參數(shù)資料
型號(hào)： ST72321J9
廠商： 意法半導(dǎo)體
英文描述： 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 5 TIMERS, SPI, SCI, I2C INTERFACE
中文描述： 8位嵌套中斷，閃存，10位ADC，5定時(shí)器，SPI和SCI的I2C接口單片機(jī)
文件頁(yè)數(shù)： 1/179頁(yè)
文件大小： 2206K
代理商： ST72321J9
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Rev. 1.8
July 2003
1/179
ST72321J
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
5 TIMERS, SPI, SCI, I
2
C INTERFACE
I
Memories
– 48 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
– 1.5 to 2K bytes RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 20 years at 55°C
I
Clock, Reset And Supply Management
– 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
I
Interrupt Management
– Nested interrupt controller
– 10 interrupt vectors plus TRAP and RESET
– 9 external interrupt lines (on 4 vectors)
I
Up to 32 I/O Ports
– 32 multifunctional bidirectional I/O lines
– 22 alternate function lines
– 12 high sink outputs
I
5 Timers
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– 16-bit Timer A with: 1 input capture, 1 output
compare, external clock input, PWM and
pulse generator modes
– 16-bit Timer B with: 2 input captures, 2 output
compares, PWM and pulse generator modes
– 8-bit PWM Auto-reload timer with: 4 PWM out-
puts, output compare and time base interrupt,
external clock with event detector
I
3 Communication Interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface (LIN com-
patible)
– I
2
C multimaster interface
I
1 Analog Peripheral
– 10-bit ADC with 12 input pins
I
Instruction Set
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
I
Development Tools
– Full hardware/software development package
– In-Circuit Testing capability
Device Summary
Features
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range (ROM)
Temp. Range (Flash)
Packages
TQFP44
10 x 10
ST72(F)321J9
60K
2K (256)
ST72(F)321J7
48K
1536 (256)
3.8V to 5.5V
up to -
40°C to +125°C
up to -40°C to +125°C
-40°C to +85 °C
TQFP44 10x10 (JxT)
1
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ST72321J9T1 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE
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