U4091BM-RFNY 19 Atmel, U4091BM-RFNY 19 Datasheet
U4091BM-RFNY 19
Specifications of U4091BM-RFNY 19
Related parts for U4091BM-RFNY 19
U4091BM-RFNY 19 Summary of contents
Page 1
... The circuit is line-powered and contains all components necessary for signal amplification and adaptation to the line. The Atmel U4091BM-R can also be supplied via an external power supply. An integrated voice switch with loudspeaker amplifier enables hands-free or open-listening operation. With an anti-feedback function, acoustic feedback during open listening can be reduced significantly ...
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... Figure 1-1. Block Diagram Speech Atmel U4091BM-R 2 Voice circuit switch Serial bus DTMF Audio amplifier Clock Data MCU Reset Tone ringer 4872B–CORD–01/11 ...
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... Figure 1-2. Detailed Block Diagram 4872B–CORD–01/11 Atmel U4091BM-R 3 ...
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... Pin Configuration Figure 2-1. Pinning SSO44 Atmel U4091BM RECIN TXACL 3 MIC3 42 4 MIC2 MIC1 6 39 RECO2 7 38 RECO1 IND SENSE 10 Atmel 35 U4091BM 11 GND SAO2 31 SAO1 14 VMPS 30 15 VMP 16 29 VMIC 28 17 TSACL 27 18 VRING 26 19 IMPA 20 25 COSC 21 24 SWOUT 23 22 ...
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... Time constant for mode switching of voice switch 34 TLDR Time constant of receive-level detector 35 INLDR Input of receive-level detector 36 INLDT Input of transmit-level detector 37 TLDT Time constant of transmit-level detector 38 IMPSW Switch for additional line impedance 39 MICO Microphone preamplifier output Note: 1. The protection device at pin RECIN is disconnected. 4872B–CORD–01/11 (1) Atmel U4091BM-R 5 ...
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... L = ------------------------------------------------------------------------------------------ - The U4091BM-R contains two identical series regulators which provide a supply voltage VMP of 3.3V suitable for a microprocessor. In speech mode, both regulators are active because VMPS and VB are charged simultaneously by the DC line interface. The output current is 6mA. The capacitor at VMPS is used to provide the microcomputer with sufficient power dur- ing long line interruptions ...
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... The frequency for the melody is generated by the DTMF/Melody generator answering machine, the chip is powered by an external supply via pin VB. The answering machine connections can be directly made to Atmel U4091BM-R. The answering machine is connected to the pin AMREC. For the output AMREC, an AGC function is selectable via the serial bus ...
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... Table 7-1. Atmel U4091BM 100) and the efficiency of the step-down converter is approximately 65%. IMPA ® U4091BM-R provides an output signal for the microcontroller. This output signal is Threshold Level RINGTH[0: Step Clock Output CLK[0:1] ...
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... The Atmel U4091BM-R drives the data line. The fast read cycle is indicated by a strobe signal. With the following two clocks the Atmel U4091BM-R reads out the status bits RFDO and LIDET which indicate that a ringing signal or a line signal is present (see on page 4872B– ...
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... A pulsed signal means high impedance phases of 1/6 of the period occur between the high and low phases. Table 10-1. Table 10-2. Table 10-3. Atmel U4091BM-R 10 Status of Melody Generating Decimal DTMFM[0:2] ...
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... Atmel U4091BM-R Level 2.5dB 3.5dB Tone/ DTMF Name Error (%) Freq –0.008 697 4 A# –0.016 770 4 B –0.003 852 4 C 0.014 941 4 C# 0.018 ...
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... Figure 10-3. Fast Read Cycle Atmel U4091BM-R 12 Write cycle Data from µP Normal read cycle Strobe from µP Fast read cycle CLOCK DATA D7=IZC D6=IVE Strobe Data from Atmel U4091BM from µ R/W=0 Strobe from µ Data from U4091BM D0 4872B–CORD–01/11 ...
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... Switch on MIC/AMREC I1O5 Switch on MIC/AGCI I2O1 Switch on DTMF/LTX I2O2 Switch on DTMF/SA I2O3 Switch on DTMF/EPO I2O4 Switch on DTMF/AMREC I2O5 Switch on DTMF/AGCI I3O1 Switch on LRX/LTX I3O2 Switch on LRX/SA I3O3 Switch on LRX/EPO I3O4 Switch on LRX/AMREC I3O5 Switch on LRX/AGCI I4O1 Switch on AMPB/LTX Atmel U4091BM-R Status ...
