CMX615P3 CMLMICRO [CML Microcircuits], CMX615P3 Datasheet
CMX615P3
Related parts for CMX615P3
CMX615P3 Summary of contents
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D/615/4 December 1999 Features Pre-Programmed Tone Generators Fully Integrated DTMF Encoder SPM Generator Simple Serial Control Interface ‘Zero-Power’ (1µA) Standby Mode 3.58MHz Xtal/Clock V23/Bell 202 FSK Generator Digital Ringing Voltage Generator 1.1 Brief Description The CMX615 is an integrated telecom ...
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Digital Line to POTS Interface Section 1.1 Brief Description.........................................................................................1 1.2 Block Diagram ............................................................................................3 1.3 Signal List ...................................................................................................4 1.4 External Components.................................................................................6 1.5 General Description....................................................................................7 1.5.1 Xtal Osc and Clock Dividers.......................................................7 1.5.2 Uncommitted Amplifier...............................................................7 1.5.3 Tone/FSK Encoder and Tone Encoder ......................................7 1.5.4 ...
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Digital Line to POTS Interface 1.2 Block Diagram 1999 Consumer Microcircuits Limited Figure 1 Block Diagram 3 CMX615 D/615/4 ...
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Digital Line to POTS Interface 1.3 Signal List CMX615 D4/P3 Pin No. 1 XTALN 2 XTAL/CLOCK 3 SERCK 4 COMDATA 5 REPDATA TONEFSK 10 1999 Consumer Microcircuits Limited Signal Name Type O/P The output of the ...
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Digital Line to POTS Interface CMX615 D4/P3 Pin No. Name OPPIN 13 OPNIN 14 OPOUT 15 RING 16 V Notes: I/P = Input O/P = Output T/S = 3-state Output It is recommended that the printed circuit ...
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Digital Line to POTS Interface 1.4 External Components R1 100k X1 3.579545 MHz Resistors ±5%, capacitors ±10% unless otherwise stated. 1999 Consumer Microcircuits Limited Figure 2 Recommended External Components W C1 CMX615 18pF 1.0µF D/615/4 ...
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Digital Line to POTS Interface 1.5 General Description The CMX615 is a telecom tone generator and DTMF tone encoder. It has separate output ports for the three different classes of signals encoded. These include Ringing signal, In-band tones or FSK ...
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Digital Line to POTS Interface Tone Field 0, MODE Register bit 1 and bit 0 = ‘0’ and ‘0’ respectively. TX TONES Register Bits 4 ...
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Digital Line to POTS Interface Tone Field 2, MODE Register bit 1 and bit 0 = ‘1’ and ‘0’ respectively TX TONES Register Bits 4 ...
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Digital Line to POTS Interface 1.5.4 SPM Generator This block operates independently and has its own output pin. controlled by bit 4 of the SETUP Register. Bit 7 of the MODE Register is used to enable or disable this block. ...
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Digital Line to POTS Interface One Start bit (Space) Eight Data bits (D0-D7) from the TX DATA Register, with the lsb (D0) transmitted first One Stop bit (Mark) Failure to load the TX DATA Register with a new value when ...
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Digital Line to POTS Interface 1999 Consumer Microcircuits Limited Figure 4 ‘C-BUS’ Transactions 12 CMX615 D/615/4 ...
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Digital Line to POTS Interface 1.5.8 ‘C-BUS’ Registers Write Only Registers Addr. Register 7 $01 RESET N/A $D0 SETUP Uncommitted Amplifier Powersave 1 = Not Powersave $D1 MODE SPM O/ Disable 1 = Enable $D3 TX ...
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Digital Line to POTS Interface 1.6 Application Notes When using the Tone/FSK bit (bit 6) of the MODE Register, each tone starts from V V before ending: BIAS When switching between tones in the same column (bits ...
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Digital Line to POTS Interface On Hook ‘CPE Alert Tones Single Tone (Hz) 375.2 404.3 468 495.8 520.6 548 562.8 578.4 1633 NYNEX (MRAA) - AMR Alert Tones (Single Tone) Group A (Hz) 252.4 268.7 285.3 315.5 330.5 375.2 Single ...
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Digital Line to POTS Interface Dual Frequency Call Progress Tones Additive Mixing (Hz) Off 350+440 440+480 480+620 400+425 400+450 425+450 425+480 120+620 150+450 Dual Tone Multi Frequency Generation (Hz) Off 941+1633 697+1209 697+1336 697+1477 770+1209 770+1336 770+1477 852+1209 852+1336 852+1477 ...
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Digital Line to POTS Interface CCITT ‘R1’ Signalling Tones (Hz) 700+900 700+1100 900+1100 700+1300 900+1300 1100+1300 700+1500 900+1500 1100+1500 1300+1500 700+1700 900+1700 1100+1700 1300+1700 1500+1700 CCITT ‘R2’ Signalling Tones Forward mode (Hz) Off 1380+1500 1380+1620 1500+1620 1380+1740 1500+1740 1620+1740 1380+1860 ...
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Digital Line to POTS Interface 1999 Consumer Microcircuits Limited Figure 7a ASYNC mode after General Reset 18 CMX615 D/615/4 ...
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Digital Line to POTS Interface 1999 Consumer Microcircuits Limited Figure 7b SYNC mode after General Reset 19 CMX615 D/615/4 ...
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Digital Line to POTS Interface 1999 Consumer Microcircuits Limited Figure 7c SYNC mode after General Reset (using alternative order of commands) 20 CMX615 D/615/4 ...
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Digital Line to POTS Interface 1.7 Performance Specification 1.7.1 Electrical Performance 1.7.1.1 Absolute Maximum Ratings Exceeding these maximum ratings can result in damage to the device. Supply ( Voltage on any pin ...
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Digital Line to POTS Interface 1.7.1.3 Operating Characteristics For the following conditions unless otherwise specified 2.7V at Tamb = 25°C and V DD Xtal Frequency = 3.579545MHz 0dBm corresponds to 775mVrms. DC Parameters I Zero-Power Mode DD OpAmp ...
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Digital Line to POTS Interface SPM Signal Level Level at SPM pin Tone frequency accuracy Tone output distortion Output Impedance Uncommitted Amplifier Open Loop Gain (I/P = 1mVrms at 100Hz) Unity Gain Bandwidth Input Impedance (at 100Hz) Output Impedance (Open ...
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Digital Line to POTS Interface ‘C-BUS’ Timings (See Figure 8) t CSN-Enable to Clock-High time CSE t Last Clock-High to CSN-High time CSH t Clock-Low to Reply Output enable time LOZ t CSN-High to Reply Output 3-state time HIZ t ...
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... Packaging Figure 9 16-pin SOIC (D4) Mechanical Outline: Order as part no. CMX615D4 Figure 10 16-pin DIL (P3) Mechanical Outline: Order as part no. CMX615P3 Handling precautions: This product includes input protection, however, precautions should be taken to prevent device damage from electro-static discharge. CML does not assume any responsibility for the use of any circuitry described. No IPR or circuit patent licences are implied ...
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CML Microcircuits COMMUNICATION SEMICONDUCTORS In the process of creating a more global image, the three standard product semiconductor companies of CML Microsystems Plc (Consumer Microcircuits Limited (UK), MX-COM, Inc (USA) and CML Microcircuits (Singapore) Pte Ltd) have undergone name changes ...