| Core Processor | 8051 |
|---|---|
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | UART/USART |
| Peripherals | WDT |
| Number of I /O | 32 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 256 x 8 |
| Voltage – Supply (Vcc/Vdd) | 4 V ~ 5.5 V |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 44-TQFP |
| Dynamic Catalog | 89C/89S/89LS |
| Other Names | AT89S5224AU |