參數(shù)資料
型號(hào)： CMX218
英文描述： ISDN Data and Telephony-Protocol Engine???
中文描述： ISDN數(shù)據(jù)和語(yǔ)音通信協(xié)議引擎？？？
文件頁(yè)數(shù)： 27/34頁(yè)
文件大?。?/td> 353K
代理商： CMX218
ISDN Data and Telephony Protocol Engine (no X.25)
CMX218
1999
Consumer Microcircuits Limited
1999
Chiron Technology Limited
27
D/218/1
1.6
Application Notes
1.6.1
General
The CMX218 is intended for use as part of an ISDN chipset. The CML recommended hardware
implementation contains the following elements (refer to Figure 3):
‘S’ bus interface via RJ45 socket.
RJ11 analogue telephone socket and analogue circuitry.
ISDN line transformer.
AMD79C30 S-interface controller.
Single asynchronous RS232 interface via 9-way or 25-way D-type connector.
64K bytes external RAM.
16K Non-volatile memory.
Ten processor controlled LED indicator signals.
HDLC drivers for the 2 ISDN B-channels, both channels can be used for data transfer.
Figure 3 Application Block Diagram
1.6.2
Approvals
The firmware and finite state machine embedded in the CMX218 have been used in products which
have gained ETSI CTR3 approval.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CMX218S1 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:ISDN Data/Telephony Protocol Engine
CMX228 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISDN Protocol Engine? D-Channel Data??
CMX228S1 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:ISDN Protocol Engine with D - channel Data
CMX264 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:Frequency Domain Split Band Scrambler
CMX309 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CLOCK OSCILLATORS
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