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UCB1500 Datasheet

  • UCB1500

  • PCI to AC97 bridge/host controller

  • 58頁

  • PHILIPS

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UCB1500
PCI to AC97 bridge/host controller
Rev. 01 鈥?4 February 2000
Objective speci鏗乧ation
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 V
AUX
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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