ST72324 Datasheet, PDF (1/161 Pages) STMicroelectronics – 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

ST72324
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
4 TIMERS, SPI, SCI INTERFACE
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
– 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 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
– 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, PWM and
pulse generator modes
– 16-bit Timer B with: 2 input captures, 2 output
compares, PWM and pulse generator modes
TQFP44
10 x 10
TQFP32
7x7
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
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
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range (ROM)
Temp. Range (Flash)
Packages
ST72324(J/K)6
ST72324(J/K)4
ST72324(J/K)2
32K
16K
8K
1024 (256)
512 (256)
384 (256)
3.8V to 5.5V (low voltage Flash 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)
August 2003
Rev. 1.9
1/161
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