TS7514CFN STMicroelectronics, TS7514CFN Datasheet
TS7514CFN
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TS7514CFN Summary of contents
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... The TS7514 conforms to CCITT V.23 recom- mendation. The chip incorporates DTMF dialing, line monitoring, tone and dialing detection. ORDER CODES Part Number Temperature Range Package o TS7514CP TS7514CFN PLCC28 PLCC28 5 25 ENP DGND ...
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TS7514 PIN DESCRIPTION Pin Number Name DIP24 PLCC28 MOD/DMTF 1 1 MODEM or DMTF Operating Mode Selection. Also controls write operations to control registers (if MOD/DMTF = 0 and MC/BC = 0). MC/ Digital Control Input. In MODEM ...
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Figure 1 : Simplified Block Diagram TS7514 CARRIER/TONE Tx DATA TxD FREQUENCY GENERATOR DMTF DATA INPUT SHIFT REGISTER PRD ENP RTS MC/BC MOD/DTMF CARRIER/TONE DCD LEVEL DETECTOR RX DATA FSK RxD DEMODULATOR ZCO Xtal OUT ATxI V+ DGND V- Tx ...
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TS7514 FUNCTIONAL DESCRIPTION The TS7514 circuit is an FSK modem for half-du- plex, voice-band asynchronoustransmissions on a 2-wire line according to CCITT recommendation V.23 or full duplex on 4 wire-line. The circuit features DTMF dialing, call status tone detection and ...
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Figure 3 : Detailed Block Diagram TS7514 5/19 ...
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TS7514 OPERATING MODES The various operating modes are defined by MC/BC and MOD/DTMF inputs, and by the content of a control register RPROG. The TS7514 includes 8 control registers. Access to each control register is achieved through an auxil- liary ...
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CARRIER LEVEL DETECTOR - Output Level Detection conditions The DCD signal detector output is set to logic state 0 if the RMS value of the demodulator input signal is greater than N1. The DCD output has logic state 1 if ...
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TS7514 DTMF DIALING DATA REGISTER (RDTMF REGISTER) Address Data ...
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RECEIVE FILTER SELECTION AND GAIN PROGRAMMING REGISTER (RPRF REGISTER) Address Data ...
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TS7514 RECEIVE CHANNEL PROGRAMMING REGISTER (RPRX REGISTER) Address Data Note active tone detection mode ...
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ABSOLUTE MAXIMUM RATINGS Symbol Parameter DGND DGND (digital ground) to AGND (analog ground) V+ Supply Voltage V+ to DGND ro AGND V– Supply Voltage V- to DGND or AGND V Voltage at any Digital Input I V Voltage at any ...
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TS7514 DC AND OPERATING CHARACTERISTICS (continued) Electrical characteristics are guaranteed over the complete temperature range, with typical load unless otherwise specified. Typical values are given for : V Symbol Parameter ANALOG INTERFACE - LINE MONITORING (WLO (load conditions , R ...
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DC AND OPERATING CHARACTERISTICS (continued) Electrical characteristics are guaranteed over the complete temperature range, with typical load unless otherwise specified. Typical values are given for : V Symbol Parameter TRANSMIT FILTER TRANSFER FUNCTION (load conditions : R G Absolute Gain ...
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TS7514 DC AND OPERATING CHARACTERISTICS (continued) Electrical characteristics are guaranteed over the complete temperature range, with typical load unless otherwise specified. Typical values are given for : V Symbol Parameter RECEIVE TRANSFER - GENERAL CHARACTERISTICS Absolute Filter Gain for : ...
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Receive Filter Transfer Characteristics Figure 7a : Main Channel 0 -10 -20 -30 -40 -50 -60 -70 0 FREQUENCY (kHz) Figure 7b : Back Channel - Narrow Band 0 -10 -20 -30 -40 -50 -60 -70 0.1 1 ...
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TS7514 CHARACTERISTICS OF TEST LINES Figure 8 CCETT LINE (FLAT kHz Figure 10 CCETT LINE 3 (90 kHz 16/19 Figure 9 ms CCETT LINE ...
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TYPICAL APPLICATION INFORMATION + External Signal 100nF GNDD GNDA ATxI V+ TxD U.A.R.T. RxD C PRD O RTS N MC/BC T MOD/DTMF M.C.U. R ENP O DCD L ZCO XTAL OUT S 3.579MHz EXTAL (LS04) (*) : ...
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TS7514 PACKAGE MECHANICAL DATA 24 PINS - PLASTIC DIP Millimeters Dimensions Min. Typ. a1 0.63 b 0.45 b1 0. 15.2 e 2.54 e3 27. 4.445 L 3.3 18/19 Inches Max. Min. Typ. 0.025 0.018 ...
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... No licence is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...