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ST72324

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,

4 TIMERS, SPI, SCI INTERFACE

s

s

s

s

s

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擄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

s

s

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

s

s

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擄C to +125擄C

up to -40擄C to +125擄C

-40擄C to +85 擄C

SDIP42 (JxB), TQFP44 10x10 (JxT),SDIP32 (KxB), TQFP32 7x7 (KxT)

Rev. 1.9

August 2003

1/161

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