a
96-Bit, 220 MHz
True-Color Video RAM-DAC
ADV7160/ADV7162
FEATURES
96-Bit Pixel Port for 1600 × 1280 × 24 Screen Resolution
220 MHz, 24-Bit (30-Bit Gamma Corrected) True-Color
Triple 10-Bit “Gamma Correcting” D/A Converters
2% (max) DAC to DAC Color Matching
Triple 256 × 10 (256 x 30) Color Palette RAM
On-Board User Definable Cursor (64 × 64 × 2)
Three Color Overlay
Cursor Palette RAM
Fully Programmable On-Board PLL
RS-343A/RS-170 Compatible RGB Analog Outputs
Tri-Level SYNC Functionality
TTL Compatible Digital Inputs
Standard MPU I/O Interface
Programmable Pixel Port: 24-Bit, 16-Bit, 15-Bit &
8-Bit (Pseudo)
Pixel Data Serializer:
Multiplexed Pixel Input Ports; 2:1, 4:1, 8:1
+5 V CMOS Monolithic Construction
160-Lead Plastic Quad Flatpack (QFP): ADV7162
160-Lead “Thermally Enhanced” QFP (PQUAD): ADV7160
MODES OF OPERATION
1600 × 1200 × 30/24-Bit Resolution @ 85 Hz Screen Refresh
1600 × 1200 × 16/15-Bit Resolution @ 85 Hz Screen Refresh
1600 × 1200 × 8-Bit Resolution @ 85 Hz Screen Refresh
APPLICATIONS
Windows Accelerators
High Resolution, True Color Graphics
Professional Color Prepress Imaging
Digital TV (HDTV, Digital Video)
SPEED GRADES
@ 220 MHz
@ 170 MHz
@ 140 MHz
GENERAL DESCRIPTION
The ADV7160/ADV7162® is a 96-bit pixel port Video RAMDAC with color enhanced triple 10-bit DACs. The device also
includes a PLL and 64 × 64 hardware cursor. The ADV7160/
ADV7162 is specifically designed for use in the graphics subsystem of high performance, color graphics workstations and
windows accelerators.
(Continued on page 15)
ADV is a registered trademark of Analog Devices, Inc.
FUNCTIONAL BLOCK DIAGRAM
VAA
SYNCOUT
TRISYNC
BLANK AND
SYNC LOGIC
P
I
X
E
L
SYNC
BLANK
10
8
10
BYPASS COLOR
MODE MATRIX
10
24
A
24
PIXEL
DATA
(P7-P0)
B
I
N
P
U
T
8
24
D
PALETTE
SELECTS
(PS0, PS1)
ODD/EVEN
8
3 x 256 COLOR PALETTE
8
8
8
8
24
C
COLOR
MODE
MATRIX
M
U
L
T
I
P
L
E
X
E
R
PIXEL
MASK
8
10
BLUE 256 x 10
3 COLOR OVERLAY PALETTE
10
RED 3 x 10
2
PS
FUNCTION
DECODE
LOGIC
10
GREEN 3 x 10
2
10
BLUE 3 x 10
64 x 64
CURSOR
GENERATOR
2
CLOCK DIVIDE &
SYNCHRONIZATION
CIRCUITRY
÷32, ÷16, ÷8, ÷4
SCKIN
GREEN
DAC
IOG
10
ADDRESS
REGISTER
(A10-A0)
MODE
REGISTER
(MR1)
10
ECL TO
CMOS
10
BLUE
DAC
IOB
ADV7160/
ADV7162
10
CURSOR
REGISTERS
REVISION
REGISTER
ID
REGISTER
PLL
REGISTERS
STATUS
REGISTER
COMMAND
REGISTERS
(CR1-CR5)
VOLTAGE
REFERENCE
CIRCUIT
PIXEL MASK
REGISTER
TEST
REGISTERS
CONTROL
REGISTERS
SELECTOR
CLOCK
CLOCK
10
10
GREEN 3 x 10
CLOCK CONTROL
SCKOUT
IOR
10
RED 3 x 10
BLUE 3 x 10
PRGCKOUT
S
E
L
E
C
T
O
R
2 COLOR CURSOR PALETTE
LOADIN
LOADOUT
RED
DAC
10
GREEN 256 x 10
8
10
10
RED 256 x 10
8
DATA TO
PALETTES
VREF
RSET
COMP
30
RED
REGISTER
GREEN
REGISTER
BLUE
REGISTER
10
JTAG TEST
ACCESS PORT
MPU PORT
PLL
TDO
10 (8+2)
PLLREF
C1
R/W
CE
C0
D9–D0
TMS TCK TDI GND
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
© Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703