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參數(shù)資料
| 型號： | ST72321AR7T3/XXX |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, TQFP-64 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 95K |
| 代理商： | ST72321AR7T3/XXX |
Rev. 1.5
April 2002
1/11
This is preliminary information on a new product now in development. Details are subject to change without notice.
ST72321M/R/AR
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
FIVE TIMERS, SPI, SCI, I2C INTERFACE
DATA BRIEFING
s
Memories
– 32K to 60K dual voltage High Density Flash
(HDFlash) or ROM with read-out protection
capability. In-Application Programming and
In-Circuit Programming for HDFlash devices
– 1Kto 2KRAM
s
Clock, Reset And Supply Management
– Enhanced reset system
– Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator os-
cillators, internal or external RC oscillator,
clock security system and bypass for external
clock
– PLL for 2x frequency multiplication
– Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
s
Interrupt Management
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– TLI dedicated top level interrupt pin
– 15 external interrupt lines (on 4 vectors)
s
Up to 64 I/O Ports
– 48/64 multifunctional bidirectional I/O lines
– 34 alternate function lines
– 16 high sink outputs
s
5 Timers
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and pulse generator modes
– 8-bit PWM Auto-reload timer with: 2 input cap-
tures, 4 PWM outputs, output compare and
time base interrupt, external clock with event
detector
s
3 Communications Interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface (LIN com-
patible)
–I2C multimaster interface
s
1 Analog peripheral
– 10-bit ADC with 16 input pins
s
Instruction Set
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
– True Bit Manipulation
s
Development Tools
– Full hardware/software development package
– In-Circuit Testing capability
Device Summary
TQF P80
14 x 14
TQFP64
10 x 10
TQFP64
14 x 14
Features
ST72(F)321(M/R/AR)9
ST72(F)321(M/R/AR)7
ST72(F)321(R/AR)6
Program memory - bytes
60K
48K
32K
RAM (stack) - bytes
2048 (256)
1536 (256)
1024 (256)
Operating Voltage
3.8V to 5.5V
Temp. Range (ROM)
0
°Cto 70°C / -10°C to +85 °C / -40°C to +85 °C / -40°C to +105°C / -40°C to +125°C
Temp. Range (Flash)
-40
°C to +125°C
-40
°C to +85 °C/
Package
TQFP80 14x14 (M), TQFP64 14x14 (R), TQFP64 10x10 (AR)
TQFP64 14x14 (R), TQFP64 10x10 (AR)
1
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