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ADV7150LS220 데이터시트(PDF) 1 Page - Analog Devices |
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ADV7150LS220 데이터시트(HTML) 1 Page - Analog Devices |
1 / 36 page REV. A 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. a CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC ADV7150 © Analog Devices, Inc., 1996 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 @ 85 MHz 8-Bit Pseudo Color 15-Bit True Color APPLICATIONS High Resolution, True Color Graphics Professional Color Prepress Imaging GENERAL DESCRIPTION The ADV7150 (ADV ®) is a complete analog output, Video RAM-DAC on a single CMOS monolithic chip. The part is spe- cifically designed for use in high performance, color graphics workstations. The ADV7150 integrates a number of graphic functions onto one device allowing 24-bit direct True-Color op- eration at the maximum screen update rate of 220 MHz. The ADV7150 implements 30-bit True Color in 24-bit frame buffer designs. The part also supports other modes, including 15-bit True Color and 8-bit Pseudo or Indexed Color. Either the Red, Green or Blue input pixel ports can be used for Pseudo Color. (Continued on page 12) ADV is a registered trademark of Analog Devices, Inc. FEATURES 220 MHz, 24-Bit (30-Bit Gamma Corrected) True Color Triple 10-Bit “Gamma Correcting” D/A Converters Triple 256 10 (256 30) Color Palette RAM On-Chip Clock Control Circuit Palette Priority Select Registers RS-343A/RS-170 Compatible Analog Outputs TTL Compatible Digital Inputs Standard MPU l/O Interface 10-Bit Parallel Structure 8+2 Byte Structure Programmable Pixel Port: 24-Bit, 15-Bit and Programmable Pixel Port: 8-Bit (Pseudo) Pixel Data Serializer Multiplexed Pixel Input Ports; 1:1, 2:1, 4:1 +5 V CMOS Monolithic Construction 160-Lead Plastic Quad Flatpack (QFP) Thermally Enhanced to Achieve JC < 1.0 C/W MODES OF OPERATION 24-Bit True Color (30-Bit Gamma Corrected) @ 220 MHz @ 170 MHz @ 135 MHz @ 110 MHz FUNCTIONAL BLOCK DIAGRAM 256-COLOR/GAMMA PALETTE RAM 10 10-BIT RED DAC 10-BIT BLUE DAC IOR 96 C D A B 24 24 24 24 P I X E L P O R T MUX 4:1 30 RED 256 x 10 MPU PORT D9 – D0 10 (8+2) CE R/W C0 C1 LOADIN CLOCK LOADOUT PRGCKOUT SCKIN SCKOUT CLOCK DIVIDE & SYNCHRONIZATION CIRCUIT ÷32 ÷16, ÷8, ÷4, ÷2 ADDR (A7–A0) REVISION REGISTER COMMAND REGISTERS (CR1–CR3) TEST REGISTERS (MR1) VOLTAGE REFERENCE CIRCUIT ECL TO CMOS ADV7150 V REF R SET COMP SYNC OUTPUT I PLL RED (R7–R0), GREEN (G7–G0), BLUE (B7–B0) COLOR DATA V AA GND DATA TO PALETTES CONTROL REGISTERS COLOR REGISTERS CLOCK CONTROL MODE REGISTER ADDRESS REGISTER GREEN 256 x 10 BLUE 256 x 10 PALETTE SELECTS (PS0, PS1) ID REGISTER GREEN REGISTER PIXEL MASK REGISTER 8 IOR IOG IOG IOB IOB 10-BIT GREEN DAC 10 10 BLUE REGISTER RED REGISTER 8 8 2 8 8 SYNC BLANK CLOCK SYNCOUT MUX 4:1 |
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