ST9294 Datasheet, PDF (1/6 Pages) STMicroelectronics – 24K ROM HCMOS MCU WITH ON SCREEN DISPLAY AND CLOSED-CAPTION DATA SLICER

®
ST9294
24K ROM HCMOS MCU WITH
ON SCREEN DISPLAY AND CLOSED-CAPTION DATA SLICER
FUNCTIONAL DESCRIPTION
Register oriented 8/16 bit CORE with
RUN, WFI and HALT modes
Minimum instruction cycle time: 500ns
(12MHz internal)
12 to 32K bytes of ROM,
384/640 bytes of RAM,
224 general purpose registers available as RAM,
accumulators or index registers (Register File)
42-lead Shrink DIP package or
56-lead Shrink DIP package
Interrupt handler and Serial Peripheral Interface
as standard features
31 (42 pin package) / 42 (56 pin package) fully
programmable I/O pins
34 character x15 rows software programmable
On Screen Display module with colour, italic, un-
derline, flash, transparent and fringe attribute
options
Digital Data Slicer extracting closed caption data
from video
8 8-bit PWM D/A outputs with repetition fre-
quency 2 to 32kHz and 12V Open Drain
Capability
16 bit Timer with 8 bit Prescaler, able to be used
as a Watchdog Timer
16-bit programmable Slice Timer with 8-bit pres-
caler
3 channel Analog to Digital Converter, with inte-
gral sample and hold, fast 5.75µs conversion
time, 6-bit guaranteed resolution
Rich Instruction Set and 14 Addressing modes
Division-by-Zero trap generation
Versatile Development tools, including assembler,
linker, C-compiler, archiver, graphic oriented de-
bugger and hardware emulators
Real Time Operating System
Windowed EPROM parts available for prototyp-
ing and pre-production development phases
PSDIP42
PSDIP56
(Ordering Information at the end of the Datasheet)
May 1993
1/6
This is Preliminary Data from SGS-THOMSON. Details are subject to change without notice.