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http://www.siemens.de/semiconductor/consumer_electronic
TVText Plus
I
Display editor for easy OSD
programming and font definition
I
Electronic Program Guide
provided by Tara Systems
(Now & Next, this channel)
I
Various Character Sets
available
Product Brief
TVText Plus
SDA 545X
Video Text Controller
Features
I
8-Bit-Microcontroller
(8051-compatible) with up to
24 MHz (min. 250 ns)
I
Videotext decoder and
on-screen-display-generator in
one chip.
I
Display memory from
1 up to 10 pages
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Internal ROM from
16 Kbyte up to 64 Kbyte
I
ROMless version with port to
external EPROM/SRAM
(max. 512 Kbyte)
I
internal RAM 256 Byte + 1 Kbyte
XRAM (10-page-versions only)
I
4-Channel-ADC (8-Bit resolution)
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6-Channel-PWM
(8-Bit resolution)
I
2-Channel-PWM
(14-Bit resolution)
I
2 Timers, 1 Watchdog- Timer +
1 dedicated IR-Timer
I
CLUT with 8 FG/8 BG out of
64 colors
I
56 Characters per Line
for 16:9 CRTs
Software Support
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Worldwide tested Firmeware-
Modules for data acquisition and
infrared detection
Hardware Support
I
Various Emulators (supported
by Kleinhenz, Dr. Krohn & Stiller,
Hitex)
I
Demonstration board
with remote control and
Demo-Software
I
OTP-version for development,
ramp-up and peak-production
Potential Application
The TVText Plus Family offers a
flexible and cost effective solution for
low end up to mid range TV sets
Sales Code
Internal
ROM
–
16 Kb
24 Kb
32 Kb
40 Kb
48 Kb
56 Kb
64 Kb
64 Kb OTP –
External
ROM
512 Kb
–
–
–
–
–
–
–
Number of
Pages
10
1
1
1
10
10
10
10
10
XRAM
SDA 5450
SDA 5451
SDA 5452
SDA 5453
SDA 5454
SDA 5455
SDA 5456
SDA 5457
SDA 545X OTP
1 Kb
–
–
–
1 Kb
1 Kb
1 Kb
1 Kb
1 Kb