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| Part Number | AT91RM3400-AU-002 |
| Datasheet | AT91RM3400-AU-002 datasheet |
| Description | IC MCU 32BIT 256KB ROM 100LQFP |
| Manufacturer | Microchip Technology |
| Series | AT91 |
| Part Status | Obsolete |
| Core Processor | ARM7TDMI |
| Core Size | 16/32-Bit |
| Speed | 66MHz |
| Connectivity | I²C, MMC, SPI, SSC, UART/USART, USB |
| Peripherals | WDT |
| Number of I/O | 63 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | ROM |
| EEPROM Size | - |
| RAM Size | 96K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 1.95V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 100-LQFP |
| Base Part Number | 100-LQFP (14x14) |