| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADUC842BCPZ32-5 | ANALOG DEVICES INC | 8052 | 8-Bit | 16.78MHz | I²C, SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 4.75 V ~ 5.25 V | A/D 8x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 56-VFQFN Exposed Pad, CSP | |
| ADUC843BCP32Z-5 | ANALOG DEVICES INC | 8052 | 8-Bit | 16.78MHz | I²C, SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 4.75 V ~ 5.25 V | A/D 8x12b | Internal | -40°C ~ 85°C | 56-VFQFN Exposed Pad, CSP | |
| ADUC843BCPZ32-3 | ANALOG DEVICES INC | 8052 | 8-Bit | 8.38MHz | I²C, SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 56-VFQFN Exposed Pad, CSP | |
| ADUC842BCPZ32-3 | ANALOG DEVICES INC | 8052 | 8-Bit | 8.38MHz | I²C, SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 8x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 56-VFQFN Exposed Pad, CSP | |
| AT89C51RC-24JU | ATMEL CORP | 8051 | 8-Bit | 24MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| AT89C51RC-24AU | ATMEL CORP | 8051 | 8-Bit | 24MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-TQFP | |
| AT89C51RC2-RLTUL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT89C51RC2-SLSUL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| AT91SAM7S321-MU-999 | ATMEL CORP | ARM7 | 16/32-Bit | 55MHz | I²C, SPI, SSC, UART/USART, USB | 32 | 32KB (32K x 8) | FLASH | - | 8K x 8 | 1.65 V ~ 1.95 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| AT89C51RC2-SLRUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) |
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