73m2901cl TDK Corp., 73m2901cl Datasheet
73m2901cl
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73m2901cl Summary of contents
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... TDK SEMICONDUCTOR CORP. DESCRIPTION The 73M2901CL is a single-chip modem that combines all the controller (DTE) and data pump functions necessary to implement an intelligent V.22bis data modem adequately suited for embedded applications where a data return channel is needed through the telephone network such as Set top Box, Point of Sale Terminal, Automatic Teller machine, Hand Held Communication Device and Smart Card Reader ...
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... CPU. Instruction processing and activity on the internal busses is halted. Normal operation is resumed when an interruption such as assertion of character is sent to the 73M2901CL TXD input reset occurs. ANALOG LINE / HYBRID INTERFACE The 73M2901CL provides a differential analog output (TXAP and TXAN) and a single-ended analog input (RXA) with internal A/D and D/A converters ...
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... The signals for 25ms, acknowledging the reset operation, within 11.0592 MHz a 250ms time window after the reset-triggering event. The 73M2901CL is ready for operation after that 250ms window and/or after the signals and ASYNCHRONOUS AND SYNCHRONOUS SERIAL DATA INTERFACE 18pF or 20pF 75 max ...
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... V.22bis Single Chip Modem DIGITAL INTERFACE PIN DESCRIPTION PIN 32 pin 32 pin NAME PLCC TQFP RESET 13 9 RXCLK 31 27 TXCLK 28 24 TXD 27 23 RXD 30 26 USR10 12 8 USR11 USR20 1 29 EXTERNAL INTERRUPTS PIN DESCRIPTION ...
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... Tip and Ring Tip and Ring Tip and Ring Tip and Ring 0.2KHz – 4.0KHz RXA SFR 96. Vref=1.25V 1KHz 450mVpk on RXA nd rd THD=2 and 3 harmonic ; dBm=10log(V rms 5 73M2901CL V.22bis Single Chip Modem MIN NOM MAX -43 -48 2 -43 -9 -70 -65 150 18.8 19.3 19.8 0.587 ...
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... V.22bis Single Chip Modem TRANSMITTER PARAMETER ITU Guard tone power Calling Tone Answer Tone power DTMF Transmit power Gain adjust tolerance Total Harmonic Distortion (THD) Intermod Distortion Power supply rejection ratio MAXIMUM TRANSMIT LEVEL PARAMETER QAM DPSK FSK DTMF (HIGH TONE) ...
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... Vss<Vin<Vdd CONDITIONS MIN Vdd=3.3V 1.19 Vdd=3.3V 1.19 Vdd=3.3V, steady state SYMBOL CONDITIONS MIN IDD1 30pF/pin IDD2 30pF/pin IDD3 30pF/pin SYMBOL CONDITIONS MIN IDD1 30pF/pin IDD2 30pF/pin IDD3 30pF/pin 7 73M2901CL MIN NOM MAX UNIT -0.5 0.8 -0.5 0.2Vdd +5.5 Vdd+0.5 0.45 0 NOM MAX 1.25 1.31 1.25 1.31 50 NOM MAX 9.5 10.5 900 ...
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... V.22bis Single Chip Modem DC SUPPLY CURRENT VDD = 3.3V PARAMETER Maximum Power supply, normal operation Maximum power supply Idle mode Maximum power supply Power down mode DC SUPPLY CURRENT VDD = 3.6V PARAMETER Maximum Power supply, normal operation Maximum power supply Idle mode Maximum power supply ...
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... The host can also program the modem to power down via external pin (DTR) or via a firmware command. * Refer to the TDK 73M2901CL User Guide for a complete description of the software. V.22bis Single Chip Modem FIRMWARE FEATURES “AT” command set Supports data standards through V ...
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... The TDK 73M2901CL is an enhanced version of the TDK 73M2901C and has a number of new features. These parts are highly compatible with the earlier * (refer to the TDK 73M2901CL User Guide for complete details) 73M2901 however special attention should be paid when changing an existing 73M2901 design to use the 73M2901CL ...
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... RST RI RESET C7 C8 2901CL_TQFP32 0.1uF 0.1uF RINGB/PPUB/LIUB/LREVB DCDB DSRB CTSB RTSB LIUCHECKB R20 22K 10uF 0.1uF VCC3_3 VCC3_3D 11 73M2901CL V.22bis Single Chip Modem ISOLATION BARRIER R17 475 T1P3 TXAP T1 3 R15 5.1K C4 .082UF C20 4 RXA_TAP RXA 0.1uF 671-8005 R23 NC R13 R2 21K ...
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... V.22bis Single Chip Modem TYPICAL USA APPLICATION SCHEMATIC ISOLATION BARRIER T1 CID_COUPLED CLL5239B 9.1V 0. 671-8005 LDA110* U3 TLP627 LIUDET U10P2 U4 TLP627 U11P2 PPU Circuit R4 R5 13K 13K R3 33K Q3C Q3B CMPT6429 Q3EQ2E C15 R12 + 20K R14 10uF ...
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... BER CURVES V.22bis Single Chip Modem BER vs. SNR BER vs. Receive Level 13 73M2901CL ...
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... V.22bis Single Chip Modem 32 PIN PLCC PIN-OUT PIN NAME 1 USR20 VND 6 VPD PIN TQFP PIN-OUT PIN NAME 1 VND 2 VPD USR11 8 USR10 44 PIN LQFP PIN-OUT PIN NAME 1 N/C 2 VPD USR11 8 USR10 9 RESET 10 N/C 11 VND ...
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... N/C 1 VPD USR11 7 USR10 8 RESET 9 N/C 10 VND 44-Pin LQFP 73M2901CLIGT 15 73M2901CL V.22bis Single Chip Modem 32-Pin TQFP 73M2901CLIGV VPD 32 N/C 31 TXCLK 30 TXD 29 N/C 28 VND 27 VPD 26 OSCIN 25 OSCOUT 24 VND 23 N/C ...
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... V.22bis Single Chip Modem MECHANICAL DRAWINGS 32 Pin PLCC 73M2901CLIH 16 ...
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... V.22bis Single Chip Modem 32 Pin TQFP 73M2901CLIGV 17 73M2901CL ...
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... V.22bis Single Chip Modem ORDERING INFORMATION PART DESCRIPTION 73M2901CL 32-Pin Plastic Leaded Chip Carrier 73M2901CL 32-Pin Thin Quad Flat Pack 73M2901CL 44-Pin Quad Flat Pack No responsibility is assumed by TDK Semiconductor Corporation for use of this product nor for any infringements of patents and trademarks or other rights of third parties resulting from its use ...