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| PartNumber | N79E823ADG | N79E823ASG | N79E823ARG |
| Description | IC MCU 8BIT 4KB FLASH 20DIP | IC MCU 8BIT 4KB FLASH 20SOIC | IC MCU 8BIT 4KB FLASH 20SSOP |
| Manufacturer | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | N79 | N79 | N79 |
| Packaging | Tube | Tube | Tube |
| Package Case | 20-DIP (0.300", 7.62mm) | 20-SOIC (0.295", 7.50mm Width) | 20-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | * | * | * |
| Number of I O | 18 | 18 | 18 |
| Speed | 20MHz | 20MHz | 20MHz |
| EEPROM Size | 256 x 8 | 256 x 8 | 256 x 8 |
| Core Processor | 8051 | 8051 | 8051 |
| RAM Size | 256 x 8 | 256 x 8 | 256 x 8 |
| Program Memory Type | FLASH | FLASH | FLASH |
| Peripherals | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT |
| Connectivity | I2C, UART/USART | I2C, UART/USART | I2C, UART/USART |
| Voltage Supply Vcc Vdd | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V |
| Core Size | 8-Bit | 8-Bit | 8-Bit |
| Program Memory Size | 4KB (4K x 8) | 4KB (4K x 8) | 4KB (4K x 8) |
| Data Converters | A/D 4x10b | A/D 4x10b | A/D 4x10b |
| Oscillator Type | Internal | Internal | Internal |