ST72F324J Datasheet, PDF (1/156 Pages) STMicroelectronics – 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

ST72324J/K
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
4 TIMERS, SPI, SCI INTERFACE
PRELIMINARY DATA
s Memories
– 8 to 32K dual voltage High Density Flash (HD-
Flash) or ROM with read-out protection capa-
bility. In-Application Programming and In-
Circuit Programming for HDFlash devices
– 384 to 1K bytes RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 20 years at 55°C
s Clock, Reset And Supply Management
TQFP44
10 x 10
TQFP32
7x7
– Enhanced low voltage supervisor (LVD) for
main supply with 3 programmable reset
thresholds and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator os-
cillators, internal or external RC oscillator,
clock security system and bypass for external
clock
– PLL for 2x frequency multiplication
– Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
s Interrupt Management
– Nested interrupt controller
– 10 interrupt vectors plus TRAP and RESET
– 9/6 external interrupt lines (on 4 vectors)
s Up to 32 I/O Ports
SDIP42
600 mil
SDIP32
400 mil
s 2 Communication Interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface (LIN com-
patible)
s 1 Analog Peripheral
– 10-bit ADC with up to 12 input pins
– 32/24 multifunctional bidirectional I/O lines
– 22/17 alternate function lines
– 12/10 high sink outputs
s 4 Timers
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– 16-bit Timer A with: 1 input capture, 1 output
compare, external clock input, fixed freq.
PWM and pulse generator modes
– 16-bit Timer B with: 2 input captures, 2 output
compares, variable freq. PWM and pulse gen-
erator modes
s Instruction Set
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
s Development Tools
– Full hardware/software development package
– In-Circuit Testing capability
Device Summary
Features
ST72(F)324(J/K)6
ST72(F)324(J/K)4
ST72(F)324(J/K)2
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range (ROM)
Temp. Range (Flash)
Packages
32K
16K
8K
1024 (256)
512 (256)
384 (256)
3.8V to 5.5V (low voltage version planned with 3.0 to 3.6V range)
up to -40°C to +125°C
up to -40°C to +125°C
-40°C to +85 °C
SDIP42 (JxB), TQFP44 10x10 (JxT),SDIP32 (KxB), TQFP32 7x7 (KxT)
Rev. 1.6
October 2002
1/156
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change witho₁ut notice.