TS7514CFN SGS-Thomson-Microelectronics, 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 TS7514CP TS7514CFN AXTL WLO ATO V+ ENP 5 AGND 6 ...
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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 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 Tx FILTER DMTF DATA ...
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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 Notes : This register is ...
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RECEIVE FILTER SELECTION AND GAIN PROGRAMMING REGISTER (RPRF REGISTER) Address Data Power-up configuration. Note 1 ...
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TS7514 RECEIVE CHANNEL PROGRAMMING REGISTER (RPRX REGISTER) Address Data Note active tone detection mode (MOD/DTMF = Ø, MC/BC = ...
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ABSOLUTE MAXIMUM RATINGS Symbol 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 Analog ...
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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 Figure 10 CCETT LINE 3 (90 16/19 Figure 9 ms CCETT LINE 2 (10 ...
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TYPICAL APPLICATION INFORMATION +5V External Signal 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 EXTAL (LS04) (*) : RegulationRequired in France Only POWER SUPPLIES DECOUPLING ...
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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 18/19 Max. Min. 0.31 0.009 32.2 16.68 0.598 ...
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PACKAGE MECHANICAL DATA 28 PINS - PLASTIC LEADED CHIP CARRIER PLCC) Millimeters Dimensions Min. Typ. A 12.32 B 11.43 D 4.2 D1 2.29 D2 0.51 E 9.91 e 1.27 e3 7.62 F 0. 1.24 M1 1.143 ...