UCB1510

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UCB1510 数据手册

UCB1510

AC97 digital modem codec

Rev. 01 — 4 February 2000

Preliminary speciﬁcation

1. Description

The UCB1510 is a single chip, integrated mixed signal telecom codec that can

directly be connected to a DAA and supports high speed modem protocols. The

general purpose I/O pins provide programmable inputs and/or outputs to the system.

The UCB1510 has a serial AClink interface intended to communicate to the system

controller. Both the codec input data and codec output data and the control register

data are multiplexed on this interface.

2. Features

■ Sigma delta telecom codec with programmable sample rate, including digitally

controlled input voltage level, mute, loop back and clip detection functions. The

telecom codec can be directly connected to a Data Access Arrangement (DAA)

and includes a built in sidetone suppression circuit

■ AClink (rev 2.1) interface with secondary codec support

■ 3.3 V supply voltage and built in power saving modes make the UCB1510 optimal

for portable and battery powered applications

■ 5 V tolerant interface for motherboard/PC add on

■ Maximum operating current 25 mA

■ 8 general purpose IO pins for line interface control

■ Interrupt detection driven wake up sequence for ring detect

■ Low cost 12.288 MHz crystal

3. Applications

■ Standalone modems

■ Integrated modems

■ Audio/Modem Riser (AMR) Cards

■ Mobile Daughter Cards (MDC)

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