UCB1500 Просмотр технического описания (PDF) - Philips Electronics

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производитель

UCB1500

PCI to AC97 bridge/host controller

Philips Electronics 

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

Host PC

PCI Interface

UCB1500

AC97

Interface

UCB1510

DAA

Phone

Line

GPIO

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

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