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pci128的加强版，我坚信如此，一块很普通的声卡，卖点完全不是运算能力，更没有硬件可挖掘性。- D9 y+ d) E9 i& X D
从定位可以看出来，他正是取代pci128的卡。。。0 i# R; z8 A* r' I
所谓的x-fi SB0790 只是一个带着x-fi 名义的低端卡，如同x-fi mb，难道你认为 realtek 和 adi 也流着x-fi的血？
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0 q) b6 c* @4 @7 s( g3 c% |6 wok，CA0106是查不到创新给的信息了" W* c/ Y$ y1 y3 H0 V( ]
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很接近SB0790的PCIE版本SB0820
6 K% Q' v" V9 }. Q7 |芯片为CA0110，创新对其的定义为：X-Fi driven PCI Express audio chip: F# A+ E' ?9 ~- m- S. ]
ok，我们再来看下正宗x-fi芯片CA20K1的定义，Top of the line X-Fi driven PCI audio chip with built-in DSP。
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重点就是，built-in DSP。
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+ f0 G \& h* u2 [* w来一个CA0110的介绍- 4 B! c% w6 @) ^7 O5 ]* ?6 h
- CA0110 is a PCI Express audio chip using the CA0111 audio mode or High Definition Audio mode. The CA0110 PCI Express audio chip supports the following features. W) }& L, h* m* o+ H/ `
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- PCI specification 2.3 compliant. Universal Audio Architecture (UAA) v1.0 compliance.
2 g& ~( s. J" L; V4 t# g - Supports 32-bit PCI addressing.
' x$ q. y `% L$ O% e - Playback of 5 stereo audio channels of sample rate up to 192 kHz 24-bit or 16-bit data, via PCI bus interface. . V9 y" X. C; N6 I( \. t( F: ?! F+ _
- HDA mode,
# Z* i) H& k; R - - Supports 3 independent DMA stream for 4 stereo channels, 1 stereo headphone channel and 1 stereo digital channel.0 ]4 b# B' R( o- l- Y
- - All 3 DMA stream are independent (sampling rate, bit format) from each other.
( d3 P( P" h! L/ E) n O& R - - Supports Microsoft 'out-of-the-box' HDA driver
& }2 R6 v* O: Q - CA0111 mode
. q7 H4 \8 O/ W2 W8 | - - Same playback mode as original CA0111 playback FIFO design.
1 p! S+ j) K0 O6 r5 ?+ h - Audio output. 1 m$ ]- ^5 K" N3 x) C+ Z! P- l) F6 Q; K
- HDA mode,8 I7 K7 |1 I' a1 A
- - When playing PCM stream through analog out, digital output will listen to the analog stream and playback the same data when digital stream is idle.7 q: H- J- o- \* a# K' I( C
- - I2S Output supports sampling rate of 44.1kHz, 48kHz, 96kHz and 192kHz.
7 F8 Y* \9 d0 @4 t' T7 A; i - - SPDIF Output[0] will play Non-PCM data when digital stream is enable, analog output will not play any Non-PCM stream.
( C5 O+ o1 D0 Z: B/ F - - I2S Output[4] can be of different sample rate from I2S Output[0]-I2S Output[3]. O3 C! ^9 B2 ~: b$ P
- CA0111 mode
5 E+ \: a$ N* O+ O+ K7 u - - Same playback mode as original CA0111 playback FIFO design but there is no sample rate converter. Analog and digital output must be of the same sample rate.
& L# A& L# K$ B* l! Y4 u2 O6 N3 X - Audio input $ M: u- e8 S, U6 \
- HDA mode
! V) f9 ~) {& t# j - - Supports 3 independent DMA stream for 1x stereo Line In, 1x stereo Mic In and 2x stereo SPDIFIn. a# H. k; s" S5 \' H
- - LineIn and MicIn supports sampling rate of 48KHz, 96KHz and 192KHz.
& U; E7 D; |& D$ ` - - SPDIFIn supports sampling rate of 44.1Khz, 48KHz and 96KHz.
