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STV3550 数据表(PDF) 7 Page - STMicroelectronics |
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STV3550 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 144 page  General Information STV3550 7/144 1 General Information 1.1 Introduction This integrated circuit (IC) is dedicated to flat panel display TV chassis. Combined with a digital multi-standard video decoder (STV2310) delivering an ITU-R BT.601/656 video stream, it provides a cost-effective, high-performance solution for plasma or LCD TV applications. The STV3550 includes an up-converter, a 32-bit ST20 CPU core with all peripherals required for controlling the TV chassis. Teletext data is extracted from the incoming stream and decoded by the CPU. An embedded On-Screen Display (OSD) generator delivers the text and graphics. The Video Display Pipeline performs feature box image processing such as picture improvement, horizontal and vertical rescaling and Temporal Noise Reduction. The chip operates with an external SDRAM that is used for the field-rate up-conversion and text and graphic generations.The external SDRAM can be configured as a single bank of 16/64/128 Mb (16-bit configuration) or a dual bank of 16/64 or 128 Mb (32-bit configuration). Application program codes are stored in an external Flash memory. The STV3550 is designed using an 0.18 micron CMOS process and delivered in a 208-pin PQFP (0.5 mm pitch) package. The STV3550 completes the Digital IC Core family (STi5xxx, STi7xxx) which offers common CPU and software platforms based on STMicroelectronics’ 32-bit ST20 CPU core. This device, which is specifically designed for plasma or LCD TV applications, is completely compatible with the architecture and software of the STV3500 CTV100-CRT platform that targets CRT-based TV chassis. Figure 1: Top Level Diagram Build-Up YSI Video ST20 Core H100 SDRAM SDIN TNR HV Filter 8 YCRCB[7:0] CLK_DATA CTI HSYNC VSYNC 16/32 TV Peripherals 30 I/Os Flash Counter NRESET Clock Generator 2D Block Move OSD Pipeline Pipeline Block Time Base Generator TV Chassis Control CSA Picture Comp. Cursor BG Plane EMI4 Compositor V100 27 MHz Crystal Gamma Correction Digital Video Output Perfect Color Engine R G B 4- to RGB Digital Video Outputs 10-bit |
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