ST72334J Datasheet, PDF (1/125 Pages) STMicroelectronics – 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

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)
PSDIP56
PSDIP42
TQFP64
14 x 14
TQFP44
10 x 10
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
Features
ST72124J2 ST72314J2 ST72314J4 ST72314N2 ST72314N4 ST72334J2 ST72334J4 ST72334N2 ST72334N4
Program memory - bytes
8K
8K
16K
8K
16K
8K
16 K
RAM (stack) - bytes
384 (256) 384 (256) 512 (256) 384 (256) 512 (256) 384 (256) 512 (256)
EEPROM - bytes
-
-
-
-
-
256
256
Peripherals
Watch do g,
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°C to +85°C (-40°C to +105/125°C optional)
P ac kages
TQFP44 / SDIP42
TQFP64 / SDIP56
TQFP44 / SDIP42
8K
384 (256)
256
16K
512 (256)
256
TQFP64 / SDIP56
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.
1