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See Product Specifications
| Part Number: | AT91SAM7S321-MU-999 |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Embedded - Microcontrollers |
| Manufacturer: | Microchip Technology |
| Packaging: | Tape & Reel (TR) |
| Product Status: | Obsolete |
| Core Processor: | ARM7® |
| Core Size: | 16/32-Bit |
| Speed: | 55MHz |
| Connectivity: | I²C, SPI, SSC, UART/USART, USB |
| Peripherals: | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O: | 32 |
| Program Memory Size: | 32KB (32K x 8) |
| Program Memory Type: | FLASH |
| EEPROM Size: | - |
| RAM Size: | 8K x 8 |
| Voltage - Supply (Vcc/Vdd): | 1.65V ~ 1.95V |
| Data Converters: | A/D 8x10b |
| Oscillator Type: | Internal |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 64-VFQFN Exposed Pad |
| Supplier Device Package: | 64-QFN (9x9) |
