參數(shù)資料
型號(hào): DMA2275
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 消費(fèi)家電
英文描述: DMA 2275, DMA 2286 C/D/D2-MAC Descrambler
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 2/48頁
文件大?。?/td> 217K
代理商: DMA2275
DMA 2275, DMA 2286
2
Contents
Page
Section
Title
4
4
4
1.
1.1.
1.2.
Introduction
General Information
Environment
5
2.
Chip Architecture
6
6
6
6
6
3.
3.1.
3.2.
3.3.
3.4.
Video Processor
Code Converter
Video Descrambler
Interpolation Filter
Clamping and Video Gate
7
7
7
7
4.
4.1.
4.2.
4.3.
PRBS Generator
Video PRBS Generator
Packet PRBS Generator
VBI Descrambler
8
8
8
8
8
5.
5.1.
5.2.
5.3.
5.4.
Line 625 Processor
Majority Decision
BCH Check
Frame Counter Flywheel
RTCI Detector
9
9
6.
6.1.
Sound Processor
The S Bus Interface and the S Bus
10
10
11
7.
7.1.
7.2.
Packet Processor
Packet Acquisition
Packet Descrambler
12
12
13
13
18
19
19
20
21
23
24
25
26
28
29
29
8.
8.1.
8.2.
8.2.1.
8.3.
8.4.
8.4.1.
8.4.2.
8.4.3.
8.4.4.
8.4.5.
8.4.6.
8.4.7.
8.4.8.
8.4.9.
8.5.
Interface Processor
Fast Processor
IM Bus Interface
IM Bus Addresses and Instructions
DRAM Interface
DRAM Memory Map
Mode Register
Pac1 Register
Pac2 Register
Coeff Register
CW Register
Error Buffer
Packet Buffer
Line 625 Buffer
Scratch Buffer
FP Memory Map
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