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AS2540 Arkusz danych(PDF) 7 Page - ams AG |
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AS2540 Arkusz danych(HTML) 7 Page - ams AG |
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7 / 18 page ![]() Data Sheet AS2540 austriamicrosystems Revision 3.1 Page 7 of 18 d7 d6 d5 d4 d3 d2 d1 d0 Pin-Control message Notes xx 10111 1 SetTestmode FOR FACTORY TEST ONLY xx 10100 1 MuteON Mute Transmit path xx 10101 1 MuteOFF d7 d6 d5 d4 d3 d2 d1 d0 Path-Control message Notes xx 11001 1 SetHandsetPath xx 11101 1 SetMonitorPath xx 11010 1 SetModemPath xx 11000 1 RequestStatus AS2540 sends Status information xx 11011 1 reserved <LineEvent> xx 11100 1 reserved <LineEvent> xx 11110 1 reserved <LineEvent> xx 11111 1 reserved <LineEvent> Tx messages <Ack> message <Ack> message format for <RequestStatus> b7 MSB b6 b5 b4 b3 b2 01 LSB b7 b6 b5 b4 b3 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 000 0 1 no LLC comparator ..................... 001 0 1 LLC comparator 20mA (45mA) ... 010 0 1 LLC comparator 26mA (51mA) ... 011 0 1 LLC comparator 32mA (57mA) ... 100 0 1 LLC comparator 38mA (63mA) ... 101 0 1 LLC comparator 44mA (69mA) ... 110 0 1 LLC comparator 50mA (75mA) ... coded status of LLC comparator |
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