32-bit ARM RISC microcontroller featuring 128KB FLASH memory and 32KB RAM. Operates at a maximum frequency of 55MHz with a supply voltage range of 1.65V to 3.6V. Includes extensive interfaces such as SPI, UART, I2C, USB, CAN, Ethernet, USART, and I2S. Equipped with 62 programmable I/Os, 8 ADC channels, 4 PWM channels, and 3 timers/counters. Packaged in a 100-pin LQFP with Tin, Matte contact plating for surface mounting.
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Microchip AT91SAM7X128B-AU technical specifications.
| Package/Case | LQFP |
| Contact Plating | Tin, Matte |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Density | 128KB |
| Frequency | 55MHz |
| Height | 1.45mm |
| Interface | SPI, UART, I2C, USB, CAN, Ethernet, USART, I2S |
| Length | 14mm |
| Max Frequency | 55MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of Ethernet Channels | 1 |
| Number of I/Os | 62 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 62 |
| Number of PWM Channels | 4 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 90 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA, LCD |
| Radiation Hardening | No |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | SAM7X |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 14mm |
| RoHS | Compliant |
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