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ST72334J Datasheet(HTML) 1 Page - STMicroelectronics

Part No. ST72334J
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST72334J Datasheet(HTML) 1 Page - STMicroelectronics

 
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Rev. 1.0
September 1999
1/125
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
ST72334J/N,
ST72314J/N, ST72124J
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,
ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
PRODUCT PREVIEW
s
8K or 16K Program memory
(ROM or Single voltage FLASH)
with read-out protection
s
256-bytes EEPROM Data memory
s
In-Situ Programming (Remote ISP)
s
Enhanced Reset System
s
Low voltage supply supervisor with
3 programmable levels
s
Low consumption resonator or RC oscillators
and by-pass for external clock source, with safe
control capabilities
s
4 Power saving modes
s
Standard Interrupt Controller
s
44 or 32 multifunctional bidirectional I/O lines:
– External interrupt capability (4 vectors)
– 21 or 19 alternate function lines
– 12 or 8 high sink outputs
s
Real time base, Beep and Clock-out capabilities
s
Configurable watchdog reset
s
Two 16-bit timers with:
– 2 input captures (only one on timer A)
– 2 output compares (only one on timer A)
– External clock input on timer A
– PWM and Pulse generator modes
s
SPI synchronous serial interface
s
SCI asynchronous serial interface
s
8-bit ADC with 8 input pins
(6 only on ST72334Jx,
not available on ST72124J2)
s
8-bit data manipulation
s
63 basic instructions
s
17 main addressing modes
s
8 x 8 unsigned multiply instruction
s
True bit manipulation
s
Full hardware/software development package
Device Summary
TQFP44
10x10
PSDIP42
PSDIP56
TQFP64
14 x 14
Features
ST72124J2 ST72314J2 ST72314J4 ST72314N2 ST72314N4 ST72334J2 ST72334J4 ST72334N2 ST72334N4
Program memory - bytes
8K
8K
16K
8K
16K
8K
16K
8K
16K
RAM (stack) - bytes
384 (256)
384 (256)
512 (256)
384 (256)
512 (256)
384 (256)
512 (256)
384 (256)
512 (256)
EEPROM - bytes
-
-
-
--
256
256
256
256
Peripherals
Watchdog,
16-bit Tim-
ers, SPI,
SCI
Watchdog, 16-bit Timers, SPI, SCI, ADC
Operating Supply
3.0V to 5.5V
CPU Frequency
500 kHz to 8 MHz (with 1 to 16 MHz oscillator)
Operating Temperature
-40
°Cto +85°C (-40°C to +105/125°C optional)
Packages
TQFP44 / SDIP42
TQFP64 / SDIP56
TQFP44 / SDIP42
TQFP64 / SDIP56
1


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