| 44-TQFP (10x10) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-TQFP | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-TQFP (10x10) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-TQFP | External | 8051 | 72 KB | 70 °C | 0 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 70 °C | 0 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 70 °C | 0 °C |
| 44-TQFP (10x10) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-TQFP | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-TQFP (10x10) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-TQFP | External | 8051 | 72 KB | 85 °C | -40 °C |
| 44-PLCC (16.59x16.59) | 5.5 V | 4.5 V | 1 K | FLASH | 40 MHz | 36 | 8-Bit | Surface Mount | EBI/EMI, SPI, UART/USART | 44-LCC (J-Lead) | External | 8051 | 72 KB | 85 °C | -40 °C |