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