UCB1500

( DataSheet : www.DataSheet4U.com ) UCB1500 PCI to AC97 bridge/host controller Rev. 01 — 4 February 2000 Objective specification 1. General description UCB1500 is a PCI-to-AC97 Bridge/Host Controller for modem or audio codecs equipped with the AC-link interface. It integrates a PCI 2.2 compliant interface for communication with the host PC, with built in support for PPMI (PCI Power Management Interface) and wake-up. It also integrates an AC97 Rev. 2.1 compliant host controller for connection to up to two AC-Link codecs, including analog modem front ends such as the Philips UCB1510, and audio codecs. Optional EEPROM AC97 Interface PCI Interface Host PC UCB1500 DAA UCB1510 GPIO Phone Line c c Fig 1. Application with Philips UCB1510 analog modem front end 2. Features s 32-bit PCI 2.2 interface with bus master support x Support up to two PCI functions with independent scatter/gather DMA x PPMI and wake-up support via PME and VAUX x Download of subsystem IDs and auxiliary power consumption via optional serial EEPROM x 5 V tolerant interface for motherboard/PC add-on s AC97 rev 2.1 compliant host controller interface x Supports up to two codecs x Supports variable sample rate via the SLOTREQ protocol and valid tag bits x Low latency GPIO data transfer x Support modem wake-up on ring from D3cold www.DataSheet4U.com Philips Semiconductors UCB1500 PCI to AC97 bridge/host controller s Advanced power management support x PPMI (PCI Power Management Interface) x Instantly avail...