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Integrated Audio/Communications System Device Family with Host-
Processed (HSF) V.90/K56flex Modem and PCI Bus Interface
The Conexant RipTide
LP Audio/Comm Device Family combines audio and
communications performance with built-in PCI Bus and peripheral interfaces into
two hardware devices and supporting PC software (see Figure 1 and Table 1). The
devices are the Audio Communications Controller and the Audio Modem Codec.
Audio system operation is supported by the Conexant WaveStream
64 (WS64) or
Mega WaveStream
software wavetable synthesis.
Conexant V.90/K56flex
modem operation is supported by host-processed (HSF or
SoftK56) MMX-based signal processing.
The Audio Communications Controller (ACC or Controller) integrates standard PCI
Bus, MPU-401, I
2S, analog/digital joystick, and Audio Modem Codec interfaces into
a single 128-pin TQFP (RACC011).
The Audio Modem Codec (AMC or Codec) combines two coder/decoder functions,
compliant with Intel Audio Codec ’97 2.1 extensions for combo audio modem codec
(AMC’97), into a 64-pin TQFP which supports one telephone line (RAMC021).
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Microsoft PC 98 and PC 99 compliant
AC ’97 Codec V2.1 compliant (AMC’97)
Supports applications for Windows 98 (WDM),
Windows 95, Windows NT 4.0, Windows 2000, Sound
Blaster Pro, Adlib/OPL3, MS DOS, DOS box
V.90/K56flex Modem
Patented PCI Sound Blaster emulation
Hardware FM synthesis
WaveStream 64-voice software wavetable synthesis
Mega WaveStream software wavetable synthesis
Soft DVD Support
Hardware 3D spatialization and bass boost
MMX-accelerated HRTF-3D (A3D)
High quality sample rate converter (1 Hz resolution)
PCI Bus master interface with Scatter/Gather DMA
PME# signal support ACPI, PCI-PM, OnNow
Supports Caller ID storage in D3cold with Vaux
Advanced Power Management
Hardware digital mixer and volume control
DirectSound acceleration
Analog/digital joystick interface
One sample rate tracking I2S input port
MIDI/MPU-401 Interface
Packaging
ACC: 128-pin TQFP
AMC: 64-pin TQFP
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PCI cards
Laptop and notebook computers
Embedded PC motherboards
AC '97
Audio
Communications
Controller (ACC)
[RACC011:
128-Pin TQFP]
AMC '97
Audio Modem
Codec (AMC)
[RAMC021:
64-Pin TQFP]
AC-LINK
PCI BUS
Telephone Line/
Telephone
Handset
Interface
(DAA)
TELEPHONE
HANDSET
LINE (L,R), CD (L,R), AUX (L,R)
VIDEO AUDEO (L,R), MIC1, PC BEEP
LOUT (L,R), HP (L,R),
MONOOUT (L,R),
I2 S
MIDI (IN AND OUT)
JOYSTICK (A AND B)
EEPROM
1200F1 BD
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