| Part Number | AT80C51SND1C-ROTUL | AT80C51SND1C-ROTIL |
|---|---|---|
| Manufacturer | Atmel | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Obsolete |
| Core Processor | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 40MHz | 40MHz |
| Connectivity | I²C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB | I²C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB |
| Peripherals | Audio, I²S, MP3, PCM, POR, WDT | Audio, I²S, MP3, PCM, POR, WDT |
| Number of I/O | 44 | 44 |
| Program Memory Size | - | - |
| Program Memory Type | ROMless | ROMless |
| EEPROM Size | - | - |
| RAM Size | 2.25K x 8 | 2.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.3V | 2.7V ~ 3.3V |
| Data Converters | A/D 2x10b | A/D 2x10b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 80-LQFP | 80-LQFP |
| Supplier Device Package | 80-TQFP (14x14) | 80-TQFP (14x14) |