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| Part Number | ST72F321J9TCTR | 
| Datasheet | ST72F321J9TCTR datasheet | 
| Description | IC MCU 8BIT 60KB FLASH 44LQFP | 
| Manufacturer | STMicroelectronics | 
| Series | ST7 | 
| Part Status | Obsolete | 
| Core Processor | ST7 | 
| Core Size | 8-Bit | 
| Speed | 8MHz | 
| Connectivity | I²C, SCI, SPI | 
| Peripherals | LVD, POR, PWM, WDT | 
| Number of I/O | 32 | 
| Program Memory Size | 60KB (60K x 8) | 
| Program Memory Type | FLASH | 
| EEPROM Size | - | 
| RAM Size | 2K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 5.5V | 
| Data Converters | A/D 16x10b | 
| Oscillator Type | Internal | 
| Operating Temperature | -40°C ~ 125°C (TA) | 
| Package / Case | Surface Mount | 
| Supplier Device Package | 44-LQFP | 
| Base Part Number | - |