| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89EB5114-TGSIL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | - | 11 | 4KB (4K x 8) | FLASH | 256 x 8 | 256 x 8 | 3 V ~ 3.6 V | A/D 6x10b | Internal | -40°C ~ 85°C | 20-SOIC (0.295, 7.50mm Width) | |
| AT89C5131A-S3SUL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 52-LCC (J-Lead) | |
| AT89C5131A-TISUL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 18 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 28-SOIC (0.295, 7.50mm Width) | |
| AT89C5131A-RDTUL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5131A-PLTIL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 48-VFQFN Exposed Pad | |
| AT89C5131A-RDTIL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5131-S3SIL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 52-LCC (J-Lead) | |
| AT89C5131-TISIL | ATMEL CORP | 80C51 | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 18 | 32KB (32K x 8) | FLASH | 4K x 8 | 1.25K x 8 | 3 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 28-SOIC (0.295, 7.50mm Width) | |
| AT91SAM7A1-AU | ATMEL CORP | ARM7 | 16/32-Bit | 40MHz | CAN, EBI/EMI, SPI, UART/USART | 49 | - | ROMless | - | 4K x 8 | 3 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C | 144-LQFP | |
| AT91SAM7A2-AU | ATMEL CORP | ARM7 | 16/32-Bit | 30MHz | CAN, EBI/EMI, SPI, UART/USART | 57 | - | ROMless | - | 16K x 8 | 3 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C | 176-LQFP |
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