
4
b
3
b2
b1
b0
Status
Remark
1
0
1
valid ring signal detected
0
0
1
no ring signal
1
0
1
manual hook switch - off-hook (pin MHS)
0
0
1
manual hook switch - on-hook (pin MHS)
1
0
1
electronic hook switch - off-hook (pin EHS)
0
0
1
electronic hook switch - on-hook (pin EHS)
Status of AS2540
0
0
0
0
1
no LLC comparator .....................
0
0
1
0
1
LLC comparator 20mA (45mA) ...
0
1
0
0
1
LLC comparator 26mA (51mA) ...
0
1
1
0
1
LLC comparator 32mA (57mA) ...
1
0
0
0
1
LLC comparator 38mA (63mA) ...
1
0
1
0
1
LLC comparator 44mA (69mA) ...
1
1
0
0
1
LLC comparator 50mA (75mA) ...
coded status of
LLC comparator
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