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STi5119 Datasheet Detailansicht - STMicroelectronics

Teilenummer STi5119 Schematic
Beschreibung Low-cost interactive set-top box decoder
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 
Vorschau
Gesamt 30 Seiten
		
STi5119 Datenblatt PDF

1 Page

STi5119 Datasheet, Funktion
STx5119
24.7 2D resizing and filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
24.8 Blending operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Chapter 25 2D blitter display engine registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
25.1 Linked list (node) registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Chapter 26
26.1
26.2
26.3
26.4
26.5
TV out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Teletext . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Teletext packet format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Data transfer sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Interrupt control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Chapter 27 TV out registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Chapter 28
28.1
28.2
28.3
Graphics DMA (GDMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Viewports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Output pixmap display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Chapter 29 Graphics DMA (GDMA) registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Chapter 30 Digital encoder (DENC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
30.1 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
30.2 Brief overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
30.3 Data input format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
30.4 Video timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
30.5 Master Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
30.6 Slave modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
30.7 Autotest mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
30.8 Input demultiplexor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
30.9 Subcarrier generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
30.10 Burst insertion (PAL and NTSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
30.11 Subcarrier insertion (SECAM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
30.12 Luminance encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
30.13 Chrominance encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
6/543
STMicroelectronics Confidential
7939391A

6 Page

STi5119 pdf, datenblatt
Audio and video summary specification
2 Audio and video summary specification
STx5119
Table 1: Summary specification
Video decoder
Feature
Description
Video decode display
Bit streams accepted
MPEG-2 profiles/levels
supported
Maximum picture size
Motion vector range
PTI compressed data
input
SDRAM LMI interface
Start code detection
Decoding pipeline
Error concealment
Based on the Omega2, provides a memory to memory decode into YC 4:2:0
macroblock format, provides simple resizing based on x2 and x0.5.
MPEG-1 video (ISO/IEC 11172-2), MPEG-2 video (ISO/IEC 13818-2)
MPEG-2 Packetized elementary stream (PES) format as defined by ISO/IEC 13818-1
MPEG-1 ISO/IEC 11172-1 packets
Main profile at main level (MP@ML), main profile at low level (MP@LL)
Simple profile at main level (SP@ML)
Width: 720 x 576 pixels = 45 x 36
Number of macroblocks: 45 x 36 = 1620
MPEG-1: -1024 to 1023 (full pel), -512 to 511.5 (half pel) horizontal and vertical
MPEG-2: -1024 to 1023.5 horizontal and -128 to 127.5 vertical
Serial peak input rate: 100 Mbit/s
16-bit wide SDRAM interface. Peak bandwidth 532 Mbyte/s (133 MHz).
Supports 64-Mbit, 64-Mbit, 64-Mbit, 128-Mbit, 256-Mbit, or 512-Mbit SDRAM. Fully
cacheable address space for data and instructions, with cacheability controlled in
512 Kbyte blocks for up to 8 Mbytes.
Automatic detection of start codes (of picture layer and above) to enable the
microcontroller to access header data
Counters provided for time-stamp tracking
Instruction register sets up each picture and defines pipeline operation
Double-buffered quantization matrices enable loading of new tables concurrently with
decoding
Automatic concealment of errors detected by VLD and decoding pipeline by
macroblock copy
12/543
STMicroelectronics Confidential
7939391A

12 Page





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