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ADV473KP66

更新时间： 2024-11-23 22:05:23
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 203K
描述
CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC

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ADV473KP66 数据手册

 浏览型号ADV473KP66的Datasheet PDF文件第2页浏览型号ADV473KP66的Datasheet PDF文件第3页浏览型号ADV473KP66的Datasheet PDF文件第4页浏览型号ADV473KP66的Datasheet PDF文件第5页浏览型号ADV473KP66的Datasheet PDF文件第6页浏览型号ADV473KP66的Datasheet PDF文件第7页 
CMOS 135 MHz True-Color Graphics  
Triple 8-Bit Video RAM-DAC  
a
ADV473  
FEATURES  
MODES  
ADV478/ ADV471 (ADV®) Register Level Com patible  
IBM PS/ 2,* VGA*/ XGA* Com patible  
135 MHz Pipelined Operation  
24-Bit True Color  
8-Bit Pseudo Color  
15-Bit True Color  
8-Bit True Color  
Triple 8-Bit D/ A Converters  
Triple 256 
؋
 8 (256 
؋
 24) Color Palette RAM  
Three 15 
؋
 8 Overlay Registers  
On-Board Voltage Reference  
RS-343A/ RS-170 Com patible Analog Outputs  
TTL Com patible Digital Inputs and Outputs  
Sync on All Three Channels  
Program m able Pedestal (0 or 7.5 IRE)  
Standard MPU l/ O Interface  
+5 V CMOS Monolithic Construction  
68-Pin PLCC Package  
SPEED GRADES  
135 MHz, 110 MHz  
80 MHz, 66 MHz  
GENERAL D ESCRIP TIO N  
T he ADV473 is a complete analog output, Video RAM-DAC  
on a single CMOS monolithic chip. T he part is specifically  
designed for true-color computer graphics systems.  
T he ADV473 integrates a number of graphic functions onto one  
device allowing 24-bit direct true-color operation at the maxi-  
mum screen update rate of 135 MHz. It can also be used in  
other modes, including 15-bit true color and 8-bit pseudo or in-  
dexed color. T he ADV473 is fully PS/2 and VGA register level  
compatible. It is also capable of implementing IBM’s XGA  
standard.  
APPLICATIONS  
High Resolution Color Graphics  
True-Color Visualization  
CAE/ CAD/ CAM  
Im age Processing  
Desktop Publishing  
(Continued on page 4)  
FUNCTIO NAL BLO CK D IAGRAM  
VREFIN  
VREFOUT  
SYNC  
BLANK  
S0  
VOLTAGE  
REFERENCE  
GENERATOR  
S1  
P
I
X
E
L
OVERLAY PALETTE  
15 x 8 RAM  
8
8
8
VOLTAGE  
REFERENCE  
CONTROL  
CIRCUIT  
OL0  
OL3  
4
15 x 8 RAM  
15 x 8 RAM  
OVERLAYS  
OPA  
8
8
8
COLOR  
PALETTE/  
OVERLAY  
PALETTE  
SWITCHER  
P
O
R
T
COLOR  
PALETTE  
D
A
C
SWITCHING  
MATRIX &  
PIXEL  
RED  
256 x 8  
RAM  
R0  
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
RED  
DAC  
RED  
IOR  
IOG  
IOB  
R7  
G0  
G7  
B0  
B7  
GREEN  
256 x 8  
RAM  
MASK  
GREEN  
DAC  
GREEN  
BLUE  
P
O
R
T
BLUE  
256 x 8  
RAM  
8
BLUE  
DAC  
CLOCK  
CR0  
CR1  
CR2  
CR3  
8
8
8
MPU & PIXEL  
PORT  
CONTROL LOGIC  
MODE CONTROL  
REGISTERS  
PIXEL MASK  
REGISTERS  
GREEN  
REG  
BLUE  
REG  
RED  
REG  
ADDRESS  
REG  
MPU PORT  
8
ADV473  
D0–D7  
RD WR  
RS1 RS2  
RS0  
AD V is a registered tradem ark of Analog D evices Inc.  
*P ersonal System /2 and VGA are tradem arks of International Business Machines Corp.  
REV. A  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700 Fax: 617/ 326-8703  
1234567...12

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