STMicroelectronics ST72F321AR9T3 Microcontroller, Microprocessor, FPGA Modules

Name: ST72F321AR9T3
Brand: STMicroelectronics
SKU: ST72F321AR9T3

IC MCU 8BIT 60KB FLASH 64LQFP

42,743STMicroelectronics64-LQFPRoHS

Same model may have multiple batches, images only for reference.

ST72F321AR9T3

Manufacturer

STMicroelectronics

Part Number (MPN)

ST72F321AR9T3

Technical Specifications

STMicroelectronics ST72F321AR9T3 Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

RAM Size

2K x 8

Package / Case

64-LQFP

Mounting Type

Surface Mount

Operating Temperature

-40°C ~ 125°C (TA)

Supply Voltage

3.8V ~ 5.5V

Peripherals

LVD, POR, PWM, WDT

Number of I/O

Speed

8MHz

Core Processor

ST7

Program Memory Type

Flash

Alternate Parts Comparison (ST72F321AR9T3 vs ST72F521R6TA vs STM32F405RGT6W vs STM32L100RBT6ATR)

Side-by-side technical parameter comparison of related primary models in this product family.

	This Part	Alternate Parts	Alternate Parts	Alternate Parts
	STMicroelectronicsST72F321AR9T3	STMicroelectronicsST72F521R6TA	STMicroelectronicsSTM32F405RGT6W	STMicroelectronicsSTM32L100RBT6ATR
Package / Case	64-LQFP	64-LQFP	64-LQFP	64-LQFP
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Supply Voltage	3.8V ~ 5.5V	3.8V ~ 5.5V	1.8V ~ 3.6V	1.8V ~ 3.6V
Core Processor	ST7	ST7	ARM® Cortex®-M4	ARM® Cortex®-M3
Core Size	8-Bit	8-Bit	32-Bit Single-Core	32-Bit Single-Core
RAM Size	2K x 8	1K x 8	192K x 8	16K x 8
Connectivity	I²C, SCI, SPI	CANbus, I²C, SCI, SPI	CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG	I²C, SPI, UART/USART, USB
Data Converters	A/D 16x10b SAR	A/D 16x10b	A/D 16x12b; D/A 2x12b	A/D 20x12b; D/A 2x12b
Oscillator Type	Internal	Internal	Internal	Internal
Peripherals	LVD, POR, PWM, WDT	LVD, POR, PWM, WDT	Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Program Memory Size	60KB (60K x 8)	32KB (32K x 8)	1MB (1M x 8)	128KB (128K x 8)
Program Memory Type	Flash	Flash	Flash	Flash
Action	RFQ	RFQ	RFQ	RFQ

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