8-bit microcontroller featuring 60KB FLASH memory and 2KB RAM. Operates at up to 8MHz with an internal oscillator, offering 48 I/O pins. Supports I2C, SPI, and SCI interfaces, with integrated peripherals including POR, PWM, WDT, and LVD. Packaged in LQFP for surface mounting, with an operating voltage range of 3.8V to 5.5V and an operating temperature range of -40°C to 85°C.
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Stmicroelectronics ST72F321AR9T6TR technical specifications.
| Package/Case | LQFP |
| Data Bus Width | 8b |
| Frequency | 8MHz |
| Interface | I2C, SPI, SCI |
| Max Frequency | 8MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 500mW |
| Max Supply Voltage | 5.5V |
| Memory Size | 60KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 3.8V |
| Mount | Surface Mount |
| Number of I/Os | 48 |
| Number of Programmable I/O | 48 |
| Number of Timers/Counters | 2 |
| Operating Supply Voltage | 5V |
| Oscillator Type | Internal |
| Package Quantity | 1000 |
| Packaging | Tape and Reel |
| Peripherals | POR, PWM, WDT, LVD |
| Radiation Hardening | No |
| RAM Size | 2KB |
| Series | ST7 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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