ST72321B STMICROELECTRONICS [STMicroelectronics], ST72321B Datasheet

ST72321B

Manufacturer Part Number

ST72321B

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.ST72321B.pdf (187 pages)

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BOSTOCK HK LIMITED

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ST72321B-D/RAIS

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ST72321B/MUM

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Features

■

Table 1. Device Summary

April 2007

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

– 15/9 external interrupt lines (on 4 vectors)

Up to 48 I/O Ports

– 48/32/24 multifunctional bidirectional I/O lines

– 34/22/17 alternate function lines

– 16/12/10 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-

(HDFlash) or ROM with read-out protection

capability. In-Application Programming and

In-Circuit Programming for HDFlash devices

tion: 40 years at 85°C

main supply and auxiliary voltage detector

(AVD) with interrupt capability

cillators, internal RC oscillator 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

Features

64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC,

ST72(F)321B(AR/R/J)9

FLASH/ROM 60K

2048 (256)

LQFP64 10x10 (AR),LQFP64 14x14 (R), LQFP44 10x10 (J), LQFP32 7x7 (K)

five timers, SPI, SCI, I

ST72(F)321B(AR/R/J)7

up to -40°C to +125°C

■

FLASH/ROM 48K

3.8V to 5.5V

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

– SPI synchronous serial interface

– SCI asynchronous serial interface

– I

– 10-bit ADC with up to 16 robust 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 (low current coupling)

Instruction Set

Development Tools

1536 (256)

tures, 4 PWM outputs, output compare and

time base interrupt, external clock with event

detector

C multimaster interface

LQFP64

10 x 10

LQFP64

14 x 14

ST72(F)321B(AR/R/J/K)6

ST72321B

FLASH/ROM 32K

C interface

1024 (256)

LQFP32

LQFP44

7 x 7

10 x 10

Rev. 4

1/187

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