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參數(shù)資料
| 型號(hào)： | TPU3035 |
| 廠商： | MICRONAS SEMICONDUCTOR HOLDING AG |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 4/73頁 |
| 文件大小： | 1183K |
| 代理商： | TPU3035 |
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PRELIMINARY DATA SHEET
TPU 3035, TPU 3040
MICRONAS INTERMETALL
4
Multistandard Teletext Processor for Level 1 and 2
Note:
This data sheet describes functions and characteristics of TPU3040 TC25.
If not otherwise designated, the pin numbers mentioned refer to the 44-pin PLCC package. For corresponding
PDIP numbers see page 11. Revision bars indicate significant changes to the previous version.
1. Introduction
The TPU 3040
is a single chip World System Teletext
(WST) decoder for applications in analog and digital TV
sets. Based on a 65C02 core with RAM and ROM on
chip, an adaptive data slicer, a display controller and a
number of interfaces, the TPU 3040 offers acquisition
and display of various teletext and data services such as
WST, PDC, VPS and WSS.
1.1. Features
The TPU 3040 is an integrated circuit designed in
CMOS technology. As a stand-alone system or in combi-
nation with the DIGIT 3000 system, the TPU 3040 offers
a wide range of new and interesting features, some of
them unique in comparison with other products on the
market.
The TPU 3035 is a stripped-down version of TPU 3040,
designed for low-cost applications. The basic chip archi-
tecture remains unchanged, whereas some of the more
sophisticated features are removed (see Tab 1–1). In the
following description only the TPU 3040 is mentioned.
Table 1–1:
Feature List
TPU
3035
3040
Acquisition
No. of analog comp. video inputs
1
2
Clamping
x
x
AGC
x
x
Sync. separation with PLL
x
x
Adaptive data slicer
x
x
Signal quality detection
x
x
PAL VBI acquisition
x
x
NTSC VBI acquisition
–
–
MAC VBI acquisition (PLCC44 only)
–
x
MAC packet text acquisition
(PLCC44 only)
–
–
Full-field acquisition
–
–
Asynchronous acquisition & display
x
x
Ghost row acquisition
x
x
EPG support
–
x
Internal row 26 processing
(Extended Character Sets)
–
x
FLOF/TOP s/w support on chip
x
x
PDC acquisition
x
x
VPS acquisition
x
x
WSS acquisition
–
x
US captioning
–
x
Software acquisition (advanced
header, magazine shuffle, ...)
x
x
Full parallel acquisition
x
x
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