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ST72334J_03 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. ST72334J_03
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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Rev. 2.5
April 2003
1/153
ST72334J/N,
ST72314J/N, ST72124J
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,
ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
s
Memories
– 8K or 16K Program memory (ROM or single
voltage FLASH) with read-out protection and
in-situ programming (remote ISP)
– 256 bytes EEPROM Data memory (with read-
out protection option in ROM devices)
– 384 or 512 bytes RAM
s
Clock, Reset and Supply Management
– Enhanced reset system
– Enhanced low voltage supply supervisor with
3 programmable levels
– Clock sources: crystal/ceramic resonator os-
cillators or RC oscillators, external clock,
backup Clock Security System
– 4 Power Saving Modes: Halt, Active-Halt,
Wait and Slow
– Beep and clock-out capabilities
s
Interrupt Management
– 10 interrupt vectors plus TRAP and RESET
– 15 external interrupt lines (4 vectors)
s
44 or 32 I/O Ports
– 44 or 32 multifunctional bidirectional I/O lines:
– 21 or 19 alternate function lines
– 12 or 8 high sink outputs
s
4 Timers
– Configurable watchdog timer
– Realtime base
– 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
2 Communications Interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface (LIN com-
patible)
s
1 Analog Peripheral
– 8-bit ADC with 8 input channels (6 only on
ST72334Jx, not available on ST72124J2)
s
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
s
Development Tools
– Full hardware/software development package
Device Summary
TQFP44
10 x 10
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, Two 16-bit Timers, SPI, SCI
-ADC
Operating Supply
3.2V to 5.5 V
CPU Frequency
Up to 8 MHz (with up to 16 MHz oscillator)
Operating Temperature
-40°C to +85°C (-40°C to +105/125°C optional)
Packages
TQFP44 / SDIP42
TQFP64 / SDIP56
TQFP44 / SDIP42
TQFP64 / SDIP56
1




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