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AS2522BF Datasheet(PDF) 10 Page - ams AG |
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AS2522BF Datasheet(HTML) 10 Page - ams AG |
10 / 19 page Data Sheet AS2522B austriamicrosystems Revision 3.4 Page 10 of 19 Control registers AS2522A, AS2522B Default value after reset AA AA D D D D 32 10 32 10 1 0 0 0 16 gains Handsfree receive endgain 0111 Data RXgain TXgain 0x0 -20dB -30dB Min. receive volume :: 0xF 0dB -50dB Max. receive volume 1 0 0 1 x x x x Handsfree switching characteristic 1000 off1 off0: BGN-offset 0 0 120mV 0 1 180mV 1 0 240mV 1 1 300mV Hfs1 HFs0: Speed of voice switching 0 0 max speed 01 10 1 1 min speed 1 0 1 0 16 gains Transmit gain [16], 16 steps, 1dB stepsize 0111 Data HS-mode HF-mode 0x0 30dB 39dB :: : 0xF 45dB 54dB 1 0 1 1 16 gains Receive gain [16], 16 steps, 1dB stepsize 0111 Data HS-mode HF-mode 0x0 -6dB 22dB :: : 0xF +9dB 37dB 1 1 0 0 x x x x FSK-mode, LLC[2], LI-Voltage 0111 AS2522B: FSK: Frequency select in single tone mode AS2522B ONLY FSK: 0 Single Tone frequencies are read from Addr. 4: frequ1, frequ0 1 Single Tone frequencies are read from Addr. 1: f4,f3,f2,f1 AS2522A FSK: For factory test only ! LIV: Voltage at pin LI 0...3.5V, 1...4.5V LLC1 LLC0: Line loss compensation setting 0 0 20mA-50mA 0 1 NO Line loss compensation 1 0 45-75mA 1 1 NO Line loss compensation 1 1 0 1 x x x x Mute, Lh, Hf, Hook Switch 0000 Mute: Mute transmit 0...OFF, 1...ON HisHfLh 0x x On Hook 1 0 0 Off Hook, Handset mode 1 1 0 Off Hook, Handfree mode 1 1 1 Off Hook, Loudhearing mode 11 10 x x x x Krat5,Test3,Test2,Test1: For factory test only ! 0000 11 11 x x x x Reset to defaults na Address Data |
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