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PDF EM9038 Data sheet ( Hoja de datos )
| Número de pieza | EM9038 | |
| Descripción | Analog Multiplexor And Digital-to-analog Converter | |
| Fabricantes | Sigma Designs | |
| Logotipo |  |
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EM9038
Analog Multiplexer and Digital-to-Analog Converter Chip
Description
The EM9038 enables the display of video (digital YCbCr) or graphics (analog
RGB), making it ideal for applications requiring switching between two
sources of data, such as MPEG video and VGA graphics.
Features include three high-speed 8-bit videoDACs, a high speed YCbCr to
RGB color space converter, an analog multiplexer, three analog video output
buffers, a digital output buffer for S/PDIF, a 27 MHz oscillator with integrated
VCXO for fine tuning, and a fully programmable PLL.
A 16-bit digital video input port supports 4:2:2 YCbCr video at up to 80 MHz.
An internal color space converter translates the YCbCr video data to RGB
before driving the three 8-bit videoDACs.
A high-bandwidth VGA pass-through mode allows support for high-resolution
graphics modes without visible degradation.
Features
• CCIR 601 4:2:2 16-bit YCbCr Input Format
Support (up to 80 MHz)
• YCbCr to RGB Color Space Conversion
• Integrated Triple 8-bit VideoDACs with Buffers
Support 16.8M Colors
• High-Bandwidth Analog RGB VGA Pass-
through
• Internal 27 MHz Oscillator with Fine Frequency
Tuning
• Internal Programmable Audio Clock
Generation
• I2C Interface to Access Internal Registers
• +5V Power Supply, 64 -pin PQFP
Block Diagram
www.DataSheet4U.com
SPDIF IN
RESET#
SCL
SDA
XTAL0
XTAL1
ANALOG RGB IN,
HS IN, VS IN
16-BIT YC BCR
HSYNC, VSYNC
HREF
VCLK
24 MA
BUFFER
I2C
INTERFACE
27 MHZ
VCXO
YCBCR
TO
RGB
TRIPLE
8-BIT
DAC S
PLL
MUX
SPDIF OUT
REFCLK (27 MHZ)
CLK (AUDIO CLOCK)
LPF
ANALOG RGB OUT,
HS OUT,
VS OUT
Sigma Designs, Inc.
355 Fairview Way • Milpitas, CA, USA 95035 • Tel: 408.262.9003 • Fax: 408.957.9740
www.sigmadesigns.com • [email protected]
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet EM9038.PDF ] | |
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