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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。
8 s3 c7 N7 f& S; e6 a# C从定位可以看出来,他正是取代pci128的卡。。。
, }; f1 ~5 o% o8 A2 r) V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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5 O9 l. ^/ G/ @3 G8 K7 u& ]ok,CA0106是查不到创新给的信息了
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很接近SB0790的PCIE版本SB08200 [' b% U* M' f u: I- y
芯片为CA0110,创新对其的定义为:X-Fi driven PCI Express audio chip6 |- u# {3 \ M- K! A* Z+ c- Z" {
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。# E7 }: y8 B/ ?/ O) X/ I
" [, K7 c+ Y) G- N$ r; J; O重点就是,built-in DSP。. p7 d( q1 T% f/ L& t+ F
0 S$ v1 [, m( y来一个CA0110的介绍
) `! i! @ n& X% A# {- 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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! {- \# a7 g1 x5 u$ B; N- PCI specification 2.3 compliant. Universal Audio Architecture (UAA) v1.0 compliance.
0 T' d/ @4 c% ]) ]- i3 I - Supports 32-bit PCI addressing. + Y( p$ ~: x1 x; D& V# m
- Playback of 5 stereo audio channels of sample rate up to 192 kHz 24-bit or 16-bit data, via PCI bus interface.
8 a' L0 o2 a& f% A( | - HDA mode,( L- A' P7 g2 [. d
- - Supports 3 independent DMA stream for 4 stereo channels, 1 stereo headphone channel and 1 stereo digital channel.2 d6 h6 B+ u% J" _8 P3 W8 \. ]
- - All 3 DMA stream are independent (sampling rate, bit format) from each other." ^& L" B; F4 ~
- - Supports Microsoft 'out-of-the-box' HDA driver
/ G3 j# k9 L; c' x - CA0111 mode# Q8 x( V3 s1 ~4 W |
- - Same playback mode as original CA0111 playback FIFO design. , N6 G: H5 |6 n2 t1 m- U9 s0 p
- Audio output.
3 Q3 H9 x! O# t2 b5 Y. Z& x - HDA mode,% k' a, I1 X, Z' w
- - 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.
4 Y' k4 J' u( I% s7 r - - I2S Output supports sampling rate of 44.1kHz, 48kHz, 96kHz and 192kHz.% V& w y, o( g3 U
- - SPDIF Output[0] will play Non-PCM data when digital stream is enable, analog output will not play any Non-PCM stream.* a- V* |* H$ m! U. w& H
- - I2S Output[4] can be of different sample rate from I2S Output[0]-I2S Output[3].
$ e2 o! }& _9 U; X - CA0111 mode
, e, E5 p. i4 @8 d - - 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.
" c! k# [2 N3 `# l4 S9 l+ { - Audio input
' R$ s' p8 K5 i7 B1 L0 U3 R - HDA mode, g x" _4 J, V
- - Supports 3 independent DMA stream for 1x stereo Line In, 1x stereo Mic In and 2x stereo SPDIFIn" ^5 [9 [6 X' J. ?& v, r
- - LineIn and MicIn supports sampling rate of 48KHz, 96KHz and 192KHz.
( b6 h5 A) I/ Q. d; h - - SPDIFIn supports sampling rate of 44.1Khz, 48KHz and 96KHz.
$ r7 B# \/ E$ p. D) C- H$ M( t - - All streams can have independent bit resolution and sample rate from each other. : o8 x/ R1 h- p
- CA0106 mode' g' q# t2 g/ m# ~5 r* g
- - Same as original CA0111.
1 \' Z+ g% ~1 e9 G; k - 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. + q5 Q# w! Z; z8 } C
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。
1 U: p0 v4 a+ I9 G v e( c* |2 J0 [& iok,我们再来看
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3 T9 r0 k) L4 c) r5 R7 U1 d5 xCA0111这个芯片的说明
& P2 D4 L; J8 G, q: K, j- CA0111 is a PCI chip that is PCI specification version 2.3 compliant. It encompasses the following features:
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1 q9 d& J6 X1 y: j$ ~9 D- Playback of 4 stereo audio channels of sample rate up to 192kHz 24-bit data, via PCI bus interface. 7 d3 ^' p; u& k
- 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. 5 Y2 x3 D6 Z P0 }5 l- O3 ?
- Support 6-channel AC97 at fixed sample-rate of 48kHz
' A" r8 f" R) w, o% p$ r8 C - 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.
! |" G4 c; [% _9 [2 p# r3 y( a - 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.
/ q* J& N: P Y) G# }$ \' D. m - Support 4 stereo I2S DAC at sample-rate of 48, 96 and 192kHz
% e0 k/ n. U7 z6 ~! e$ s - Stereo recording channel with from AC97 at 48kHz.
1 |# U* j0 t8 D3 f4 W - One SPDIF input that support input rate up to 96kHz rate.
Y$ O5 d8 N, Q* C9 C5 n+ R1 X9 } - Two I2S input that support input rate up to 192kHz.
( q4 h \5 B% q) Z' y- n8 K - Support 2 stereo I2S ADC at sample-rate up to 192kHz 7 G) _+ Z- h1 j; O0 {9 B8 s
- 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.
; c6 p1 j# b' c+ q: s - Analog joystick (PCI speed compensated) " x8 R; f/ c1 V, ?- i
- 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。9 z0 k* p0 O! ?0 O9 ~- P
3 }+ H6 U7 s n5 k8 K4 Z大体可以判断出,CA0111是CA0106的封装改进版。
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. f4 ^/ b- }9 R; {" G: A: C给两个简单的datasheet
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CA0106的PCI-E + HDA 增强版CA0110
8 v% k7 \. j; w0 W _http://www.creative.com/oem/resources/Chips/CA0110.pdf, x- ?, x& Q7 y7 b+ Y+ N( V
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正宗X-FI
5 P2 n6 A# ^, v1 xhttp://www.creative.com/oem/resources/Chips/CA20K1.pdf- Q7 P( s* m9 P: X
" E$ V# u2 }, H可以看出,CA0110为标准I/O控制芯片。 |
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