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| Part Number | AT91SAM7SE256-CU-999 |
| Datasheet | AT91SAM7SE256-CU-999 datasheet |
| Description | IC MCU 32BIT 256KB FLASH 144BGA |
| Manufacturer | Microchip Technology |
| Series | SAM7SE |
| Part Status | Obsolete |
| Core Processor | ARM7® |
| Core Size | 16/32-Bit |
| Speed | 55MHz |
| Connectivity | EBI/EMI, I²C, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 88 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K 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) |
| Package / Case | Surface Mount |
| Supplier Device Package | 144-LFBGA |
| Base Part Number | 144-BGA (13x13) |