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STMicroelectronics Electronic Components Datasheet

ST6294 Datasheet

8-BIT HCMOS MCU

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ST6294 pdf
ST6294
8-BIT HCMOS MCU WITH
A/D CONVERTER, EEPROM & AUTO-RELOAD TIMER
PRELIMINARY DATA
3 to 6.0V Supply Operating Range
8 MHz Maximum Clock Frequency
-25 to +85°C Operating Temperature Range
Run, Wait & Stop Modes
5 different interrupt vectors
Look-up table capability in ROM
User ROM:
3868 bytes
Data ROM:
User selectable size
(in program ROM)
Data RAM:
128 bytes
EEPROM:
128 bytes
PDIP28, PSO28 packages
21 fully software programmable I/O as:
– Input with pull-up resistor
– Input without pull-up resistor
– Input with interrupt generation
– Open-drain or push-pull outputs
– Analog Inputs
8 I/O lines can sink up to 20mA for direct LED or
TRIAC driving
8 bit counter with a 7-bit programmable prescaler
(Timer1)
8 bit auto-reload timer with 7-bit programmable
prescaler (AR Timer)
Digital Watchdog
8 bit A/D Converter with up to 13 analog inputs
8 bit Synchronous Peripheral Interface (SPI)
On-chip clock oscillator (Quartz Crystal or Ce-
ramic)
Power-on Reset
Clock output
9 powerful addressing modes
The development tool of the ST6294 microcon-
trollers consists of the ST626x-EMU emulation
and development system connected via a stand-
ard RS232 serial line to an MS-DOS Personal
Computer
1
PDIP28
1
PSO28
(Ordering Information at the end of the datasheet)
October 1993
This is Preliminary Data from SGS-THOMSON. Details are subject to change without notice.
1/26


STMicroelectronics Electronic Components Datasheet

ST6294 Datasheet

8-BIT HCMOS MCU

No Preview Available !

ST6294 pdf
ST6294
Figure 1. ST6294 Pin Configuration
PB0
PB1
TEST
PB2
PB3
PB4
PB5
ARTIMin / PB6
ARTIMout / PB7
Ain / PA0
VD D
VS S
Ain / PA1
Ain / PA2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 PC0 / Ain
27 PC1 / TIM1 / Ain
26 PC2 / Sin / Ain
25 PC3 / Sout / Ain
24 PC4 / SCK / Ain
23 CLKout
22 RESET
21 OSCout
20 OSCin
19 PA7 / Ain
18 PA6 / Ain
17 PA5 / Ain
16 PA4 / Ain
15 PA3 / Ain
VR0A1822
Figure 2. ST6294 Block Diagram
TEST
TEST
INTERRUPT
USER PROGRAM
ROM
3884 Bytes
DATA ROM
USER
SELECTABLE
DATA RAM
12 8 Bytes
DATA EEPROM
12 8 Bytes
CL Ko ut
PC
STACK LEVEL 1
STACK LEVEL 2
STACK LEVEL 3
STACK LEVEL 4
STACK LEVEL 5
STACK LEVEL 6
OSCILLATOR
+
DIVIDER
8 BIT CORE
POWER
SUPPLY
RESET
LVI
OS Cin OSCou t VDD VS S
RESET
2/26
PORT A
PORT B
PORT C
TIMER 1
AUTORELOAD
TIMER
PA0 ..PA3
PA4..PA7 / Ain
PB0..PB3 / 20mA SINK
PB4..PB5 / 20mA SINK
PB6 / ARTIMin / 20mA SINK
PB7 / ARTIMout / 20mA SINK
PC0 / Ain
PC1 / TIM1 / Ain
PC2 / Sin / Ain
PC3 / Sout / Ain
PC4 / SCK / Ain
Ain = Analog Input
SERIAL PERIPHERAL
INTERFACE (SPI)
DIGITAL WATCHDOG
8 BIT
A/D CONVERTER
VR0A1823


Part Number ST6294
Description 8-BIT HCMOS MCU
Maker STMicroelectronics
Total Page 26 Pages
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