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FM801-AU の電気的特性と機能

FM801-AUのメーカーはForteMediaです、この部品の機能は「PCI Audio Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 FM801-AU
部品説明 PCI Audio Controller
メーカ ForteMedia
ロゴ ForteMedia ロゴ 




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FM801-AU Datasheet, FM801-AU PDF,ピン配置, 機能
F ortéMedia
FM801-AU
PCI Audio Controller
The ForteMedia FM801-AU is designed to
suit the most cost-effective, practical, PCI
Audio solution for both desktop computer
and notebook computer. It integrates the
essential features of today’s gaming
requirements without compromising the
PC98 criterion for audio quality. FM801-AU
integrates the PCI 2.2 bus master controller,
music synthesis, SoundBlaster Pro Engine,
sampling rate converter, digital mixer,
CODEC interface, game ports, I2S ports and
S/PDIF port. The FM801 solution leverages
its simple but effective hardware/software
architecture and the uprising HSP (host-
based signal processing) support on Direct
Sound, WaveTable and Direct 3D positional
audio, and is therefore the most practical
PCI audio solution. The CODEC interface
is fully compliant to AC-97 ver.2.1 and is
capable of supporting multiple speakers for
either docking application or merely a PC
theater set up for gaming and audio
enjoyment. With its 3.3 volts operating
voltage, ACPI power management, PME
and PCI clock-run supports, plus a small
100-pin PQFP package size, the FM801
surely is the right choice for today’s PCI
audio solution.
Audio Features
Proprietary Logic for Real DOS SoundBlaster
Pro games support
Hardware Synthesizer for AdLib and General
MIDI compatibility
Optional QSound HSP dynamic 3-D positional
audio support
Variable Rate SRC(sampling rate converter) support
AC-97 2.1 compliance
Multiple speakers, 2/4/6 channels support
Hardware push button volume control
(up/down/mute)
Dual game ports support; MPU-401 and I2S port
S/PDIF Digital input
S/PDIF AC-3 raw data output support
18 bits Audio CODEC support
PCI and Others
3.3 V operating voltage with 5V tolerance
PCI v.2.2 compliance with bus master and
scatter-and-gather capability
Proprietary Legacy mode, DDMA, Serial IRQ,
and PC/PCI support
Four GPIO (General Purpose I/O) pins
ACPI and PCI CLKRUN power management
DOS,Win95,98,NT,WDM,Linux,OSS drivers
100 pin PQFP package, 14 x 14 x 1.4 mm
FM801 Typical Add-On Card Application
Rev. 2.0
May 00
FM801-AU DataSheet
ForteMedia, Inc. San Jose, CA
Page 1

1 Page





FM801-AU pdf, ピン配列
F ortéMedia
FM801-AU
PCI Audio Controller
Interrupt Pin Register ( R ) ................................................................................................. 22
Min Grant Period for PCI burst ( R ) .................................................................................. 23
Max Latency for PCI Grant( R ).......................................................................................... 23
Legacy Audio Control Register ( R/W ) ............................................................................... 23
Vendor ID Writeable Register ( R/W )................................................................................. 23
Device ID Writeable Register ( R/W ) ................................................................................. 24
Subsystem Vendor ID Writeable Register ( R/W )................................................................ 24
Subsystem ID Writeable Register ( R/W ) ............................................................................ 24
Capabilities ID ( R ) ........................................................................................................... 24
Next Item Pointer ( R )........................................................................................................ 24
Power Management Capabilities ( R )................................................................................. 25
Power Management Control/Status ( R/W )......................................................................... 25
FM801-AU PCI GAMEPORT DEVICE CONFIG. REGISTERS SUMMARY TABLE ............................. 26
FM801-AU PCI GAMEPORT DEVICE CONFIG. REGISTERS DETAILED DESCRIPTION ................... 27
Vendor ID Register ( R ) ..................................................................................................... 27
Device ID Register ( R )...................................................................................................... 27
PCI Command Register ( R/W ) .......................................................................................... 27
PCI Status Register ( R /W)................................................................................................. 28
Revision ID Register ( R ) ................................................................................................... 28
Programming Interface Register of Class Code ( R )........................................................... 28
Sub-class code Register of Class Code ( R )........................................................................ 28
Base-class Code Register of Class Code ( R ) ..................................................................... 29
Latency Timer Register ( R/W )........................................................................................... 29
Header Type Register ( R ) ................................................................................................. 29
Base Address Register ( R/W ) ............................................................................................ 29
Subsystem Vendor ID ( R ) .................................................................................................. 30
Subsystem ID ( R ) .............................................................................................................. 30
Capabilities Pointer ( R ).................................................................................................... 30
Interrupt Line Register ( R/W )............................................................................................ 30
Interrupt Pin Register ( R ) ................................................................................................. 30
Min Grant Period for PCI burst ( R ) .................................................................................. 30
Max Latency for PCI Grant( R ).......................................................................................... 31
Legacy Audio Control Register ( R ) ................................................................................... 31
Vendor ID Writeable Register ( R/W )................................................................................. 31
Device ID Writeable Register ( R/W ) ................................................................................. 31
Subsystem Vendor ID Writeable Register ( R/W ) ................................................................ 32
Subsystem ID Writeable Register ( R/W ) ............................................................................ 32
Capabilities ID ( R ) ........................................................................................................... 32
Next Item Pointer ( R )........................................................................................................ 32
Power Management Capabilities ( R )................................................................................. 32
Power Management Control/Status ( R/W )......................................................................... 33
FM801-AU PCI CONTROL REGISTERS.............................................................................. 34
FM801-AU AUDIO DEVICE CONTROL REGISTERS SUMMARY TABLE ......................................... 34
FM801-AU AUDIO DEVICE CONTROL REGISTERS DETAILED DESCRIPTION................................ 35
PCM Out Volume................................................................................................................ 35
FM Out Volume .................................................................................................................. 35
I2S Volume ......................................................................................................................... 35
Digital Recording Source Select ......................................................................................... 36
Playback Channel Control.................................................................................................. 36
Rev. 2.0
May 00
FM801-AU DataSheet
Page 3
ForteMedia, Inc. San Jose, CA


