| Base Part Number | AT91SAM7S128 |
| Connectivity | I |
| Core Processor | ARM7 |
| Core Size | 16/32-Bit |
| Data Converters | A/D 8x10b |
| EEPROM Size | - |
| Lead Free Status / RoHS Status | RoHS Compliant |
| Manufacturer Part Number | AT91SAM7S128D-MU-999 |
| Manufacturer Standard Lead Time | 13 Weeks |
| Mounting Type | Surface Mount |
| Number of I/O | 32 |
| Operating Temperature | -40 |
| Oscillator Type | Internal |
| Package / Case | 64-VFQFN Exposed Pad |
| Packaging | Reel |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 32K x 8 |
| Series | SAM7S |
| Speed | 55MHz |
| Standard Package | 3,500 |
| Supplier Device Package | 64-QFN (9x9) |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 1.95V |