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TEA7092 Folha de dados(PDF) 4 Page - STMicroelectronics |
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TEA7092 Folha de dados(HTML) 4 Page - STMicroelectronics |
4 / 24 page I.2 - Pinout Pin N ° Name Function 1VLS Loudspeaker Power Supply 2VMC Unregulated Microcontroller Power Supply 3VL Transmit Output Stage 4VREFL Loudspeaker Reference Voltage (VLS/2) 5 LSIN Loudspeaker Amplifier Input 6 LSSOF Loudspeaker Softclipping Time Constant 7 DTMF1 DTMF Filter 1 8VRMC Stabilized Microcontroller Power Supply 9 OSC Oscillator Input 10 RI/VI Ring Indicator/Line Current Variation Indicator Output (*) 11 RESET Microcontroller Reset Output (*) 12 PON Line Current Indicator Output (*) 13 CLK Serial Bus Clock Input (*) 14 DATA Serial Bus Data Input (*) 15 SNSL Short Line Sidetone Network 16 SNLL Long Line Sidetone Network 17 ASQ Anti-Acoustic Feedback and Squelch Time Constant 18 ASC DC Offset Anti-Acoustic Feedback and Squelch Amplifier Suppression 19 RECIN Receive Input and Positive Line Voltage 20 REOUT Receive Output for Handfree Interface and Loudspeaker Input 21 GTR Transmit Gain Adjustment 22 HFIN Handfree Microphone Input Referenced to VREF 23 MIC1 Microphone Input 1 Referenced to VREF 24 MIC2 Microphone Input 2 Referenced to VREF 25 VREF Speech Reference Voltage (VCC/2) 26 VCC Speech Power Supply 27 TSOFT Transmit Softclipping Time Constant 28 SOFTL Transmit Softclipping Level Adjustment 29 IREF Resistor to Set Reference Current 30 VS Active Inductor and DC Characteristic Adjustment 31 SLPE DC Mask Slope Adjustment 32 AGND Analog Ground and Negative Line Voltage 33 ILL Long Line Speech Control Gain Adjustment (GMAX) 34 ISL Short Line Speech Control Gain Adjustment (GMAX - 6dB) 35 EAR+ Positive Earphone Output 36 EAR- Negative Earphone Output 37 GREC Receive Gain Adjustment 38 VZP Switch Mode Power Supply Internal Zener 39 SWP Switch Mode Power Supply Output 40 RSU Ring Start Up Level 41 RCO Ring Power Output Control 42 DTMF2 DTMF Filter 2 43 GND Power Ground and Negative Line Voltage 44 LSOUT Loudspeaker Output * Logic Interface. I - TEA7092 GENERAL INFORMATION (continued) TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT 4/57 |
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Descrição semelhante - TEA7092 |
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