XE0068DT Cermetek Microelectronics, XE0068DT Datasheet
XE0068DT
Specifications of XE0068DT
Related parts for XE0068DT
XE0068DT Summary of contents
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... FCC Registered DAA Module with DTMF Transmitter/Decoder Description The XE0068DT is an FCC registered telephone line interface which includes a DTMF transmitter, DTMF decoder and call progress monitor. FCC rules limit the signal level that equipment can place on the telephone line. The XE0068DT incorporates an Automatic Gain Control (AGC) circuit to control the output signal level ...
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... K 0.020 0.025 0.51 D XE0068DT ABSOLUTE MAXIMUM RATINGS Operating Temperature Range * Maximum Solder Temperature Maximum Time Above Eutectic (183 * The XE0068DT can be ordered with an Operating Temperature of -40 Specify Model Number XE0068DT-ITR. XECOM Max 58.17 27.81 13.08 23.11 30.73 5.08 2.54 13 ...
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... XE0068DT Typical Connection Diagram Address Decode AD0-AD7 /WR /RD A8-A15 Recommended Parts Designation Description C1, C2 470 picoFarad, 3000 Volts (Sprague part Number 30GA-T47) FB1, FB2 Ferrite Beads (TDK part Number CB30-453215B) XE0068DT Call Progress Detection Circuit XE0068DT St/GT ESt Volts To IRQ XECOM XE0068DT +5V VCC Tip D3 ...
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... Read and Write determine the direction of DTMF data. A low on /WR with /RD high allows the processor to write to the XE0068DT. 7 /RD I Read and Write determine the direction of DTMF data. A low on /RD with /WR high allows the processor to read from the XE0068DT low on Chip Select, selects the XE0068 DTMF data bus. 9 ...
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... XE0068DT Register Selection Table 1 below shows the combination of RS0, /WR, and /RD to select each register. Table 1 RS0 / DTMF Codes Table 2 below shows the 4-bit codes applied to D0-D3 to represent each DTMF Digit. Table 1 DTMF Digit XE0068DT Status Register Table 3 below defines the bit codess which can be read from the status register. ...
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... XE0068DT Control Register A Table 4 below defines the XE0068DT operations set by the bits in Control Register A. Table 4 Bit Signal 0 TOUT 1 CP/DTMF 2 IRQ 3 RSEL XE0068DT Control Register B Table 5 below defines the XE0068DT operations set by the bits in Control Register B. Table 4 Bit Signal 0 Burst 1 Test 2 S/D ...
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... When call progress mode is also selected ex- tended bursts of 102 milliseconds can be sent. Single Tone Generation The XE0068DT may be used to generate single tones as well as tone pairs. Control Register B regulates single tone transmission. Call Progress Mode Call Progress Mode allows detection of the various tones used to identify the status of a call. ...
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... XE0068DT Electrical Specifications Parameter Power Supply Current Ring Indicate Active Coupler Match Output impedance AGC Input Range Maintaining steady output level AGC Output Level D/V held high AGC Output Level D/V held low Billing Delay OH activated Transhybrid Loss at 1000 Hz Receive Loss ...
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... XE0068DT Read/Write Clock Pulse Timing RD/WR Signal Definition t Read/Write Rise Time r t Read/Write Fall Time f t Read/Write Cycle period cyc t Read/Write pulse width high pwh t Read/Write pulse width low pwl XECOM pwh Min Typ 250 100 150 (9) t pwl Max Units ...
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... XE0068DT Read Timing RD CS/RS0 Data Bus Signal Definition t Address Setup Time as t Address Hold Time ah t Read Pulse Width Low pwl t Read Pulse Width High pwh t Read to Valid Data ddr t Data Hold Time (Read) dhr XECOM t pwl dhr ddr Min Typ ...
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... XE0068DT Write Timing WR CS/RS0 Data Bus Signal Definition t Address Setup Time as t Address Hold Time ah t Write Pulse Width Low pwl t Write Pulse Width High pwh t Data Setup Time (Write) dsw t Data Hold Time (Write) dhw XECOM t pwl dsw dhw Min ...
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... The device may not be used on coin service lines provided by the telephone company (this does not apply to private coin telephone applications which use standard telephone lines). Connection to party lines is subject to state tariffs. FCC Registration Number Ringer Equivalence Telephone Jack XECOM DWEUSA-75283-DP-W 0.5B RJ11C (12) (REN) for this XE0068DT ...
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... Xecom reserves the right to modify specifications and/or prices without notice. Product mentioned herein are used for identification purposes only and may be trade- marks and/or registered trademarks of their respective companies. XECOM Xecom Incorporated 374 Turquoise Street, Milpitas, CA 95035 Ph:408-945-6640 Fax:408-942-1346 Email: info@xecom.com (13) XE0068DT ...