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| PartNumber | ST72F321BAR6TAE | ST72F321BAR6T6 | ST72F321B |
| Description | 8-bit Microcontrollers - MCU 8B MCU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 8-BIT MCU W/ 32-60K Flash/ROM ADC | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-64 | - | - |
| Series | ST72F321BAR6 | ST7 | - |
| Core | ST7 | ST7 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 8 MHz | 8 MHz | - |
| Program Memory Size | 32 kB | 32KB (32K x 8) | - |
| Data RAM Size | 1 kB | 1 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 48 I/O | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | - |
| Height | 1.4 mm | - | - |
| Length | 10 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | FLASH | - |
| Width | 10 mm | - | - |
| Brand | STMicroelectronics | - | - |
| Interface Type | I2C, SCI, SPI | I2C SCI SPI | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 16 | 16 | - |
| Number of Timers/Counters | 2 Timer | - | - |
| Processor Series | ST72F3x | ST72F3x | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 160 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 3.8 V | - | - |
| Unit Weight | 0.012088 oz | 0.012088 oz | - |
| Package Case | - | LQFP-64 | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | * | - |
| Number of I O | - | 48 | - |
| Speed | - | 8MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | 1K x 8 | - |
| Peripherals | - | LVD, POR, PWM, WDT | - |
| Connectivity | - | I2C, SCI, SPI | - |
| Voltage Supply Vcc Vdd | - | 3.8 V ~ 5.5 V | - |
| Core Size | - | 8-Bit | - |
| Data Converters | - | A/D 16x10b | - |
| Oscillator Type | - | Internal | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 3.8 V | - |
| Number of I Os | - | 48 I/O | - |
| Number of Timers Counters | - | 2 Timer | - |