Agere Systems DSP1648 (Mars-3)

Chipset data:

Manufacturer

Agere Systems formerly Lucent Technologies

Applications

PCI bus controllerless (HCF) modem

Linux support

Agere/Lucent has not released an official Linux driver for the Mars-3 chipsets.
However, they do supply proprietary code in kit form to the volunteer developers.
Volunteer "Linmodem" project: LTModem Drivers for Linux

2002-03-26: The current Linux driver does not support V.92. Modems with the 1648B/C DSP should work in V.90 mode, though.

Components

  1648      Mars-3 DSP (V.90)           100-pin TQFP
  1648B     DSP (V.92/V.44)             100-pin TQFP
  1648C     Mars-3.2 DSP (V.92/V.44)    100-pin TQFP
  1027      Audio Codec (optional)       48-pin TQFP
  1034C     Line Codec                   48-pin TQFP
  

TFQP=Thin Quad Flat Package

Image

Typical application