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ISDN HDLC FIFO controller with S/T and PCI interface and U-chip support - Single chip ISDN-S-controller with B- and D-channel HDLC support - Independent Read and Write HDLC-Channels for 2 ISDN B-channels and one ISDN D-channel - B1- and B2-channel transparent mode independently selectable - FIFO-Memory-Window: 4x 7.5 KByte (B-channel) and 2x 512 Byte (D-channel) - max. 31 HDLC frames (B-channel) and 15 HDLC frames (D-channel) per channel and direction in FIFO - 56 kbit/s restricted mode for U.S. ISDN lines selectable - full I.430 ITU S/T ISDN support in TE and NT mode - B1+B2 HDLC mode - PCM30 interface configurable to interface MITEL STTM bus (MVIPTM), Siemens IOM2TM or CITM for interface to U-chip or external codecs - integrated PCI Spec. 2.2 bus interface (power management included, ACPI ready) for 3.3V and 5V bus signal environment - direct access to PCM30 interface for tone synthetisation - 3.3V and 5V supply voltage Datenblatt: HFC-SP.pdf