| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89C5122D-PSTUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-QFN | |
| AT89C5122D-RDVIM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5122D-RDRIM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5122D-RDRUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5122D-ALRUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5122D-Z1TUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-QFN | |
| AT89C5122DS-ALTUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| AT89C5122DS-RDTUM | ATMEL CORP | 80C51 | 8-Bit | 48MHz | SmartCard, SPI, UART/USART, USB | 46 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 3 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 64-LQFP | |
| R5F51111ADFK#30 | RENESAS ELECTRONICS CORP | RX | 32-Bit | 32MHz | I²C, SCI, SPI, USB OTG | 46 | 32KB (32K x 8) | FLASH | 8K x 8 | 10K x 8 | 1.8 V ~ 3.6 V | A/D 14x12b, D/A 2x8b | Internal | -40°C ~ 85°C | 64-LQFP | |
| R5F51111ADFM#30 | RENESAS ELECTRONICS CORP | RX | 32-Bit | 32MHz | I²C, SCI, SPI, USB OTG | 46 | 32KB (32K x 8) | FLASH | 8K x 8 | 10K x 8 | 1.8 V ~ 3.6 V | A/D 14x12b, D/A 2x8b | Internal | -40°C ~ 85°C | 64-LQFP |
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