ST72F321AR7T6
IC MCU 8BIT 48KB FLASH 64TQFP
Embedded Microcontrollers
64-TQFP
ST7
Obsolete
$7.12 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | ST72F321AR7T6 |
| Package / Case | 64-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | ST7 |
| Speed | 8MHz |
| Program Memory Size | 48KB (48K x 8) |
| RAM Size | 1.5K x 8 |
| Number of I/O | 48 |
| Data Converters | A/D 16x10b |
| Voltage - Supply | 3.8V ~ 5.5V |
| Connectivity | I²C, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
ST72F321AR7T6 by STMicroelectronics is a ST7 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 64-TQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 8MHz |
| RAM Size | 1.5K x 8 |
| Core Size | 8-Bit |
| Peripherals | LVD, POR, PWM, WDT |
| Connectivity | I²C, SCI, SPI |
| Number of I/O | 48 |
| Core Processor | ST7 |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Program Memory Size | 48KB (48K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 5.5V |
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