ST72F321 STMICROELECTRONICS [STMicroelectronics], ST72F321 Datasheet

ST72F321

Manufacturer Part Number

ST72F321

Description

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.ST72F321.pdf (189 pages)

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Device Summary

October 2004

Program memory - bytes

RAM (stack) - bytes

Operating Voltage

Temp. Range

Package

Memories

– 32K to 60K dual voltage High Density Flash

– 1K to 2K 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

– 14 interrupt vectors plus TRAP and RESET

– Top Level Interrupt (TLI) pin on 64-pin devices

– 15 external interrupt lines (on 4 vectors)

Up to 48 I/O Ports

– 48/32 multifunctional bidirectional I/O lines

– 34/22 alternate function lines

– 16/12 high sink outputs

5 Timers

– Main Clock Controller with: Real time base,

– Configurable watchdog timer

– Two 16-bit timers with: 2 input captures, 2 out-

– 8-bit PWM Auto-reload timer with: 2 input cap-

(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 RC oscillator, clock security

system and bypass for external clock

Wait and Slow

Beep and Clock-out capabilities

put compares, external clock input on one tim-

er, PWM and pulse generator modes

tures, 4 PWM outputs, output compare and

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,

Features

ST72F321

(R/AR/J)9

2048 (256)

Flash 60K

FIVE TIMERS, SPI, SCI, I

ST72F321

(R/AR/J)7

1536 (256)

Flash 48K

TQFP64 14x14 (R), TQFP64 10x10 (AR), TQFP44 10x10 (J)

ST72F321

1024 (256)

Flash 32K

(R/AR)6

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up to -40°C to +125°C

– SPI synchronous serial interface

– SCI asynchronous serial interface

– I

– 10-bit ADC with up to 16 input ports

– 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 Communications Interfaces

1 Analog peripheral

Instruction Set

Development Tools

time base interrupt, external clock with event

detector

3.8V to 5.5V

C multimaster interface

TQFP64

10 x 10

(R/AR/J)9

2048 (256)

ST72321

ROM 60K

TQFP64

14 x 14

(R/AR/J)7

1536 (256)

ST72321

ROM 48K

C INTERFACE

ST72321

TQFP44

10 x 10

1024 (256)

ST72321

ROM 32K

(R/AR)6

Rev. 1.10

1/189

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