STMicroelectronics ST72F321BR9T3 Microcontroller, Microprocessor, FPGA Modules

Name: ST72F321BR9T3
Brand: STMicroelectronics
SKU: ST72F321BR9T3

IC MCU 8BIT 60KB FLASH 64LQFP

7,657STMicroelectronics64-LQFPRoHS

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

ST72F321BR9T3

Manufacturer

STMicroelectronics

Part Number (MPN)

ST72F321BR9T3

Technical Specifications

STMicroelectronics ST72F321BR9T3 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

Lifecycle Status

Obsolete

Peripherals

LVD, POR, PWM, WDT

Number of I/O

Speed

8MHz

Core Processor

ST7

Related Parts Comparison (ST72F321BR9T3 vs ST72F521R6TA vs STM32F405RGT6W vs STM32L100RBT6ATR)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

	This Part	Related Part	Related Part	Related Part
	STMicroelectronicsST72F321BR9T3	STMicroelectronicsST72F521R6TA	STMicroelectronicsSTM32F405RGT6W	STMicroelectronicsSTM32L100RBT6ATR
Package / Case	64-LQFP	64-LQFP	64-LQFP	64-LQFP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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
Lifecycle Status	Obsolete	Obsolete	Active	Active
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	A/D 16x10b	A/D 16x12b; D/A 2x12b	A/D 20x12b; D/A 2x12b
Number of I/O	48	48	51	51
Oscillator Type	Internal	Internal	Internal	Internal
Action	RFQ	RFQ	RFQ	RFQ

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

MC908GZ60MFUE NXP Semiconductors

NXP

IC MCU 8BIT 60KB FLASH 64QFP

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