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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。
/ P5 ~8 d6 G, j/ J4 M从定位可以看出来,他正是取代pci128的卡。。。/ X, M" P3 h9 M" _- n
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?/ D) A0 ?- g. d$ i# E/ s! [: f# |
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ok,CA0106是查不到创新给的信息了, Q3 n, K. }3 I. d3 Y
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很接近SB0790的PCIE版本SB0820
7 {/ @/ E0 W8 A* p, E& T芯片为CA0110,创新对其的定义为:X-Fi driven PCI Express audio chip
, r4 W5 M' g& hok,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。- T: V" J* h: i s3 ` |; _
! W. Z& V5 s# z( p6 K, R* P+ Q重点就是,built-in DSP。
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2 d) w! K, R: x来一个CA0110的介绍
* I8 g" ]7 N# c0 Z0 k- 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.
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- 6 W3 ~6 P1 {$ D" L" o" m
- PCI specification 2.3 compliant. Universal Audio Architecture (UAA) v1.0 compliance.
/ \) w* ]/ M) v - Supports 32-bit PCI addressing.
6 ]: ]0 @: I% u3 s - Playback of 5 stereo audio channels of sample rate up to 192 kHz 24-bit or 16-bit data, via PCI bus interface. & O2 {$ j3 P$ J$ g" z2 _3 S
- HDA mode,9 K+ d, I" r I1 Y
- - Supports 3 independent DMA stream for 4 stereo channels, 1 stereo headphone channel and 1 stereo digital channel.
9 B7 q2 `8 E+ Y0 Z6 h& n! W3 U - - All 3 DMA stream are independent (sampling rate, bit format) from each other.
( R3 {4 i- Y- z - - Supports Microsoft 'out-of-the-box' HDA driver ' T3 T5 I. [' ]0 m- k
- CA0111 mode
' M1 O' n+ w6 E1 m3 @( w1 i - - Same playback mode as original CA0111 playback FIFO design.
% O! ~# T) c, I. I& P+ u! r - Audio output. * T x; ]0 e7 V; E
- HDA mode,) S6 { j! W- F" ^6 T5 N
- - 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.
+ R) D3 O9 A- X - - I2S Output supports sampling rate of 44.1kHz, 48kHz, 96kHz and 192kHz.. k; t0 o6 E9 J* U; R2 d8 ~+ c2 S, s
- - SPDIF Output[0] will play Non-PCM data when digital stream is enable, analog output will not play any Non-PCM stream.
- c0 j! T* S9 \/ n4 E - - I2S Output[4] can be of different sample rate from I2S Output[0]-I2S Output[3]. 5 Y; h" b5 h! o! `9 e9 O2 {3 ^% @6 |
- CA0111 mode" T7 T4 C+ s+ o+ f, h
- - 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.- u, `6 { u; _. o
- Audio input
4 W5 [" M+ D) f6 O$ l+ r - HDA mode
- [5 q& n) u5 n3 h0 L - - Supports 3 independent DMA stream for 1x stereo Line In, 1x stereo Mic In and 2x stereo SPDIFIn- b. W; }& A2 y5 ^, M7 q& Z( t& ]+ a
- - LineIn and MicIn supports sampling rate of 48KHz, 96KHz and 192KHz.- O) I5 O5 z; y, O |7 f3 U5 ]
- - SPDIFIn supports sampling rate of 44.1Khz, 48KHz and 96KHz.1 P' m: L/ B8 d0 I" U- S
- - All streams can have independent bit resolution and sample rate from each other.
8 N$ ]' q+ o8 p- {( ?7 i. R: a - CA0106 mode
6 }3 G* q) [. p5 R8 s) n0 C3 Y; m - - Same as original CA0111.
1 Q8 Y# [1 c& P - 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. ( L! E. p0 N( P6 n& F
复制代码 其中可以看出,模式 分 HDA模式 和 传统模式,其中在输入中提到了CA0106模式,和CA0111相同。
! A7 E) }: [9 d3 Cok,我们再来看; [+ v2 } L/ E7 t
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CA0111这个芯片的说明- ! z1 z9 f; L+ y. ]6 Z9 a8 p
- CA0111 is a PCI chip that is PCI specification version 2.3 compliant. It encompasses the following features:
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4 J& Q/ W8 b: f6 V# x5 C3 e; {- Playback of 4 stereo audio channels of sample rate up to 192kHz 24-bit data, via PCI bus interface. 3 u" o; w& I6 p# S
- 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.
) C8 v& S3 k6 v) |$ _6 r - Support 6-channel AC97 at fixed sample-rate of 48kHz 9 g( i* W! U9 Q- M% d7 {8 J
- 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.
- h- n2 ~( a3 ]1 J3 b - 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. 5 T ?. O4 W4 x9 r0 a5 g2 ]1 g
- Support 4 stereo I2S DAC at sample-rate of 48, 96 and 192kHz 7 n$ `) M; k6 D
- Stereo recording channel with from AC97 at 48kHz. 6 h$ n+ @! m( P) |6 Z
- One SPDIF input that support input rate up to 96kHz rate. 8 Q& |0 \* @) B, H3 ~
- Two I2S input that support input rate up to 192kHz. ) n: ? v, f9 U1 X; ]8 m
- Support 2 stereo I2S ADC at sample-rate up to 192kHz
8 x4 Y) _* w( V. B# L" } - 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. ( j! G @2 y L
- Analog joystick (PCI speed compensated)
7 @2 h: v' Q1 B) z# P ~/ Z1 | - 8 general-purpose configurable IO pin. In default, 4 GPO and 4 GPI pins with de-bouncing.
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复制代码 一个标准的AC97声卡。8 B0 t. U3 ]- b; Y( M5 W
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大体可以判断出,CA0111是CA0106的封装改进版。+ Q, s. B% \) Y& _
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给两个简单的datasheet
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CA0106的PCI-E + HDA 增强版CA01104 [* W6 b0 M: l" d! s8 y
http://www.creative.com/oem/resources/Chips/CA0110.pdf b& y$ ~8 D8 H- B
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正宗X-FI$ m9 }7 ^, f# d# f
http://www.creative.com/oem/resources/Chips/CA20K1.pdf
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可以看出,CA0110为标准I/O控制芯片。 |
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