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ST72F321R9TCTR

ST72F321R9TCTR

ST72F321R9TCTR

STMicroelectronics

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

SOT-23

ST72F321R9TCTR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 64-LQFP
Number of Pins 64
Operating Temperature-40°C~125°C TA
PackagingTape & Reel (TR)
Series ST7
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Max Operating Temperature125°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:4549 items

Pricing & Ordering

QuantityUnit PriceExt. Price

ST72F321R9TCTR Product Details

ST72F321R9TCTR Overview


In a 64-LQFP package, the MCU is available. 48 I/Os are available. The Microcontroller has a mounting type of Surface Mount, which indicates that it is mounted conveniently. The 8-Bit core is the core of the MCU. There is a FLASH type of memory for its program. There is a temperature range of -40°C~125°C TA that is operated by this Microcontroller. ST7 series components make up this electrical component. 60KB 60K x 8 is the size of its program memory. A ST7 Core processor is used to power the device. 60kB is the memory size of the part. The base part number ST72F32 can be used to find alternatives. The efficiency of this device can be improved when operating at a frequency of 8MHz. Located on the chip are 64 pins. The clock has 2 timers or counters on it. It has built-in FLASH memory. It programs in 48 Programmable I/O.

ST72F321R9TCTR Features


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


ST72F321R9TCTR Applications


There are a lot of STMicroelectronics
ST72F321R9TCTR Microcontroller applications.


  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products

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