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ST9294 Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer ST9294
Beschreibung 24K ROM HCMOS MCU WITH ON SCREEN DISPLAY AND CLOSED-CAPTION DATA SLICER
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 6 Seiten
ST9294 Datasheet, Funktion
® 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
This is Preliminary Data from SGS-THOMSON. Details are subject to change without notice.
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ST9294 Datasheet, Funktion
ST9294
PIN DESCRIPTION (Continued)
Table 1-1. ST9294 I/O Port Alternative Function Summary
I/O PORT
Port.bit
Name
Function
Alternate Function
P3.4
I/O
P3.5
I/O
P3.6
I/O
P3.7
I/O
P4.0
PWM0
O PWM Output 0
P4.1
PWM1
O PWM Output 1
P4.2
PWM2
O PWM Output 2
P4.3
PWM3
O PWM Output 3
P4.4
PWM4
O PWM Output 4
P4.5
PWM5
O PWM Output 5
P4.6
PWM6
O PWM Output 6
P4.7
PWM7
O PWM Output 7
P4.7
P5.0
P5.0
P5.1
EXTRG
SCK
INT2
SDIO
I A/D External Trigger
O SPI Serial Clock (1)
I External Interrupt 2 (1)
O SPI Serial Data Input/Output (1)
P5.2
I/O
P5.3
I/O
Notes.
1. The alternate functions of SCK/INT2 and SDIO may be swapped by using the SWAP Register Function.
2. Schmitt trigger options are available as a mask option for any input pin.
Pin Assignment
9294J
9294N
14 19
13 18
12 17
- 16
28 35
29 36
30 37
31 38
32 39
33 40
34 41
35 42
35 42
20 27
20 27
19 26
- 25
- 24
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without the
express written approval of SGS-THOMSON Microelectronics.
© 1995 SGS-THOMSON Microelectronics - All rights reserved.
Purchase of I2C Components by SGS-THOMSON Microelectronics conveys a license under the Philips I2C Patent.
Rights to use these components in an I2C system is granted provided that the system
conforms to the I2C Standard Specification as defined by Philips.
SGS-THOMSON Microelectronics Group of Companies
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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