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CMX208S1 Datasheet(PDF) 5 Page - CML Microcircuits |
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CMX208S1 Datasheet(HTML) 5 Page - CML Microcircuits |
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5 / 25 page  ISDN Dual Telephony Protocol Engine CMX208 © 1999 Consumer Microcircuits Limited 5 D/208/1 © 1999 Chiron Technology Limited S1 Package 80QFP Signal Description Pin No. Name Type 29 A14 O/P Memory and Peripheral Address Bus 30 A13 O/P Memory and Peripheral Address Bus 31 A12 O/P Memory and Peripheral Address Bus 32 A11 O/P Memory and Peripheral Address Bus 33 A10 O/P Memory and Peripheral Address Bus 34 A9 O/P Memory and Peripheral Address Bus 35 A8 O/P Memory and Peripheral Address Bus 36 A/D7 BI Memory and Peripheral Address and Data Bus 37 A/D6 BI Memory and Peripheral Address and Data Bus 38 A/D5 BI Memory and Peripheral Address and Data Bus 39 A/D4 BI Memory and Peripheral Address and Data Bus 40 A/D3 BI Memory and Peripheral Address and Data Bus 41 A/D2 BI Memory and Peripheral Address and Data Bus 42 A/D1 BI Memory and Peripheral Address and Data Bus 43 A/D0 BI Memory and Peripheral Address and Data Bus 44 ASTB O/P Address/Data Bus Strobe (data bus selected if low) 45 DVSS0 Power The digital negative supply rail (ground) 46 ~ I/P For manufacturer's use only. Connect to DVSS directly 47 N/C O/P Do not make any connection to this pin 48 RINGP2 O/P POTS Port 2 Ringing Generator (low when not ringing) 49 RINGN2 O/P POTS Port 2 Ringing Generator (high when not ringing) 50 API-RXD I/P API/RS232 Port Rx Data (inactive = high) 51 API-TXD O/P API/RS232 Port Tx Data (high when inactive) 52 CLIP2 O/P POTS Port 2 Line Voltage Adjustment (low if sending FSK to a Caller Display unit, as it is intended to make the SLIC present a high impedance to the POTS line) 53 B1/B2N O/P B-channel Select (high selects channel B1). 54 ILFI O/P ISDN Line Failure Indicator 55 DV DD0 Power The digital positive supply rail. Levels and voltages are dependent upon this supply. This pin should be decoupled to DVSS by a capacitor |
Similar Part No. - CMX208S1 |
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Similar Description - CMX208S1 |
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