| Part Number | AT89C1051U-12PC | AT89C1051U-12PI |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
|
|
|
| Product Status | Obsolete | Obsolete |
| Core Processor | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 12MHz | 12MHz |
| Connectivity | UART/USART | UART/USART |
| Peripherals | LED | LED |
| Number of I/O | 15 | 15 |
| Program Memory Size | 1KB (1K x 8) | 1KB (1K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 64 x 8 | 64 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 6V | 2.7V ~ 6V |
| Data Converters | - | - |
| Oscillator Type | Internal | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP | 20-PDIP |