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ST5451 - ISDN HDLC AND GCI CONTROLLER

Description

ST5451 HDLC and GCI controller is a CMOS circuit fully developed by STMicroelectronics and diffused in advanced 1.2 µm HCMOS3 technology.

The device is intended to be used mainly in ISDN applications, in Terminal (TE) and in Line Terminations (LT).

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Full PDF Text Transcription

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® ST5451 ISDN HDLC AND GCI CONTROLLER MONOLITHIC ISDN ORIENTED HDLC AND GCI CONTROLLER. GCI AND µW/DSI COMPATIBLE. FULLY CONTROLLING GCI AND GCI-SCIT M & C/I CHANNELS MANAGEMENT. FULLY SUPPORTING LAPB AND LAPD PROTOCOL ON B OR D CHANNEL. EASILY INTERFACEABLE WITH ANY KIND OF STANDARD NON MULTIPLEXED OR MULTIPLEXED BUS MICROPROCESSOR. DMA ACCESS WITH MULTIPLEXED BUS µP CAN HANDLE AND STORE AT THE SAME TIME TWO FRAMES IN TRANSMISSION (64bytes FIFO Tx) AND EIGHT FRAMES IN RECEPTION (64bytes FIFO Rx) COMPATIBLE WITH ALL THE STMicroelectronics ISDN PRODUCT FAMILY. SO28 ORDERING NUMBER: ST5451D PIN CONNECTION (Top view) GENERAL DESCRIPTION ST5451 HDLC and GCI controller is a CMOS circuit fully developed by STMicroelectronics and diffused in advanced 1.2 µm HCMOS3 technology.
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