) Y. a7 k/ L: O6 B: L: d! _3 ^ - - All streams can have independent bit resolution and sample rate from each other.
1 E& q6 Y, x# {. C1 ^& U) d% I - CA0106 mode9 M, w4 p4 `4 C6 b+ \) ^
- - Same as original CA0111.
- t+ @1 @ Y, U' L - In default, 6 GPO and 10 GPI pins with de-bouncing logic and interrupt capabilities. In addition, there will be 2 GPI_POWER and 4 GPO_POWER with no de-bouncing logic and no interrupt capability.
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( d+ w+ o$ _. r2 \( Zok，我们再来看/ S( a, K% A$ n% j( p" K( y E
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CA0111这个芯片的说明
% H: R; L2 @- ~$ A6 \- CA0111 is a PCI chip that is PCI specification version 2.3 compliant. It encompasses the following features:8 z0 t; K" z' k9 y' u: s& Y' C
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# {% a, {7 O& i5 U6 L8 x- Playback of 4 stereo audio channels of sample rate up to 192kHz 24-bit data, via PCI bus interface. 1 d6 X9 N1 G! ^4 L( I! P6 j
- Digital interface to AC97 1.03 or AC97 2.2 CODEC interface that supports up to 6 channel of fixed 48kHz 20-bit playback and a 48kHz ADC recording channel.
' p+ u: {3 n0 W# f8 T - Support 6-channel AC97 at fixed sample-rate of 48kHz
7 o2 X$ G3 F* D, B& Y q - Four stereo 24-bit SPDIF output interfaces with output sample rate of 44.1, 48, 96 and 192kHz. All SPDIF output will be lock to one single rate at any one time. # ]" K0 [7 d3 K f" r& S: Z
- Four stereo 24-bit I2S output interfaces with output sample rate of 48, 96 or 192kHz. All I2S output will be locked to one single rate at any one time.
; t. h2 e2 y1 q6 ?) ~8 n - Support 4 stereo I2S DAC at sample-rate of 48, 96 and 192kHz
6 J, Y5 N6 |/ D7 l - Stereo recording channel with from AC97 at 48kHz. " F( E- `4 A W( o4 w; e7 Q6 |
- One SPDIF input that support input rate up to 96kHz rate.
! b5 |5 F. `, t+ q6 q/ c0 q/ M6 j - Two I2S input that support input rate up to 192kHz.
( K w# K& q) L1 U: f* m - Support 2 stereo I2S ADC at sample-rate up to 192kHz 5 p5 w$ b; c3 D t; f# Z) s& k0 a. }
- Up to 4 stereo Record FIFO channel that is able to record to 24-bit data direct from SPDIF input, I2S inputs, AC97 CODEC interface or internal recording from mixers. 7 Q. H$ q( P$ x3 t% J h8 A
- Analog joystick (PCI speed compensated)
# O& U m, X( a# D2 n* K- ? - 8 general-purpose configurable IO pin. In default, 4 GPO and 4 GPI pins with de-bouncing.% U; b! \0 [, I7 @$ `& @; `* T$ [
5 ]! e+ T2 V1 {7 Q) I z2 I! [大体可以判断出，CA0111是CA0106的封装改进版。% J! T; o$ S' c; Z& E" `
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: ^( D' v# M; U9 ?. Y9 g8 `给两个简单的datasheet
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" U: J9 i- b8 \- J1 V; n$ ~, QCA0106的PCI-E + HDA 增强版CA0110 U, r1 O/ M) V; I
http://www.creative.com/oem/resources/Chips/CA0110.pdf
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正宗X-FI) _! p7 C4 R# D1 U
http://www.creative.com/oem/resources/Chips/CA20K1.pdf: j+ E5 V( @$ R6 ^- P7 c# Z2 m
( X0 A4 J1 i( ~$ n7 B* e9 h可以看出，CA0110为标准I/O控制芯片。 |
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发表于 2009-4-28 14:35
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