AS2540Q AMSCO [austriamicrosystems AG], AS2540Q Datasheet - Page 7

• Manufacturer Part Number: AS2540Q
• Description: Remote Controlled Single-Chip-Telephone
• Manufacturer: AMSCO [austriamicrosystems AG]

Data Sheet AS2540
Tx messages
<Ack> message
Revision 3.1
<Ack> message format for <RequestStatus>
MSB
d7
d7
b
b
x
x
x
x
x
x
x
x
x
x
x
1
0
7
7
d6
d6
b
b
1
0
x
x
x
x
x
x
x
x
x
x
x
6
6
d5
d5
b5
b
1
1
1
1
1
1
1
1
1
1
1
1
0
5
d4
d4
b
b
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
4
4
d3
d3
b
b
1
1
1
0
1
0
0
0
1
1
1
0
0
1
1
0
0
1
3
3
d2
d2
b2
b
1
0
0
0
0
1
0
1
0
1
1
0
1
0
1
0
1
0
2
d1
d1
b1
1
0
1
1
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
LSB
d0
d0
b0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Pin-Control message
SetTestmode
MuteON
MuteOFF
Path-Control message
SetHandsetPath
SetMonitorPath
SetModemPath
RequestStatus
reserved
reserved
reserved
reserved
valid ring signal detected
no ring signal
manual hook switch - off-hook (pin MHS)
manual hook switch - on-hook (pin MHS)
electronic hook switch - off-hook (pin EHS)
electronic hook switch - on-hook (pin EHS)
no LLC comparator .....................
LLC comparator 20mA (45mA) ...
LLC comparator 26mA (51mA) ...
LLC comparator 32mA (57mA) ...
LLC comparator 38mA (63mA) ...
LLC comparator 44mA (69mA) ...
LLC comparator 50mA (75mA) ...
Status
FOR FACTORY TEST ONLY
Mute Transmit path
AS2540 sends Status information
<LineEvent>
<LineEvent>
<LineEvent>
<LineEvent>
austriamicrosystems
Notes
Notes
Status of AS2540
LLC comparator
coded status of
Remark
Page 7 of 18