| Type | Description | 
|---|---|
| Series: | AT91 | 
| Package: | Tape & Reel (TR)Cut Tape (CT)Cut Tape (CT) | 
| Part Status: | Active | 
| Core Processor: | ARM7® | 
| Core Size: | 16/32-Bit | 
| Speed: | 33MHz | 
| Connectivity: | EBI/EMI, SPI, UART/USART | 
| Peripherals: | POR, WDT | 
| Number of I/O: | 54 | 
| Program Memory Size: | - | 
| Program Memory Type: | ROMless | 
| EEPROM Size: | - | 
| RAM Size: | 8K x 8 | 
| Voltage - Supply (Vcc/Vdd): | 2.7V ~ 3.6V | 
| Data Converters: | - | 
| Oscillator Type: | External | 
| Operating Temperature: | -40°C ~ 85°C (TA) | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 144-LQFP | 
| Supplier Device Package: | 144-LQFP (20x20) | 
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