3Pages


FM801-AU 電子部品, 半導体
F ortéMedia
FM801-AU
PCI Audio Controller
PCI Interface
The PCI Interface is designed per specification of PCI rev.2.2 with scatter and gather capability, it
provides the interface to the 33MHz, 32-bit PCI bus with the ability to support PCI configuration
(PCI Plug & Play), PCI slave I/O cycles and PCI bus master memory read/write cycles. It interfaces
to all the internal blocks, serving as the gate to the system. This block can be further partitioned
into 3 sub-blocks, DMA Controller, PCI slave IF and PCI master IF. PCI slave IF handles the PCI
configuration and also translates the PCI I/O cycles to internal I/O cycles. Moreover, this sub-block
is also the center of power controlling to the whole chip. PCI master IF mainly interfaces to the
Streaming Engine and internal DMAC, providing the scheme of system memory access or DMA
emulation to the SB Engine. It contains 2 sets of Ping-Pong buffer(16bytesX2) for playback and
capture. DMA Controller will provide the functionality of ISA DMA Controller, thus resolving the
legacy Audio issues on PCI bus. It also provides the address when PCI bus master is activated. It
also provides the Plug-and-Play (PnP) compatibility with the Intel/Microsoft PnP specification. It
support PCI interrupts and DMA channels, and allows the PC to automatically configure it into the
system upon power up
PC/PCI
PC/PCI is a mechanism that was defined and developed by Intel's Mobile/Handheld Products Group
(MHPG) as a mobile docking solution which allows ISA slots to exist in docking stations connected
to the notebook's PCI bus. This scheme is now being applied to the desktop PC as well. By
providing a new arbitration construct, consisting of a serialization protocol for encoding and
decoding DMA requests/grants, a request/grant pair, distinct from the PCI bus pair, is used to
bundle requests for any combination of 8237 supported DMA channel(s) for each device needing
DMA support. This encoded mapping on the PC/PCI agent's request/grant pair provides the
pathway that enables a PCI resident agent to deliver 8237 style DMA requests to the system without
requiring separate and distinct DREQ/DACK# pins for each DMA channel that is used by the
PC/PCI agent.
Intel LX chipsets are currently support PC/PCI functionality .
FM Synthesizer
This is a 20-voice, 4-operator music synthesis. This block interfaces to the PCI slave block,
allowing the host system to control the synthesis parameters via I/O access.
Legacy DOS Game Engine, MIDI Port and Game Port
This section includes 3 sub-blocks: SB-Pro compatible state machine, bi-directional MPU-
401/MIDI port and Game port.
Legacy DOS Game Engine
It interfaces to the PCI for Real DOS Game legacy I/O port access and DMA emulation. It
supports DDMA, “Serial-IRQ”, PC/PCI and ForteMedia’s own proprietary modes.
MIDI Port
A bi-directional MIDI interface is provided to allow connection of external MIDI devices. The
MIDI interface includes 16-byte FIFOs for the MIDI TX and RX paths.
Rev. 2.0
May 00
FM801-AU DataSheet
ForteMedia, Inc. San Jose, CA
Page 6

6 Page



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部品番号部品説明メーカ
FM801-AU

PCI Audio Controller

ForteMedia
ForteMedia


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