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UCB1500 fiches techniques PDF

NXP Semiconductors - PCI to AC97 bridge/host controller

Numéro de référence UCB1500
Description PCI to AC97 bridge/host controller
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UCB1500 fiche technique
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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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