ST72F321J ST Microelectronics, ST72F321J Datasheet

ST72F321J

Manufacturer Part Number

ST72F321J

Description

8-BIT MCU

Manufacturer

ST Microelectronics

Datasheet

1.ST72F321J.pdf (179 pages)

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Current page: 1 of 179
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DataSheet

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

Device Summary

July 2003

Program memory - bytes

RAM (stack) - bytes

Operating Voltage

Temp. Range (ROM)

Temp. Range (Flash)

Packages

Memories

– 48 to 60K dual voltage High Density Flash

– 1.5 to 2K bytes RAM

– HDFlash endurance: 100 cycles, data reten-

Clock, Reset And Supply Management

– Enhanced low voltage supervisor (LVD) for

– Clock sources: crystal/ceramic resonator os-

– PLL for 2x frequency multiplication

– Four Power Saving Modes: Halt, Active-Halt,

Interrupt Management

– Nested interrupt controller

– 10 interrupt vectors plus TRAP and RESET

– 9 external interrupt lines (on 4 vectors)

Up to 32 I/O Ports

– 32 multifunctional bidirectional I/O lines

– 22 alternate function lines

– 12 high sink outputs

5 Timers

– Main Clock Controller with: Real time base,

– Configurable watchdog timer

– 16-bit Timer A with: 1 input capture, 1 output

– 16-bit Timer B with: 2 input captures, 2 output

(HDFlash) or ROM with read-out protection

capability. In-Application Programming and

In-Circuit Programming for HDFlash devices

tion: 20 years at 55°C

main supply and auxiliary voltage detector

(AVD) with interrupt capability

cillators, internal or external RC oscillator,

clock security system and bypass for external

clock

Wait and Slow

Beep and Clock-out capabilities

compare, external clock input, PWM and

pulse generator modes

compares, PWM and pulse generator modes

Features

.com

up to -40°C to +125°C

ST72(F)321J9

www.DataSheet4U.com

2K (256)

60K

5 TIMERS, SPI, SCI, I

up to -40°C to +125°C

TQFP44 10x10 (JxT)

– 8-bit PWM Auto-reload timer with: 4 PWM out-

– SPI synchronous serial interface

– SCI asynchronous serial interface (LIN com-

– I

– 10-bit ADC with 12 input pins

– 8-bit Data Manipulation

– 63 Basic Instructions

– 17 main Addressing Modes

– 8 x 8 Unsigned Multiply Instruction

– Full hardware/software development package

– In-Circuit Testing capability

3 Communication Interfaces

1 Analog Peripheral

Instruction Set

Development Tools

3.8V to 5.5V

puts, output compare and time base interrupt,

external clock with event detector

patible)

C multimaster interface

TQFP44

10 x 10

ST72(F)321J7

-40°C to +85 °C

1536 (256)

C INTERFACE

48K

ST72321J

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