ST72F321AR9TA The STMicroelectronics ST72F321AR9TA is an 8-bit microcontroller featuring 60KB of Flash memory and 2KB of RAM. It operates at 8MHz and includes multiple communication interfaces.
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ST72F321AR9TA

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ST72F321AR9TA is an 8-bit microcontroller featuring 60KB of Flash memory and 2KB of RAM. It operates at 8MHz and includes multiple communication interfaces.
✓ Total Stock: 2 pcs
$ Price Range: $6.40

ST72F321AR9TA Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2 pcs
2 pcs On Request 1 On Request On Request 12+ On Request On Request

ST72F321AR9TA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Voltage

ST72F321AR9TA Description

Short technical summary and product information.

The STMicroelectronics ST72F321AR9TA is an 8-bit microcontroller based on the ST7 core, designed for embedded applications. It offers 60KB of High Density Flash (HDFlash) program memory and 2KB of RAM, with a clock speed of up to 8MHz.

 

Key features include a 10-bit Analog-to-Digital Converter (ADC) with up to 16 input ports, and three communication interfaces: SPI, SCI (asynchronous serial), and I2C (multimaster).

 

This device supports various peripherals such as LVD (Low Voltage Detector), POR (Power-On Reset), PWM (Pulse Width Modulation), and WDT (Watchdog Timer). It operates within a voltage range of 3.8V to 5.5V and has an operating temperature range of -40°C to 85°C.

 

The ST72F321AR9TA is available in a 64-LQFP package and is designed for surface mounting.

ST72F321AR9TA Quick Information

Product Type: Microcontroller
Canonical Name: STMicroelectronics ST72F321AR9TA 8-bit Microcontroller
Subcategory: 8-bit

ST72F321AR9TA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ST72F321AR9TA Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

ST72F321AR9TA Features

  • 8-bit ST7 core microcontroller.
  • 60KB Flash program memory.
  • 2KB RAM size.
  • Integrated 10-bit ADC.
  • SPI, SCI, and I2C communication.

ST72F321AR9TA Applications

  • Embedded control systems.
  • Industrial automation.
  • Consumer electronics.
  • Data acquisition systems.

ST72F321AR9TA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the program memory size of the ST72F321AR9TA?

The program memory size is 60KB (60K x 8).

What type of program memory does the ST72F321AR9TA use?

It uses FLASH program memory.

How much RAM does the ST72F321AR9TA have?

The RAM size is 2K x 8.

What is the operating voltage range for the ST72F321AR9TA?

The operating voltage is between 3.8V and 5.5V.

What is the operating temperature range for this microcontroller?

The operating temperature range is -40°C to 85°C (TA).

What package type is the ST72F321AR9TA available in?

It is available in a 64-LQFP package.

What communication interfaces are supported by the ST72F321AR9TA?

It supports I2C, SCI, and SPI communication interfaces.

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