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ST72F321AR9T6TR

ST72F321AR9T6TR

ST72F321AR9T6TR

STMicroelectronics

60KB 60K x 8 FLASH ST7 8-Bit Microcontroller ST7 Series ST72F32 64 Pin 8MHz 64-LQFP

SOT-23

ST72F321AR9T6TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 14 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-LQFP
Number of Pins 64
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series ST7
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Max Power Dissipation500mW
Frequency 8MHz
Base Part Number ST72F32
Operating Supply Voltage5V
Interface I2C, SCI, SPI
Max Supply Voltage5.5V
Min Supply Voltage3.8V
Memory Size60kB
Oscillator TypeInternal
Number of I/O 48
Speed 8MHz
RAM Size 2K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 3.8V~5.5V
Core Processor ST7
Peripherals LVD, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 60KB 60K x 8
Connectivity I2C, SCI, SPI
Data Converter A/D 16x10b
Watchdog TimerYes
Data Bus Width 8b
Number of Timers/Counters 2
Max Frequency 8MHz
Number of Programmable I/O 48
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:673 items

Pricing & Ordering

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ST72F321AR9T6TR Product Details

ST72F321AR9T6TR Overview


The package has a 64-LQFP shape. With 48 I/Os, it's pretty good. The Microcontroller's mounting type is Surface Mount and this IC chip has the following features. As the name implies, this Microcontroller is based on the 8-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~85°C TA range are measured by this Microcontroller. The ST7 series is comprised of this electrical component. The electronic part has a program memory size of 60KB 60K x 8. There's a ST7 Core Processor inside. Its memory size is 60kB. It is possible to find alternatives to the base part number ST72F32 by using the part number search tool. An effective performance can be achieved at a frequency of 8MHz. It is possible to access the 64 pins on the chip. In total, it has 2 timers and counters in it. The equipment on this page features FLASH memory technology. As far as the programmability is concerned, it has 48 Programmable I/Os.

ST72F321AR9T6TR Features


64-LQFP package
Mounting type of Surface Mount
Minimum temperature of -40°C


ST72F321AR9T6TR Applications


There are a lot of STMicroelectronics
ST72F321AR9T6TR Microcontroller applications.


  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens

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