请大家推荐两款芯片

kingt001

如题，因项目需要用到两款芯片，一颗是RGB888转HDMI,另外一颗是HDMI转RGB888的芯片。请有用过不错的兄弟们推荐下！最好是附上规格书，谢谢！

bingshuihuo

谢谢超级狗同志的回复！

bmzyluo

联阳半导体倒是有几颗芯片，可以自己去查查。

超級狗

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/ h0 H- K0 j3 N- Z  D4 x  ~( eFull HD = 1920 x 1280 x 60Hz = 147.456MHz
) c# V6 c% \, D* E. S0 n1080p = 1920 x 1080 x 60Hz = 124.416MHz
  O& O; Y* m; r7 l720p = 1280 x 720 x 60Hz = 55.296MHz

Front Porch 和 Back Porch 不算就要這麼大的頻寬了！
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2 x, N0 z- s8 J8 [樓主想要什麼樣的解析度（Resolution）？
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看過 RGB（DPI）界面的時脈大都不超過 100MHz。720P 應該是擠得下，再不然是 1080i@60Hz 或是 1080p@30Hz。

- a7 }& V4 f8 r, I2 m. O* o但我還是沒有芯片可提供，希望其他前輩指點了。
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{:soso_e135:}

超級狗

Silicon Image HDMI Transmitter with 24 bit RGB Input
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+ o" b3 a& x2 nSiI9022
+ \+ `6 ~; d+ }) Q& @HDMI 1.4a transmitter with 24-bit RGB input
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7 {0 E" I! {9 ]SiI9024
HDMI 1.4a transmitter with 24-bit RGB input and integrated HDCP support

; \2 ^6 O; [# V2 u' C對不起！我沒有芯片資料。
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{:soso_e159:}

超級狗

NXP HDMI Transmitter with 24 bit RGB Input

TDA9981B
: u2 P5 s( J/ Y7 s/ P0 r4 J7 P0 qHDMI 1.2a transmitter with 24-bit RGB input

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超級狗

Silicon Iamge Dual HDMI Receiver with RGB Output
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SiI9135
Dual HDMI 1.3 receiver with 30-bit RGB output

接收芯片看到的大多是雙輸入！

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kingt001

超級狗 发表于 2013-4-25 09:27
8 y' j& g' l8 d4 v. C+ U) U- MSilicon Iamge Dual HDMI Receiver with RGB Output

# t5 r+ `$ |+ P9 v3 \1 zSiI9135

  I6 f4 C& h: g谢谢超级狗同志的回复！

kingt001

超級狗 发表于 2013-4-25 01:14
% m! A6 f' n% ^' ]' B# w+ aFull HD = 1920 x 1280 x 60Hz = 147.456MHz
1080p = 1920 x 1080 x 60Hz = 124.416MHz
720p = 1280 x 72 ...

' o8 x6 S  J) Y! E, x/ R0 P) w需要的是1080P的芯片

超級狗

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Analog Device Dual HDMI Receiver with RGB Output
AD9388A
4 ~8 U2 L$ a. O+ u: ^Dual HDMI 1.3 receiver with 30-bit RGB output

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bmzyluo

联阳半导体的IT6604倒是用过，AD的价格太贵。

bmzyluo

Features
0 J+ i3 h9 E% ~" O2 uƒ Single-link HDMI 1.4 receiver
" r! C7 X# ]: x' [2 r( C2 Dƒ Pin compatible with IT6603
9 Y2 n) l+ e& }' Uƒ Compliant with HDMI 1.3, HDMI 1.4a 3D, HDCP 1.4 and DVI 1.0 specifications
3 k3 _/ U1 c" E. d6 t! W" Vƒ Supporting link speeds of up to 2.25Gbps (link clock rate of 225MHz).
" L+ y6 l9 k7 R+ h" S  \ƒ Supporting all the primary 3D formats which are compliant with the HDMI 1.4a 3D specification.
$ H% M, B' F! a2 m6 LŠ Supporting 3D video up to 1080P@50/59.95/60Hz, 1080P@23.98/24/29.97/30Hz,
1080i@50/59.94/60/Hz, 720P@23.98/24/29.97/30Hz, 720P@50/59.94/60Hz
Š Supporting formats: Framing Packing, Side-by-Side ( half ), Top-and-Bottom.
7 M. h3 n: A8 _( I9 Zƒ Video output interface supporting digital video standards such as:
Š 24/30-bit RGB/YCbCr 4:4:4
Š 16/20-bit YCbCr 4:2:2
  S6 b: ~6 \0 a2 ]Š 8/10-bit YCbCr 4:2:2 (ITU BT-656)
Š 24/30-bit double data rate interface (full bus width, pixel clock rate halved, clocked with both
- b) k' E& `. C2 frising and falling edges)
Š Input channel swap

超級狗

目前我用的是IT6603,但是芯片跑起来太烫，所以想找功耗第一点的！
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. M# y2 ]5 z4 w" w------------------------------------------------------------------------------------
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{:soso_e143:}
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不是我吐槽的！

{:soso_e112:}

超級狗

超級狗 发表于 2013-4-25 15:21
2 L0 E( _; R9 G( B7 S9 i6 d目前我用的是IT6603,但是芯片跑起来太烫，所以想找功耗第一点的！
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6 [1 R2 W) x2 |2 |----------------------------------- ...

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! ?  D0 x- c8 R. ^應該是 IT6604，加了 3D 功耗應該只會更大。

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; R" N1 f9 o, k  x, a) O3 _' o, ~2 YIT6604: Single-Link HDMI 1.4 Receiver with 3D Support

* V6 A; _4 v) i-Single-link HDMI 1.4 receiver
8 h' y" z1 X. B* D/ ?' H$ z-Pin compatible with IT6603
-Compliant with HDMI 1.3, HDMI 1.4a 3D, HDCP 1.4 and DVI 1.0 specifications
7 c. q' J9 h1 z/ H4 ?/ k6 L* B2 A$ L-Supporting link speeds of up to 2.25Gbps (link clock rate of 225MHz).
- y$ v. L6 @4 w: u; A-Supporting all the primary 3D formats which are compliant with the HDMI 1.4a 3D specification.
‧Supporting 3D video up to 1080P@50/59.95/60Hz, 1080P@23.98/24/29.97/30Hz, 1080i@50/59.94/60/Hz, 720P@23.98/24/29.97/30Hz, 720P@50/59.94/60Hz
‧Supporting formats: Framing Packing, Side-by-Side ( half ), Top-and-Bottom.
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超級狗

我是沒其它家的芯片資料，但從建議原理圖看。
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Analog Device AD9388A 的電源幾乎都接 1.8V，這顆的功耗應該蠻低的。

Analog Device 的芯片業界馳名，貴是有道理的！
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超級狗

我只說它貴是有道理的，沒說它交期長是有道理的！

您的意見小弟完全同意。

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