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DS90UB949ATRGCRQ1

更新时间： 2024-09-29 11:12:03
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
86页 2512K
描述
2K DSI 转 FPD-Link III 串行器 | RGC | 64 | -40 to 105

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DS90UB949ATRGCRQ1 数据手册

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Support &  
Community  
Product  
Folder  
Order  
Now  
Tools &  
Software  
Technical  
Documents  
DS90UB949A-Q1  
SNLS650 –MAY 2019  
DS90UB949A-Q1 2K HDMI-to-FPD-Link III Bridge Serializer  
1 Features  
3 Description  
The DS90UB949A-Q1 is an HDMI-to-FPD-Link III  
bridge device which, when paired with the FPD-Link  
III DS90UB940-Q1/DS90UB948-Q1 deserializers,  
supplies 1-lane or 2-lane high-speed serial streams  
over cost-effective, 50-Ω single-ended coaxial, or  
100-Ω differential shielded twisted-pair (STP) and  
shielded twisted quad (STQ) cables. The device can  
serialize an HDMI v1.4b input to support video  
resolutions up to 2880x1080 at 60 Hz with 24-bit  
color depth.  
1
•
AEC-Q100 qualified for automotive applications:  
–
Device temperature grade 2: –40°C to 105°C,  
TA  
•
Supports TMDS clock frequencies up to 210 MHz  
for 3K (2880x1620) at 30Hz, QXGA (2048x1536),  
2K (2880x1080), WUXGA (1920x1200), or  
1080p60 with 24-bit color depth  
•
•
Single and dual FPD-Link III outputs, supports  
STP or STQ or coax cables  
The FPD-Link III interface supports both video and  
audio data transmissions, and full duplex  
control—including I2C and SPI communication—over  
the same differential link. Video data consolidation  
and control over two differential pairs can help  
decrease the interconnect size, decrease the weight  
of the application, and simplify system design. EMI is  
minimized by the use of low-voltage differential  
signaling, data scrambling, and randomization. In  
backward-compatible mode, the DS90UB949A-Q1  
supports up to 1920x720 resolution with 24-bit color  
depth over a single differential link when the device is  
paired with the DS90Ux92x-Q1 deserializers.  
High-definition multimedia (HDMI) v1.4b  
compatible inputs  
•
•
•
HDMI-Mode DisplayPort (DP++) inputs  
HDMI audio extraction for up to 8 channels  
High-speed back channel supporting GPIO up to 2  
Mbps  
•
•
•
•
Tracks spread spectrum input clock to reduce EMI  
I2C (master/slave) with 1-Mbps fast-mode plus  
SPI pass-through interface  
Backward compatible with DS90UB926Q-Q1,  
DS90UB928Q-Q1, and DS90UB924-Q1 FPD-Link  
III deserializers  
The DS90UB949A-Q1 supports multi-channel audio  
received through an external I2S interface. The  
device also has an optional auxiliary audio interface.  
2 Applications  
Device Information(1)  
•
Automotive Infotainment & cluster  
–
–
–
–
–
Automotive head unit  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
DS90UB949A-Q1  
VQFN (64)  
9.00 mm × 9.00 mm  
Automotive rear seat entertainment display  
Automotive center information display  
Commercial vehicle instrument cluster  
Automotive media hub  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
•
Audio/video control system  
Applications Diagram  
VDDIO  
(3.3 V / 1.8 V)  
VDDIO  
1.8 V  
3.3 V 1.25 V  
1.8V 1.1V  
FPD-Link III  
2 Lane  
oLDI  
HDMI  
CLK1+/-  
D0+/-  
IN_CLK-/+  
IN_D0-/+  
RIN0+  
RIN0-  
DOUT0+  
DOUT0-  
D1+/-  
D2+/-  
D3+/-  
IN_D1-/+  
Graphics  
DOUT1+  
DOUT1-  
RIN1+  
RIN1-  
Processor  
LVDS Display  
(2880x1080)  
or Graphic  
Processor  
IN_D2-/+  
DS90UB949A-Q1  
Serializer  
DS90UB948-Q1  
Deserializer  
CLK2+/-  
CEC  
DDC  
HPD  
D4+/-  
D5+/-  
I2C  
IDx  
I2C  
IDx  
D6+/-  
D7+/-  
D_GPIO  
(SPI)  
D_GPIO  
(SPI)  
HDMI œ High Definition Multimedia Interface  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
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