ST72324
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
4 TIMERS, SPI, SCI INTERFACE
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Memories
鈥?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
鈥?384 to 1K bytes RAM
鈥?HDFlash endurance: 100 cycles, data reten-
tion: 20 years at 55掳C
Clock, Reset And Supply Management
鈥?Enhanced low voltage supervisor (LVD) for
main supply with 3 programmable reset
thresholds and auxiliary voltage detector
(AVD) with interrupt capability
鈥?Clock sources: crystal/ceramic resonator os-
cillators, internal RC oscillator, clock security
system and bypass for external clock
鈥?PLL for 2x frequency multiplication
鈥?Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
Interrupt Management
鈥?Nested interrupt controller
鈥?10 interrupt vectors plus TRAP and RESET
鈥?9/6 external interrupt lines (on 4 vectors)
Up to 32 I/O Ports
鈥?32/24 multifunctional bidirectional I/O lines
鈥?22/17 alternate function lines
鈥?12/10 high sink outputs
4 Timers
鈥?Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
鈥?Configurable watchdog timer
鈥?16-bit Timer A with: 1 input capture, 1 output
compare, external clock input, PWM and
pulse generator modes
鈥?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
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2 Communication Interfaces
鈥?SPI synchronous serial interface
鈥?SCI asynchronous serial interface (LIN com-
patible)
1 Analog Peripheral
鈥?10-bit ADC with up to 12 input pins
Instruction Set
鈥?8-bit Data Manipulation
鈥?63 Basic Instructions
鈥?17 main Addressing Modes
鈥?8 x 8 Unsigned Multiply Instruction
Development Tools
鈥?Full hardware/software development package
鈥?In-Circuit Testing capability
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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掳C to +125掳C
up to -40掳C to +125掳C
-40掳C to +85 掳C
SDIP42 (JxB), TQFP44 10x10 (JxT),SDIP32 (KxB), TQFP32 7x7 (KxT)
Rev. 1.9
August 2003
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