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參數資料
型號: CS4954
廠商: Cirrus Logic, Inc.
英文描述: NTSC/PAL Digital Video Encoder
中文描述: NTSC / PAL數字視頻編碼器
文件頁數: 1/56頁
文件大小: 937K
代理商: CS4954
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 1999
(All Rights Reserved)
Cirrus Logic, Inc.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
CS4954
CS4955
NTSC/PAL Digital Video Encoder
Features
l
Six DACs providing simultaneous composite,
S-video, and RGB or Component YUV
outputs
l
Programmable DAC output currents for low
imped-ance (37.5
) and high impedance
(150
) loads.
l
Multi-standard support for NTSC-M, NTSC-
JAPAN, PAL (B, D, G, H, I, M, N,
Combination N)
l
ITU R.BT656 input mode supporting
EAV/SAV codes and CCIR601 Master/Slave
input modes
l
Programmable HSYNC and VSYNC timing
l
Multistandard Teletext (Europe, NABTS,
WST) support
l
VBI encoding support
l
Wide-Screen Signaling (WSS) support, EIA-J
CPX1204
l
NTSC closed caption encoder with interrupt
l
CS4955 supports Macrovision copy
protection Version 7
l
Host interface configurable
for parallel or I
2
C
compatible operation
l
On-chip voltage reference
generator
l
+3.3 V or +5 V operation,
CMOS, low-power modes,
tri-state DACs
Description
The CS4954/5 provides full conversion from digital video
formats YCbCr or YUV into NTSC and PAL Composite,
Y/C (S-video) and RGB, or YUV analog video. Input for-
mats can be 27 MHz 8-bit YUV, 8-bit YCbCr, or ITU
R.BT656 with support for EAV/SAV codes. Video output
can be formatted to be compatible with NTSC-M, NTSC-
J, PAL-B,D,G,H,I,M,N, and Combination N systems.
Closed Caption is supported in NTSC. Teletext is sup-
ported for NTSC and PAL.
Six 10-bit DACs provide two channels for an S-Video
output port, one or two composite video outputs, and
three RGB or YUV outputs. Two-times oversampling re-
duces the output filter requirements and guarantees no
DAC-related modulation components within the speci-
fied bandwidth of any of the supported video standards.
Parallel or high-speed I
2
C compatible control interfaces are
provided for flexibility in system design. The parallel interface
doubles as a general purpose I/O port when the CS4954/5 is
in I
2
C mode to help conserve valuable board area.
ORDERING INFORMATION
CS4954-CQ
CS4955-CQ
48-pin TQFP
48-pin TQFP
APR ‘99
DS278PP4
CLK
SDA
ISET
DGND
PDAT[7:0]
RD
WR
ADDR
XTAL_IN
XTAL_OUT
VD[7:0]
HSYNC
VSYNC
FIELD
INT
RESET
I
2
C Interface
Host
Parallel
Interface
Color Sub-carrier Synthesizer
8
Video Formatter
Control
Registers
Chroma Modulate
Chroma Amplifier
Output
Interpolate
LPF
Burst Insert
Chroma Interpolate
LPF
Luma Interpolate
Luma Amplifier
Sync Insert
U,V
Y
Video Timing
Generator
TEST
Current
Reference
Voltage
Reference
VREF
R
DAC
Y
DAC
CVBS
DAC
C
10-Bit
DAC
Σ
VAA
Teletext
Encoder
TTXRQ
TTXDAT
YCbCr to RBG
Color Space
Converter
B
DAC
G
DAC
10-Bit
10-Bit
10-Bit
10-Bit
10-Bit
RGB
RGB
Y
Y
8
相關PDF資料
PDF描述
CS4955-CQ NTSC/PAL Digital Video Encoder
CS4955 NTSC/PAL Digital Video Encoder
CS4954-CQ NTSC/PAL Digital Video Encoder
CS496122 New Audio System Processors are Ideal for Digital Audio Networking Applications
CS496102 New Audio System Processors are Ideal for Digital Audio Networking Applications
相關代理商/技術參數
參數描述
CS4954_06 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:NTSC/PAL Digital Video Encoder
CS4954-CQ 制造商:Cirrus Logic 功能描述:SIX 10-BIT DACS NTSC/PAL DIGITAL VIDEO ENCODER - Rail/Tube 制造商:CRYSTAL 功能描述:
CS4954-CQZ 功能描述:視頻 IC NTSC/PAL DV Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
CS4954-CQZR 功能描述:視頻 IC IC NTSC/PAL Digital Video Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
CS4955 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:NTSC/PAL Digital Video Encoder
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