| Part Number | AT91R40008-66AU | AT91R40008-66AI |
|---|---|---|
| Manufacturer | Atmel | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Obsolete |
| Core Processor | ARM7® | ARM7® |
| Core Size | 16/32-Bit | 16/32-Bit |
| Speed | 66MHz | 66MHz |
| Connectivity | EBI/EMI, UART/USART | EBI/EMI, UART/USART |
| Peripherals | POR, WDT | POR, WDT |
| Number of I/O | 32 | 32 |
| Program Memory Size | - | - |
| Program Memory Type | ROMless | ROMless |
| EEPROM Size | - | - |
| RAM Size | 256K x 8 | 256K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 1.95V | 1.65V ~ 1.95V |
| Data Converters | - | - |
| Oscillator Type | External | External |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 100-LQFP | 100-TQFP |
| Supplier Device Package | 100-LQFP (14x14) | 100-TQFP (14x14) |