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... AGARX R7B4 R7B5 R7B6 R7B7 R8B0 R8B1 R8B2 EARA R8B3 R8 Line R8B4 impedance R8B5 R8B6 R8B7 Atmel U4091BM-R 14 Name Description I4O2 Switch on AMPB/SA I4O3 Switch on AMPB/EPO I4O4 Switch on AMPB/AMREC I4O5 Switch on AMPB/AGCI I5O1 Switch on AGCO/LTX I5O2 Switch on AGCO/SA I5O3 Switch on AGCO/EPO ...
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... Selection clock frequency for microcontroller CLK1 Selection clock frequency for microcontroller RTH0 Ringer threshold adjustment LSB RTH1 Ringer threshold adjustment RTH2 Ringer threshold adjustment RTH3 Ringer threshold adjustment MSB TME0 Test mode enable (low active) TME1 Test mode enable (high active) Atmel U4091BM-R Status ...
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... Adjustment for calculated transmit log amp CLOT2 Adjustment for calculated transmit log amp CLOT3 Adjustment for calculated transmit log amp CLOT4 Adjustment for calculated transmit log amp MSB ® U4091BM-R + microcontroller) is woken up by any of the following and Figure 12-4 on page 18). Status ...
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... AFSCON is controlled directly by the LOG outputs. Figure 12-1. Basic System Configurations MICRO MICO CTU CTLO RTU TLDT INLDT LOG SA 4872B–CORD–01/11 ® U4091BM-R has a very efficient feedback-suppression circuit which TXA CBNMT BNMT LOG CALCT BNM Mode control LOG CALCR CT BNMR ...
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... Figure 12-2. Power-on Reset (Line) Figure 12-3. Power-on Reset (Ringing) Figure 12-4. Power-on Reset (Low Voltage Reset) Atmel U4091BM-R 18 Line LID IVDD OSCOUT t on VMP Reset 4 start-up oscillator on VRING VB IVDD VMP OSCOUT t on Reset Line LID VMP LVI Reset OSCOUT t rt ...
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... The differential output (AFST, AFSR) of the block MODECON controls AFSCON. The effect of I1-I4 in 4872B–CORD–01/11 Figure 12-6 on page Table 12-1 on page 20. Atmel U4091BM-R Figure 12-5 on page 22). If the circuit is in idle ), the comparator’s output will rms 22). They monitor the background noise by ...
Page 20
... Receive means the receive attenuator is fully on, and the transmit attenuator idle mode, the transmit and receive attenuator are at half of their maximum 4. Switching to full transmit or receive modes from the idle mode is done at a fast rate Atmel U4091BM-R 20 Mode Decision for Signal Sensing ...
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... The level detectors disagree on the relative strengths of the signal levels, and – At least one of the background-noise monitors indicates speech – Both speakers are quiet (no speech present), or – When one speaker speech level is continuously overridden by noise at the other speaker’s location 22. It operates as follows: Atmel U4091BM-R 21 ...
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... Figure 12-5. Dial Tone Detector Figure 12-6. Background Noise Monitor Figure 12-7. Generation of Control Voltage (CT) for Mode Switching Atmel U4091BM OUT + - I 4 35mV V DTD TLDR + + (TLDT 56kΩ 36mV 33kΩ control 10µA Control TX circuit I FI 10µ mode control BNMR (BNMT) 1µ ...
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... Figure 12-8. Block Diagram Hands-free Mode Atmel Figure 12-9. Block Diagram Hands-free Mode Atmel U4091BM-R 4-point Signal Sensing MICRO 4872B–CORD–01/11 ® U4091BM-R 2-point Signal Sensing TXA MICRO AFS control SA SAI TXA LOGT BNMT Mode control CLOGR AFS control SA SAI ...
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... The current range of IL can be doubled by ADCR. If ADCR is High, S has the value 0.5, otherwise The source impedance at ADIN must be lower than 250kΩ. Accuracy: 1 LSB + 3% Figure 13-1. Timing of ADC Figure 13-2. ADC Input Selection Atmel U4091BM-R 24 SOC 50µs EOC IL x 20mV/( ADIN 0 ...
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... V4 = (2.5V / 0.4) × 128 VMPS V5 = (2.5V / 0.4) × 128 VMP × (V – Ref) × 128 TLDR × (V – Ref) × 128 TLDT p Not used - V4 = (2.5V / 0.4) × 128 SAO1 Offcan1 Atmel’s internal use Offcan2 - Offcan3 - Not used - Not used - Not used - Atmel U4091BM-R 25 ...
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... The outputs RXLS, EPO and AMREC have a gain of 0dB. The offset at the outputs of the matrix is less than 30mV switch is open, the path has a damping of more than 60dB. Figure 14-1. Switch Matrix Diagram Atmel U4091BM-R 26 AGCO AMPB LRX DTMF MIC ...
