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| PartNumber | AT91SAM7X128B-CU | AT91SAM7X128B-AU-999 | AT91SAM7X128B-AU |
| Description | ARM Microcontrollers - MCU 128kB Flash 32kB SRAM 55MHz 4 PWM | ARM Microcontrollers - MCU 128kB Flash 32kB SRAM 55MHz 4 PWM | IC MCU 32BIT 128KB FLASH 100LQFP |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | BGA-100 | LQFP-100 | - |
| Series | SAM7X/XC | SAM7X/XC | SAM7X |
| Core | ARM7TDMI | ARM7TDMI | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 55 MHz | 55 MHz | - |
| Program Memory Size | 128 kB | 128 kB | 128KB (128K x 8) |
| Data RAM Size | 32 kB | 32 kB | - |
| Operating Supply Voltage | 1.8 V | 1.8 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Program Memory Type | Flash | Flash | FLASH |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | CAN, I2S, JTAG, UASRT | CAN, I2S, JTAG, UASRT | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Number of Timers/Counters | 1 x 16 bit | 1 x 16 bit | - |
| Processor Series | AT91SAMx | AT91SAMx | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 260 | 1000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.95 V | 1.95 V | - |
| Supply Voltage Min | 1.65 V | 1.65 V | - |
| Packaging | - | Reel | Tray |
| Unit Weight | - | 0.046530 oz | - |
| Package Case | - | - | 100-LQFP |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 100-LQFP (14x14) |
| Number of I O | - | - | 62 |
| Speed | - | - | 55MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | - | 32K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | CAN, Ethernet, I2C, SPI, SSC, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.65 V ~ 1.95 V |
| Core Size | - | - | 16/32-Bit |
| Data Converters | - | - | A/D 8x10b |
| Oscillator Type | - | - | Internal |