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ICM7101D Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers |
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ICM7101D Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers |
3 / 11 page Rev. 2.0 ICmic reserves the right to change the specifications without prior notice 3 PIN DESCRIPTION Pin No Symbol Description 1 AGND Analog Ground 2 VDD Supply Voltage 3 VDDI Supply Input Voltage Power for the chip is extracted from this pin 4 GND Ground 5 TXO Transmit Output Transmit output to be connected to external power transistor for the modulation of line voltage and for shorting the line during make period of pulse dialing. 6 VL Line Voltage 7 LLC Line Loss Compensation 0V = No LLC; AGND=Low LLC; VDD=High LLC. 8 FOPT0 Flash Option FOPT0=0 - 100ms FOPT0=1 - 600ms 9 MFL0 DTMF Level Option MFL0=0 - Low DTMF (~ -8/-10dB for ZAC=600ohm) MFL0=1 - High DTMF (~ -6/-8dB for ZAC=600ohm) 10 HS/DPB Hook Switch Input and Dial Pulse Output When off-hook, this pin is pulled high by the hook switch. During pulse dialing, this pin is pulled low during break periods. 11 OSC1 Oscillator Input 3.58MHz ceramic resonator input. 12 OSC2 Oscillator Output 13 RGD Ring Detection Input Input for ring frequency detection. 14 MO Melody Output Melody pulse output for tone ringer. 15 16 17 18 C4 C3 C2 C1 Keypad Columns Keypad column inputs. 19 20 21 22 R4 R3 R2 R1 Keypad Rows Keypad rows. These pins are also used to determine the operating mode. 23 24 M2 M1 Microphone Inputs Input for electret microphone. 25 CI Complex Impedance and AC Impedance Input Placing 47Kohm resistor between CI and AGND pins sets the AC impedance around 600ohm. The higher the resistor the higher the AC impedance. Lower resistor results in lower AC impedance. 26 RXO Receive Output These outputs drive a dynamic earpiece. 27 RXI Receive Input Input for received signal. 28 STB Side Tone Balance Input Side tone cancellation input. |
Similar Part No. - ICM7101D |
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Similar Description - ICM7101D |
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