YTD428 Datasheet, PDF (2/14 Pages) YAMAHA CORPORATION – DSU LSI for the ISDN Terminal Equipment

❒ Features
s Circuit Termination Section
s _{Conforms to TTC Standard JT-I430 and JT-G961}
q _{Digital four-wire time-division full-duplex operation}
q _{Two-wire time compression multiplexing operation}
q _{Transmission rate at U reference point: 320 kbit/s, at T reference point: 192 kbit/s}
q _{Frame assembling and disassembling function}
q _{State transition control}
q _{Loopback function}
q _{T reference point timing control}
(switch between short passive bus / extended passive bus, point-to-point)
q _{U reference point driver control}
s Line Termination Section
s _{Conforms to TTC Standard JT-G961}
q _{f equalizer}
q _{Bridged tap equalizer}
s T Reference Point Interface Section
q _{The T reference point driver / receiver section can be separated from DSU section, and use}
independently (TE mode). The user can enable or disable this feature as necessary.
s Others
q _{+5 V single power supply}
q _{100 pin SQFP}
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