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| Part Number | AT91SAM7L128-AU | AT91SAM7L128-CU | AT91SAM7X128-AU |
|---|---|---|---|
| Manufacturer | Microchip Technology | Atmel | Microchip Technology |
| Product Status | Obsolete | Obsolete | Obsolete |
| Core Processor | ARM7® | ARM7® | ARM7® |
| Core Size | 16/32-Bit | 16/32-Bit | 16/32-Bit |
| Speed | 36MHz | 36MHz | 55MHz |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, LCD, POR, PWM, WDT | Brown-out Detect/Reset, LCD, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 80 | 80 | 62 |
| Program Memory Size | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | - | - | - |
| RAM Size | 6K x 8 | 6K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.55V ~ 1.8V | 1.55V ~ 1.8V | 1.65V ~ 1.95V |
| Data Converters | A/D 4x10b | A/D 4x10b | A/D 8x10b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 128-LQFP | 144-LFBGA | 100-LQFP |
| Supplier Device Package | 128-LQFP (20x14) | 144-BGA (13x13) | 100-LQFP (14x14) |