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... I3O5 Switch on LRX/AGCI R3B7 I4O1 Switch on AMPB/LTX R4B0 I4O2 Switch on AMPB/RXLS R4B1 I4O3 Switch on AMPB/EPO R4B2 I4O4 Switch on AMPB/AMREC R4B3 I4O5 Switch on AMPB/AGCI R4B4 I5O1 Switch on AGCO/LTX R4B5 I5O2 Switch on AGCO/RXLS R4B6 I5O3 Switch on AGCO/EPO R4B7 I5O4 Switch on AGCO/AMREC Atmel U4091BM-R 27 ...
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... LTX signal. In this condition, the frequency and phase response of the STB block will repre- sent the frequency curve on line. In real life, the line impedance ZL varies strongly for different users. To obtain good suppres- sion with one application for all different line impedances, the STB function is programmable. Atmel U4091BM-R 28 LTX DIFF1 ...
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... Switching matrix 7dB --> -48dB Offset MIC cancel 6dB steps 1dB steps 0dB AMPB 0dB AGCO Atmel U4091BM-R × × 9dB) LTX -10dB Offset cancel 32dB --> -23dB SAO1 RXLS 6dB 1.5dB steps SAO2 26dB --> -3dB and RECO1 -10dB (DTMF) ...
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... Input resistance of MIC amplifier Input resistance of MIC3 amplifier Gain difference between MIC1/MIC2 to MIC3 Distortion at line Maximum output voltage Note: 1. This is a period of time the bus requires from the end of a data transmission and before a new transmission can be started Atmel U4091BM-R 30 Symbol ...
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... EA[0: 100Ω ear EA[0: 14mA 68nF + 100Ω ear EA[0: 600Ω Each output against GND I = 6.5mA 1mA 300mA 200mV GEN EA[0:4] = 21, ENMIC = ETX = I101 = 0 Atmel U4091BM-R = 25° 68nF + 100Ω, ear Symbol Min. Typ. No – –19 R – 14.7 15.7 Δ ...
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... Maximum output power differential Output noise (input AMPB open) psophometrically weighted Gain deviation Note: 1. This is a period of time the bus requires from the end of a data transmission and before a new transmission can be started Atmel U4091BM 1.3MΩ amb Test Conditions I = 6.5mA, I ...
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... MICG[0: MICHF = 1, MICG[0: MICG[0: MICHF = 0 MICHF = 1 5τ , FOFFC = 0 5τ , FOFFC = 5mV AMPB V = 50mV, d< 5% AMPB 20dB overdrive = 0.6V AMPB rms I4O5 = I5O4 = 1, I4O4 = 0 I4O4 = 1 Atmel U4091BM-R = 25° 68nF + 100Ω, ear Symbol Min. Typ. VSAO ΔG SA ΔG – 170 f – ...
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... ERX = ETX = ENMIC = ENSTBAL = I1O1 = I3O3 = 1, SL[0: LF[0: P[0:4] = 31, AGARX[0: Adjustment range of attenuation Attenuation of transmit gain Attenuation of speaker amplifier Note: 1. This is a period of time the bus requires from the end of a data transmission and before a new transmission can be started Atmel U4091BM 1.3MΩ amb Test Conditions ...
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... IMPA V = 20.6V RING ENSA = ENSAO = high to low RING Low to high, RINGTH [0: Low to high, RINGTH [0: DRINGTH = 30V RING SDA, SCL, INT SDA I = 3mA SDA SCL HIGH LOW Atmel U4091BM-R = 25° 68nF + 100Ω, ear Symbol Min. Typ. V 3.1 3 MPS V 1.5 MIC V 5 6.0 6 ...
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... Test Circuits Figure 19-1. Basic Test Circuit Atmel U4091BM-R 36 4872B–CORD–01/11 ...
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... Figure 19-2. Test Circuit for Ringing 4872B–CORD–01/11 Atmel U4091BM-R 37 ...
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... Bus Timing Figure 20-1. Bus Timing Diagram SDA t wSTA SCL hSTA 21. Ordering Information Extended Type Number U4091BM-RFNY U4091BM-RFNG3Y T4091R-DDB 22. Package Information Package SSO44 Dimensions in mm 0.3 0 Atmel U4091BM hDAT H sSTA Stop Start Package SSO44 SSO44 Die 18.05 17.80 16.8 t hSTA t t sSTOP ...
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... Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4872B-CORD-01/11 4872B–CORD–01/11 Atmel U4091BM-R History • Section 21 “Ordering Information” on page 38 changed 39 ...
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